Re: Tutorial on JSP
The big tutorial "Servlet Essentials": www.novocode.com/doc/servlet-essentials/ Other tutorials you can find at www.servlets.com - Original Message - From: Ashesh Kumar Singh <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 7:45 AM Subject: Tutorial on JSP > Hi All, > Can anyone help me by suggesting me the name of some site where I can get > Tutorials on JSP. Actually there is no book available in the market on JSP > here. > > Expecting some help on the matter soon, > > Ashesh. > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: and does not work. Please help.
Try :
Best regards,
Dorin.
-Original Message-
From: A mailing list about Java Server Pages specification and reference
[mailto:[EMAIL PROTECTED]]On Behalf Of Luong, Dat
Sent: Tuesday, May 16, 2000 10:15 PM
To: [EMAIL PROTECTED]
Subject: Re: and does not work. Please help.
Hi Kevin,
Thanks for your response. I need to pass the parameter into
the IncludedPage that's why I use the way I posted in the question
unless you have the other way to pass the parameter into the IncludedPage.
The question is posted again here for reference.
*includingPage.jsp
*
*includedPage.jsp
*
parentPage:<%=request.getParameter("parentPage") %> // create syntax
error
parentPage:<% request.getParameter("parentPage") %> // syntax ok but
doesnot work
thanks
-Original Message-
From: Kevin Cowan [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 16, 2000 1:28 PM
To: [EMAIL PROTECTED]
Subject: Re: and does not work. Please help.
all your jsp include needs is a / and not the end tag, like so:
This code will include your page.
-Original Message-
From: Luong, Dat [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 16, 2000 12:54 PM
To: [EMAIL PROTECTED]
Subject: and does not work. Please help.
Hi
I'm using JSP version 1.0 on VisualAge for Java and I can not get the
following code working. Any hint will be highly appreciated.
*includingPage.jsp
*
*includedPage.jsp
*
parentPage:<%=request.getParameter("parentPage") %> // create syntax
error
parentPage:<% request.getParameter("parentPage") %> // syntax ok but
doesnot work
thanks
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Re: CHECK-BOX
I don't like the way checkboxes work either.
In most cases I put the real value (0 or 1) in a hidden field and use the
onclick event of the checkbox to change the value of the hidden field. See
what I mean?
Geert 'Darling' Van Damme
> -Original Message-
> From: A mailing list about Java Server Pages specification and reference
> [mailto:[EMAIL PROTECTED]]On Behalf Of Pillai, Arumugam
> Sent: dinsdag 16 mei 2000 22:55
> To: [EMAIL PROTECTED]
> Subject: CHECK-BOX
>
>
> Hi there,
>
> When i call
>
> request.getParameterValues("chkbox")
> and if no chkbox is selected, its throwing a
> java.lang.NullPointerException
> error.How should i handle this.
> Thanks in advance.
>
> ==
> =
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
>
===
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http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Error in starting TOMCAT
While starting TOMCAT i am getting error on HttpConnectionHandler class ? How can i come out of this problem. Please Help. Nitin === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Internationalized iPlanet
hi all, i am working with Oracle7 database configured in spanish with JSWDK i can insert and get special characters ... no problem with iPlanet Web Server 4.1 i can get, but insert is wrong it insert "¿" character any idea (any environment variable?) thanks regards -- Antonio Jimenez === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Problem loading a Java class
I have put the class in Tomcat's CLASSPATH. But I am not getting a different
type of error now (listed below). I don't get this error when calling the
class from command prompt. Is there something I am missing out?
Error
===
Internal Servlet Error:
javax.servlet.ServletException:
at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
l.java:386)
at
_0002findex_0002ejspindex_jsp_92._jspService(_0002findex_0002ejspindex_jsp_9
2.java:358)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
va:174)
at
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java,
Compiled Code)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java,
Compiled Code)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
at
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
(Ajp12ConnectionHandler.java:156)
at
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java,
Compiled Code)
at java.lang.Thread.run(Thread.java:479)
Root cause:
java.lang.NullPointerException:
at
_0002findex_0002ejspindex_jsp_92._jspService(_0002findex_0002ejspindex_jsp_9
2.java:103)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
va:174)
at
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java,
Compiled Code)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java,
Compiled Code)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
at
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
(Ajp12ConnectionHandler.java:156)
at
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java,
Compiled Code)
at java.lang.Thread.run(Thread.java:479)
End error
> -Original Message-
> From: Donald Vandenbeld [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, May 16, 2000 9:58 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Problem loading a Java class
>
> Make sure that the CheckUser.class file is in Tomcat's CLASSPATH.
>
> Joseph Okomba wrote:
>
> > Help please. I am new to JSP and Tomcat.
> >
> > I have written a Java class which compiles and runs properly from the
> > command prompt, but gives errors when I try to load it in a JSP file.
> This
> > is how I am loading the class:
> >
> > <%@ page session="true" %>
> > <%@ page language="java" import="java.io.*" %>
> >
> > <%
> > boolean permit = false;
> > String strUserid = request.getParameter("userid");
> > String strPasswd = request.getParameter("passwd");
> >
> > if ((strUserid.equals("")) || (strPasswd.equals(""))){
> > permit = false;
> > } else {
> >
> > permit = checkUser.authenticate(strUserid, strPasswd);
> >
> > } //end-else
> >
> > if(!permit){ // the user has permission
> > %>
> >
> > <%
> > } //end if
> > else {
> > %>
> >
> > And the following is the error I am getting:
> >
> > Internal Servlet Error:
> > org.apache.jasper.JasperException: Unable to compile class for
> >
> JSPE:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspind
> ex
> > _jsp_92.java:74: Class CheckUser not found.
> > CheckUser checkUser = null;
> > ^
> >
> E:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex_
> js
> > p_92.java:77: Class CheckUser not found.
> > checkUser= (CheckUser)
> > ^
> >
> E:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex_
> js
> > p_92.java:82: Class CheckUser not found.
> > checkUser = (CheckUser)
> > Beans.instantiate(getClassLoader(), "CheckUser");
> > ^
> > 3 errors
> >
> > I will appreciate any assistance.
> >
> >
> ==
> =
> > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> >
rbponnam@quantumgsdc.co.in
Raveendra Ponnam ph: 3110911-3 ext:21(off) "[EMAIL PROTECTED]" === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Tutorial on JSP
Thanks Balaji !! Ashesh -Original Message- From: Rangan Balaji [SMTP:[EMAIL PROTECTED]] Sent: Wednesday, May 17, 2000 10:37 AM To: [EMAIL PROTECTED] Subject:Re: Tutorial on JSP Hi Ashesh, Check out the links given at the bottom of the mail , they give u a good idea on JSP. However Some important links are:- Java Server Pages (JSP) http://java.sun.com/products/jsp/ http://java.sun.com/products/jsp/docs.html http://www.sunworld.com/sunworldonline/swol-08-1998/swol-08-asp.html http://www.javaworld.com/javaworld/jw-03-2000/jw-03-ssj-jsp.html http://www.gamelan.com/journal/techworkshop/092199_jsp1.html http://www.gamelan.com/journal/techworkshop/092899_jsp2.html http://www7.software.ibm.com/vad.nsf/data/document2389?OpenDocument http://www.apl.jhu.edu/~hall/java/Servlet-Tutorial/ http://www.browsebooks.com/Fields/ http://java.sun.com/products/jsp/jsp-asp.html http://java.sun.com/products/jsp/technical.html http://java.sun.com/products/jsp/faq.html http://www.serverpages.com/Java_Server_Pages/ http://www.jsptutorial.com/ http://www.servletcentral.com/1998-12/jsp.dchtml http://csclub2.stthomas.edu:8080/mfcatlin/tutorial/files/read.html http://csclub2.stthomas.edu:8080/mfcatlin/tutorial/jdbc/index.html http://java.sun.com/products/jsp/html/jspbasics.fm3.html http://www.interpasnet.com/JSS/ http://developer.java.sun.com/developer/onlineTraining/J2EE/Intro/ http://www.javaworld.com/javaworld/jw-03-2000/jw-0331-ssj-forms.html http://www.javaworld.com/javaworld/jw-03-2000/jw-0331-ssj-jspxml.html http://www.javaworld.com/javaworld/jw-12-1999/jw-12-ssj-jspmvc.html http://www.taglib.com/ http://jakarta.apache.org/taglibs/ http://jsptags.com/ http://www.devx.com/upload/free/features/javapro/2000/04apr00/te0004/te0004- 1.asp Balaji.B.Rangan Message History From: [EMAIL PROTECTED] on 05/17/2000 03:45 AM GMT Please respond to [EMAIL PROTECTED] To: [EMAIL PROTECTED] cc: Subject: Tutorial on JSP Hi All, Can anyone help me by suggesting me the name of some site where I can get Tutorials on JSP. Actually there is no book available in the market on JSP here. Expecting some help on the matter soon, Ashesh. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: JSPs and XML.
I would like to know if a JSP app emits XML what component of existing application servers can translate that to whatever presentation language is prefered? I want to understand how XSLT fits into a JSP app's architecture. - Original Message - From: "Shawn McKisson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, May 16, 2000 9:15 PM Subject: Re: JSPs and XML. > Just return XML tags instead of only HTML tags. > There is nothing special that needs to be done. > > If you are going to just turn around and reprocess the XML into HTML using > something like XSL, then you are basically needlessly supporting two > presentation layers. You should reconsider your app architecture. > > --shawn > > - Original Message - > From: Bilal Ali Nawaz <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, May 16, 2000 1:36 AM > Subject: JSPs and XML. > > > > hi all, > > can anyone please direct me to some useful resources on the web concerning > how > > to output XML through a JSP? basically what i want to study is that can > XML be > > 'thrown' by a jsp just like HTML? and if so, how?? > > > > thanking all of you in advance, > > bilal. > > _ > > > > Disclaimer: > > > > "This message is confidential. It may also be privileged or otherwise > protected > > by legal rules. If you have received it by mistake please let us know by > reply > > and then delete it from your system." > > > > > === > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > JSP-INTEREST". > > Some relevant FAQs on JSP/Servlets can be found at: > > > > http://java.sun.com/products/jsp/faq.html > > http://www.esperanto.org.nz/jsp/jspfaq.html > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > > > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Errorpage directive and Tomcat
Hi all, I have a problem with my JSPs when I am using Tomcat with Apache. I get following error while accessing my JSPs. These JSPs work fine with Apache-Jserv. org.apache.jasper.JasperException: Page directive: can't have multiple occurrences of errorPage Actually the page doesn't have errorpage directive in it and still it is giving such an error, can anybody please help me ? Thanks, Mugdha Get free email and a permanent address at http://www.netaddress.com/?N=1 === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Errorpage directive and Tomcat
Any includes in this page? - Original Message - From: "Mugdha Kulkarni" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 3:13 AM Subject: Errorpage directive and Tomcat > Hi all, > I have a problem with my JSPs when I am using Tomcat with Apache. > I get following error while accessing my JSPs. These JSPs work fine with > Apache-Jserv. > > org.apache.jasper.JasperException: Page directive: can't have multiple > occurrences of errorPage > > Actually the page doesn't have errorpage directive in it and still it is > giving such an error, can anybody please help me ? > > Thanks, > Mugdha > > > > Get free email and a permanent address at http://www.netaddress.com/?N=1 > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Errorpage directive and Tomcat
Hi I am new to jsp. please send me some material that help me . Sattar - Original Message - From: Mugdha Kulkarni <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 3:13 PM Subject: Errorpage directive and Tomcat >Hi all, >I have a problem with my JSPs when I am using Tomcat with Apache. >I get following error while accessing my JSPs. These JSPs work fine with >Apache-Jserv. > >org.apache.jasper.JasperException: Page directive: can't have multiple >occurrences of errorPage > >Actually the page doesn't have errorpage directive in it and still it is >giving such an error, can anybody please help me ? > >Thanks, >Mugdha > > > >Get free email and a permanent address at http://www.netaddress.com/?N=1 > >=== >To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". >Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: [Re: Errorpage directive and Tomcat]
In fact I am getting the same problem in each of my JSPs. Even if it has Errorpage directive or it doesn't have or it really does have multiple errorpages directives. I have checked for all the includes so that there are not multiple occurences of errorpage directive because of them. Still the problem persists.. Mugdha Robert Nicholson <[EMAIL PROTECTED]> wrote: Any includes in this page? - Original Message - From: "Mugdha Kulkarni" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 3:13 AM Subject: Errorpage directive and Tomcat > Hi all, > I have a problem with my JSPs when I am using Tomcat with Apache. > I get following error while accessing my JSPs. These JSPs work fine with > Apache-Jserv. > > org.apache.jasper.JasperException: Page directive: can't have multiple > occurrences of errorPage > > Actually the page doesn't have errorpage directive in it and still it is > giving such an error, can anybody please help me ? > > Thanks, > Mugdha > > > > Get free email and a permanent address at http://www.netaddress.com/?N=1 > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets Get free email and a permanent address at http://www.netaddress.com/?N=1 === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Using EJB or JavaBeans ( MCV architecture )
I would not use EJBs unless your application warrants it. If your team is green and you are on a very tight schedule I would not try to use EJBs. They add a whole new level of complexity and if you do not design your EJB implementation correctly you will have performance issues to deal with. The advantages of using EJB's are scalability since your EJB's can run on servers other than your webserver and can service multiple webservers. You also can have more than one EJB server that support multi-server transactions. Disadvantages are added complexity, all calls to EJB's are remote even if your EJB server is on the same machine, even calls from one EJB to another is remote. For significant applications you will have poor performance unless you control the way your EJB's are accessed. There are a number of design patterns for doing this. One common fallacy is to just make all your domain objects EJB's. This is what we all want to do but it results in a unreliable (since everything is remote) and poor performing system. It may sound like I don't like EJB's but that is not true. I think they are a great idea but I'm just warning that there are many complex issues involved in implementing a successful application using EJBs. Kent - Original Message - From: Tom Gordon <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, May 16, 2000 2:37 PM Subject: Re: Using EJB or JavaBeans ( MCV architecture ) > Hi, I am also pondering whether to use EJB in conjunction with JSP and > servlets. Did you ever get an answer to this question? > > Thanks, > Tom > > > "Bragg, James" wrote: > > > > What is the advantage of using EJB over JavaBeans (as the Model) in an web > > based application in which JSP will be used for Presentation(View), and > > Serlvets as the Controller. > > > > If I wasn't using Servlets as the Controller, I could seen the need for EJBs > > over JavaBeans for Security, Transaction Management and Session control... > > > > Problem is that I have a very small, very green(new to these technologies) > > develpment team trying to learn and develop this application in a very short > > timeframe. So the issue is do we include EJB and increase risk of missing > > target date, or settle for JavaBeans and reduce the capabilies of the web > > app. > > > > What is Advantage of using EJB over JavaBeans when used as the Model? > > > > thanks.. > > > > James > > > > === > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > > Some relevant FAQs on JSP/Servlets can be found at: > > > > http://java.sun.com/products/jsp/faq.html > > http://www.esperanto.org.nz/jsp/jspfaq.html > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: [Re: Errorpage directive and Tomcat]-- Solved the problem
Ya the problem was really with includes. Thanks a lot ! Mugdha Robert Nicholson <[EMAIL PROTECTED]> wrote: Any includes in this page? - Original Message - From: "Mugdha Kulkarni" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 3:13 AM Subject: Errorpage directive and Tomcat > Hi all, > I have a problem with my JSPs when I am using Tomcat with Apache. > I get following error while accessing my JSPs. These JSPs work fine with > Apache-Jserv. > > org.apache.jasper.JasperException: Page directive: can't have multiple > occurrences of errorPage > > Actually the page doesn't have errorpage directive in it and still it is > giving such an error, can anybody please help me ? > > Thanks, > Mugdha > > > > Get free email and a permanent address at http://www.netaddress.com/?N=1 > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets Get free email and a permanent address at http://www.netaddress.com/?N=1 === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: How can I arrange a JSP document to print on paper ?
You want to use style sheet for this, for example you can do page break using Some Content Take a look at this link: http://www.webreview.com/pub/2000/01/07/style/nov99.html Christian > -Original Message- > From: A mailing list about Java Server Pages specification and reference > [mailto:[EMAIL PROTECTED]]On Behalf Of HASAN BASRI AKIRMAK > Sent: Tuesday, May 16, 2000 3:32 PM > To: [EMAIL PROTECTED] > Subject: How can I arrange a JSP document to print on paper ? > > > Hello, > I know, this may be a little weird question but, in our IS application, we > are generating database reports using JSP + beans (outputs are in > HTML). And > the customer likes us to make some basic arrangements on output, like > printing every people's output on a seperate A4 paper, or > providing the sum > of a colon at the end of the page. > > My question is is there any trick that we can use to arrange a report's > certain rows to print in a paper (Any page break hints maybe ? ) ? > > Thanx for any help in advance ... > > -- > HBA > [EMAIL PROTECTED] > > == > = > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: JSPs and XML.
Why would you want to take data, convert it into another form of data and *then* convert it into HTML? This is like pouring yourself a cold beer by first pouring it from the bottle into one mug, then pouring that mug into another mug. If a you have a JSP page which does emit XML, you could chain the output of that page through another servlet which performed the XML/XSL conversion. So the XML/XSL servlet would use the JSP page as a data source. There were some really good articles about 7-12 months ago on XML-INTEREST about this. If I can find them I will mail them to you. --shawn - Original Message - From: Robert Nicholson <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 5:10 AM Subject: Re: JSPs and XML. > I would like to know if a JSP app emits XML what component of existing > application servers can translate that to whatever presentation language is > prefered? I want to understand how XSLT fits into a JSP app's architecture. > > - Original Message - > From: "Shawn McKisson" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, May 16, 2000 9:15 PM > Subject: Re: JSPs and XML. > > > > Just return XML tags instead of only HTML tags. > > There is nothing special that needs to be done. > > > > If you are going to just turn around and reprocess the XML into HTML using > > something like XSL, then you are basically needlessly supporting two > > presentation layers. You should reconsider your app architecture. > > > > --shawn > > > > - Original Message - > > From: Bilal Ali Nawaz <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Tuesday, May 16, 2000 1:36 AM > > Subject: JSPs and XML. > > > > > > > hi all, > > > can anyone please direct me to some useful resources on the web > concerning > > how > > > to output XML through a JSP? basically what i want to study is that can > > XML be > > > 'thrown' by a jsp just like HTML? and if so, how?? > > > > > > thanking all of you in advance, > > > bilal. > > > > _ > > > > > > Disclaimer: > > > > > > "This message is confidential. It may also be privileged or otherwise > > protected > > > by legal rules. If you have received it by mistake please let us know > by > > reply > > > and then delete it from your system." > > > > > > > > > === > > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > > JSP-INTEREST". > > > Some relevant FAQs on JSP/Servlets can be found at: > > > > > > http://java.sun.com/products/jsp/faq.html > > > http://www.esperanto.org.nz/jsp/jspfaq.html > > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > > > > > > > > === > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > JSP-INTEREST". > > Some relevant FAQs on JSP/Servlets can be found at: > > > > http://java.sun.com/products/jsp/faq.html > > http://www.esperanto.org.nz/jsp/jspfaq.html > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > > > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
A GOOD DEVELOPMENT ENVIRONMENT
Hi, I'm looking for a good IDE Dev tool to develop JSP and EJB Applications, so far I've seen JBuilder and Visual Age. Can anyone recommend any others or the ones above? Regards, Mark Lamport mailto:[EMAIL PROTECTED] === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
JavaBeans Compile?
Ok I am starting to use JavaBeans with JSP pages. I've never made a 'bean' before and I was wondering how to do it. When I try to recompile the code to a bean I dont get errors (using normal javac 'filename') but when the jsp pages comes up it has errors. The code isnt messed up because I am using the code for an example that works. Is compiling a bean different than compiling normal Java code? Also do I need Java Enterprise Edition SDK 1.2.1? I have the Standard Edition SDK 1.3. (When I tried to install the J2EE it didnt have javac in it and I was all confused) Please explain if this is the reason. I just started programming in java and don't know the basics. Thanks. Thanks Pete === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Returning information from Servlet
Hi, I am karthik from Bangalore,India. I have a small problem with JSP/Servlet. I am having a onload call in my JSP in which I am calling a servlet. The servlet talks to the database and gets a ResultSet. I now have to pass the resultSet back to the calling JSP. Is there any way to do it? Eagerly waiting for a reply. Any sample code will be extremely helpfull Thanks karthik === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Clarification
Hi, Can somebody simplify the terms used in the followimg mail.I quote >From :Nestel, Frank [[EMAIL PROTECTED]] To: [EMAIL PROTECTED] "Thank you again. I've only read the servlet 2.2 specs yet to know that a war file is a special kind of jar file. So I guess I know how to contruct a war file. But new questions arise: * How do I configure the servlet container to fetch files from an war archive instead of an directory (a sample web.xml would be nice) * Are there limitations in existing 2.2 engines (Resin is one of our current favorites) concerning war-Archives? * How is it possible to remove all JAVA/JSP source code from an application before shipment. Thank you again. " Rgds, Sujoy === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Clarification
from my understanding, WAR files are self extracting. once you put the war file in the appropriate directory and it is called by the client it will extract the files and create the appropriate directory. Sujoy Kumar Bose wrote: > Hi, > > Can somebody simplify the terms used in the followimg mail.I quote > > >From :Nestel, Frank [[EMAIL PROTECTED]] > > To: [EMAIL PROTECTED] > > "Thank you again. I've only read the servlet 2.2 specs yet to know > that a war file is a special kind of jar file. So I guess I know > how to contruct a war file. > > But new questions arise: > * How do I configure the servlet container to fetch files from an >war archive instead of an directory (a sample web.xml would be nice) > * Are there limitations in existing 2.2 engines (Resin is one of our >current favorites) concerning war-Archives? > * How is it possible to remove all JAVA/JSP source code from an >application before shipment. > > Thank you again. > " > > Rgds, > > Sujoy > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Problems accessing bean from JSP??
Hi! I am using JSWDK-1.0.1. How can access a bean which is in the directory JSWDK-1.0.1\eserv\web-inf\servlets\mypackage from a JSP which is in the directory JSWDK-1.0.1\eserv\JSP\ Could anyone help me with this problem? Thanks in advance Vasu Suram === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Reg Kit for Servlets
Hi, I understand that for coding servelets i need to have the JSDK.But i am unable to locate the site where i can download it.I have tried to locate in the sun related sites but was of no use. Can somebody give me the exact URL of a site that offers a downloadable kit for coding servelets. Regards Aravind === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Reg Kit for Servlets
http://java.sun.com/j2ee/j2sdkee/ Aravind Kumar LNS wrote: > Hi, >I understand that for coding servelets i need to have the JSDK.But i am > unable to locate the site where i can download it.I have tried to locate in > the sun related sites but was of no use. > Can somebody give me the exact URL of a site that offers a downloadable kit > for coding servelets. > > Regards > Aravind > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Offtopic: Quick Java programming question...
I'm trying to write a method which returns an array of Hashtables, and in
the method, I am assembling the data as a vector, and trying to user
"toArray()" to return the data as an array.
Something like this:
private Hashtable[] getStuff() {
Vector stuff = new Vector();
Hashtable ht = new Hashtable();
ht.put("A", "Stuff A");
ht.put("B", "Stuff B");
stuff.add(0, ht);
return (Hashtable[]) stuff.toArray();
}
This compiles great, but when I execute the line:
Hashtable[] test = getStuff();
I get a java.lang.ClassCastException. The only way I have been able to get
this to work, is to have the function return "Object[]", and explicitly cast
the returned object everytime I reference it, but I would like to make the
function simply return an array of Hashtable objects.
Any ideas on why the code above doesn't work, or how I can get it to work?
Thanks,
Scott Costa
[EMAIL PROTECTED]
===
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Some relevant FAQs on JSP/Servlets can be found at:
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Re: Reg Kit for Servlets
Arvind, try this page http://java.sun.com/products/jdk/1.2/index.html Regards Vasu Suram PM/400 Developer Rochester IBM Tie Line: 553-1177 email: [EMAIL PROTECTED] Aravind Kumar LNS <[EMAIL PROTECTED]> on 05/17/2000 11:51:30 AM Please respond to A mailing list about Java Server Pages specification and reference <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] cc: Subject: Reg Kit for Servlets Hi, I understand that for coding servelets i need to have the JSDK.But i am unable to locate the site where i can download it.I have tried to locate in the sun related sites but was of no use. Can somebody give me the exact URL of a site that offers a downloadable kit for coding servelets. Regards Aravind === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
[ANN] Java servlets office suite
Coldjava implemented version 1.46 of Servlets Office Suite (Java SOS). Java SOS is a collection of "out of the box" Java servlets ready for building Web pages. SOS plays the same role as a set of CGI scripts and can be used to add dynamic capabilities to Web sites. It's free for any non-commercial use and available for download from our site: http://coldjava.hypermart.net ServletShop: java server side programming http://coldjava.hypermart.net Get your own FREE, personal Netscape WebMail account today at http://webmail.netscape.com. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Reg Kit for Servlets
You can download jsdk from http://java.sun.com/products/java-server/servlets/ Veda. Aravind Kumar LNS wrote: > > Hi, >I understand that for coding servelets i need to have the JSDK.But i am > unable to locate the site where i can download it.I have tried to locate in > the sun related sites but was of no use. > Can somebody give me the exact URL of a site that offers a downloadable kit > for coding servelets. > > Regards > Aravind > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Offtopic: Quick Java programming question...
> private Hashtable[] getStuff() {
> Vector stuff = new Vector();
> Hashtable ht = new Hashtable();
> ht.put("A", "Stuff A");
> ht.put("B", "Stuff B");
> stuff.add(0, ht);
> return (Hashtable[]) stuff.toArray();
> }
Try exchange "return (Hashtable[]) stuff.toArray()" with:
"return (Hashtable[]) stuff.toArray(new Hashtable[0])" It should do the trick.
Cheers, Bip
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Re: Problems accessing bean from JSP??
Normally the jswdk-1.0.1 config expects the beans to be in eserv\web-inf\jsp\beans\mypackage -Original Message- From: Vasu Suram [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 17, 2000 11:05 AM To: [EMAIL PROTECTED] Subject: Problems accessing bean from JSP?? Hi! I am using JSWDK-1.0.1. How can access a bean which is in the directory JSWDK-1.0.1\eserv\web-inf\servlets\mypackage from a JSP which is in the directory JSWDK-1.0.1\eserv\JSP\ Could anyone help me with this problem? Thanks in advance Vasu Suram === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Problems accessing bean from JSP??
That I understand, but how can I make my servlets which are in the directory JSWDK-1.0.1\eserv\web-inf\servlets\ access the bean in JSWDK-1.0.1\eserv\web-inf\jsp\beans\ ? Regards Vasu Suram Apollo Mcowiti <[EMAIL PROTECTED]> on 05/17/2000 12:58:54 PM Please respond to A mailing list about Java Server Pages specification and reference <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] cc: Subject: Re: Problems accessing bean from JSP?? Normally the jswdk-1.0.1 config expects the beans to be in eserv\web-inf\jsp\beans\mypackage -Original Message- From: Vasu Suram [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 17, 2000 11:05 AM To: [EMAIL PROTECTED] Subject: Problems accessing bean from JSP?? Hi! I am using JSWDK-1.0.1. How can access a bean which is in the directory JSWDK-1.0.1\eserv\web-inf\servlets\mypackage from a JSP which is in the directory JSWDK-1.0.1\eserv\JSP\ Could anyone help me with this problem? Thanks in advance Vasu Suram === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Offtopic: Quick Java programming question...
What does this do?
return (HashTable[])stuff.toArray(new HashTable[0]);
- Original Message -
From: "Scott Costa" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 17, 2000 10:15 AM
Subject: Offtopic: Quick Java programming question...
> I'm trying to write a method which returns an array of Hashtables, and in
> the method, I am assembling the data as a vector, and trying to user
> "toArray()" to return the data as an array.
> Something like this:
>
> private Hashtable[] getStuff() {
> Vector stuff = new Vector();
> Hashtable ht = new Hashtable();
> ht.put("A", "Stuff A");
> ht.put("B", "Stuff B");
> stuff.add(0, ht);
> return (Hashtable[]) stuff.toArray();
> }
>
> This compiles great, but when I execute the line:
> Hashtable[] test = getStuff();
>
> I get a java.lang.ClassCastException. The only way I have been able to
get
> this to work, is to have the function return "Object[]", and explicitly
cast
> the returned object everytime I reference it, but I would like to make the
> function simply return an array of Hashtable objects.
>
> Any ideas on why the code above doesn't work, or how I can get it to work?
>
> Thanks,
> Scott Costa
> [EMAIL PROTECTED]
>
>
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JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
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Re: Offtopic: Quick Java programming question...
it casts the objects into hashtable array ojects...
-Original Message-
From: Robert Nicholson [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 17, 2000 2:19 PM
To: [EMAIL PROTECTED]
Subject: Re: Offtopic: Quick Java programming question...
What does this do?
return (HashTable[])stuff.toArray(new HashTable[0]);
- Original Message -
From: "Scott Costa" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 17, 2000 10:15 AM
Subject: Offtopic: Quick Java programming question...
> I'm trying to write a method which returns an array of Hashtables, and in
> the method, I am assembling the data as a vector, and trying to user
> "toArray()" to return the data as an array.
> Something like this:
>
> private Hashtable[] getStuff() {
> Vector stuff = new Vector();
> Hashtable ht = new Hashtable();
> ht.put("A", "Stuff A");
> ht.put("B", "Stuff B");
> stuff.add(0, ht);
> return (Hashtable[]) stuff.toArray();
> }
>
> This compiles great, but when I execute the line:
> Hashtable[] test = getStuff();
>
> I get a java.lang.ClassCastException. The only way I have been able to
get
> this to work, is to have the function return "Object[]", and explicitly
cast
> the returned object everytime I reference it, but I would like to make the
> function simply return an array of Hashtable objects.
>
> Any ideas on why the code above doesn't work, or how I can get it to work?
>
> Thanks,
> Scott Costa
> [EMAIL PROTECTED]
>
>
===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
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Re: Problems accessing bean from JSP??
In that case, you need to instantiate the bean: Say the bean bean0 is in package myPackage, then within your servlet you do this: jsp.beans.myPackage.bean0 b= new jsp.beans.myPackage.bean0(); Hope this helps -Original Message- From: Vasu Suram [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 17, 2000 1:12 PM To: [EMAIL PROTECTED] Subject: Re: Problems accessing bean from JSP?? That I understand, but how can I make my servlets which are in the directory JSWDK-1.0.1\eserv\web-inf\servlets\ access the bean in JSWDK-1.0.1\eserv\web-inf\jsp\beans\ ? Regards Vasu Suram Apollo Mcowiti <[EMAIL PROTECTED]> on 05/17/2000 12:58:54 PM Please respond to A mailing list about Java Server Pages specification and reference <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] cc: Subject: Re: Problems accessing bean from JSP?? Normally the jswdk-1.0.1 config expects the beans to be in eserv\web-inf\jsp\beans\mypackage -Original Message- From: Vasu Suram [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 17, 2000 11:05 AM To: [EMAIL PROTECTED] Subject: Problems accessing bean from JSP?? Hi! I am using JSWDK-1.0.1. How can access a bean which is in the directory JSWDK-1.0.1\eserv\web-inf\servlets\mypackage from a JSP which is in the directory JSWDK-1.0.1\eserv\JSP\ Could anyone help me with this problem? Thanks in advance Vasu Suram === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Java Proviler Websphere AS and/or VAJ Websphere test environment
Can anyone recommend a good profiler for java servlets for Websphere AS to check java servlets for memory leaks and performance bottlenecks... Is possible to use Visual Age Websphere Test Environment for testing java servlet performance? Thanks! Jacek [EMAIL PROTECTED] W: 813 282-8828 1 800 280-8828 x1072 H: 727 669-8193 === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
datbase access using jsp.jdbc
Hi, Does anyone have some code ( a .jsp and .java file using jdbc ) using which one can select ( from say EMP ) and display the results on a web page. I am running into NullPointerExceptions with the Vector datatype. If anyone has already done this then can you send me some working code?? I will wade through it myself. Thanks, Raghu === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Web Browser detection in JSP
Hello, I am surprised this wasn't already have been posted and answered, but I searched the archives of this mailing list and could not find any info on this ... At any rate, is there a way to detect whether someone is using Netscape or IE using JSP? I know this can be done easily in JavaScript using code along the lines of: var browser = navigator.appName; var Nav = (browser == "Netscape"); var IE = (browser == "Microsoft Internet Explorer); However, I need to set boolean variables within the scriptlet <% ... %> tags based on whether Netscape or IE is being used. Thanks in advance!!! P.J. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Cannot create bean of class - Error
I am getting this error: Cannot create bean of class checkbox.Client
I do not know why The following is my code for the class. I am trying to
read records from a file readDB()
and using jsp be able to get the values for the record such as getcuid()
and go to the next file record nextRecord().
package checkbox;
import java.io.*;
import java.util.StringTokenizer;
public class Client {
public String cuid;
public String first_name;
public String last_name;
public String work_phone;
public String email;
public String work_address;
public String home_address;
public String RC;
public String RCBS;
public Client next;
//Constructor
public Client(String[] Value, Client new_client)
{
cuid = Value[0];
first_name = Value[1];
last_name = Value[2];
work_phone = Value[3];
email = Value[4];
work_address = Value[5];
home_address = Value[6];
RC = Value[7];
RCBS = Value[8];
next = new_client;
}
public void readDB() {
String filePath = "C:\\demo\\clients.txt";
// Initialize list head
Client head = null;
// Read File
try {
BufferedReader in = new BufferedReader(new FileReader(filePath));
String line;
String[] Value = new String[8];
int x=0;
try {
// Read each record
while ((line = in.readLine())!= null) {
// Break record into columns
StringTokenizer st = new StringTokenizer (line,"\t");
while (st.hasMoreTokens()) {
Value[x]=st.nextToken();
x++;
}
// Create Client Object
head = new Client(Value, head);
}
in.close();
}
catch (IOException e) {
}
}
catch (IOException e) {
}
}
public String getcuid() {
return cuid;
}
public String getfirst_name() {
return first_name;
}
public String getlast_name() {
return last_name;
}
public String getwork_phone() {
return work_phone;
}
public String getemail() {
return email;
}
public String gethome_address() {
return home_address;
}
public String getRC() {
return RC;
}
public String getRCBS() {
return RCBS;
}
public int nextRecord() {
int EOF = 0;
int NEXT = 1;
next = next.next;
if (next != null ) {
return NEXT;
}
else {
return EOF;
}
}
}
Thanks,
Pedro
(303) 624-1545
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Re: Offtopic: Quick Java programming question...
You can only cast an Object[] to a Hashtable[] if the array was originally
made at a Hashtable[] (Or something to that effect, I read it in the JDC
forums)
To do what you want to do, add code to the following effect at the end of
your method:
Hastable[] hashArray = new Hashtable[stuff.size()];
stuff.copyInto(hashArray);
return hashArray;
Good luck,
Jason B.
>- Original Message -
>From: "Scott Costa" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Wednesday, May 17, 2000 10:15 AM
>Subject: Offtopic: Quick Java programming question...
>
>
>> I'm trying to write a method which returns an array of Hashtables, and in
>> the method, I am assembling the data as a vector, and trying to user
>> "toArray()" to return the data as an array.
>> Something like this:
>>
>> private Hashtable[] getStuff() {
>> Vector stuff = new Vector();
>> Hashtable ht = new Hashtable();
>> ht.put("A", "Stuff A");
>> ht.put("B", "Stuff B");
>> stuff.add(0, ht);
>> return (Hashtable[]) stuff.toArray();
>> }
>>
>> This compiles great, but when I execute the line:
>> Hashtable[] test = getStuff();
>>
>> I get a java.lang.ClassCastException. The only way I have been able to
>get
>> this to work, is to have the function return "Object[]", and explicitly
>cast
>> the returned object everytime I reference it, but I would like to make
the
>> function simply return an array of Hashtable objects.
>>
>> Any ideas on why the code above doesn't work, or how I can get it to
work?
>>
>> Thanks,
>> Scott Costa
>> [EMAIL PROTECTED]
>>
===
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Re: cookies and redirects
I had this problem also. The cookie path and domain seemed to have been set
in such a way that the cookie was not "seen" buy the redirected-to page.
I added setPath and setDomain like this:
Cookie c = new Cookie("rememberme", "checked");
c.setMaxAge(24*365*60*60);
c.setPath("/");
c.setDomain(".cafepress.com");
response.addCookie(c);
and the problem was solved
-fred
> I am having the same problem as below. I set a cookie on login, then
> redirect to the appropriate page without even writing a single line to the
> output stream and the cookie does not get set. Is there any way to get
> around this?
>
> Travis
>
> On Mon, 17 Apr 2000 08:10:21 -0400, Jerry Denman <[EMAIL PROTECTED]>
wrote:
>
> >Without seeing your code I can only make a guess - all cookie operations
> >typically must take place within the tags. Most often the
> >cookie will not set if done in any other portion of the HTML code.
> >
> >Hope that helps
> >
> >Jerry M Denman
> >Management Information Consulting
> >
> >-Original Message-
> >From: Mr. Srinivas Rao [mailto:[EMAIL PROTECTED]]
> >Sent: Monday, April 17, 2000 7:54 AM
> >To: [EMAIL PROTECTED]
> >Subject: JSP query with cookies setting
> >
> >
> >hi,
> >I am facing very strange problem that is I am using jsp with tomcat web
> >server.
> >
> >I am trying to add certain cookies on certain conditions. I am able to
do
> >it as per my wish if I just let the page go on its flow..but if i am
trying
> >to redirect the page after adding the cookie, it wont add the cookie
> >althought redirecting the page properly and doing all other things in the
> >required manner.
> >
> >Please try to find the solution and mail me..
> >
> >Regards
> >
> >ES Rao
>
> Travis Reeder
> Director, Internet Technologies
> Xabre.com
>
>
===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
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Re: Web Browser detection in JSP
I am using something like this in my controller servlet:
boolean nav = false;
boolean ie = false;
String browser = request.getHeader("User-Agent");
if (browser.indexOf ("Mozilla") && (!browser.indexOf("compatible"))) nav = true;
if (browser.indexOf ("MSIE")) ie = true;
Donald
"P.J. Tenn" wrote:
> Hello,
>
> I am surprised this wasn't already have been posted and answered, but I
> searched the archives of this mailing list and could not find any info on
> this ...
>
> At any rate, is there a way to detect whether someone is using Netscape or
> IE using JSP? I know this can be done easily in JavaScript using code along
> the lines of:
>
> var browser = navigator.appName;
> var Nav = (browser == "Netscape");
> var IE = (browser == "Microsoft Internet Explorer);
>
> However, I need to set boolean variables within the scriptlet <% ... %> tags
> based on whether Netscape or IE is being used.
> Thanks in advance!!!
>
> P.J.
>
> ===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
===
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Re: Problems accessing bean from JSP??
Thanks Apollo..Anyways I found a way to put beans in a diferrent directory, other than JSWDK-1.0.1/eserv/JSP/beans. You can enter the classpath in the file startserver.bat. Add the intended directory in set beanJars= with the other directories. That worked!! Regards Vasu Suram PM/400 Developer Rochester IBM Tie Line: 553-1177 email: [EMAIL PROTECTED] Apollo Mcowiti <[EMAIL PROTECTED]> on 05/17/2000 01:40:38 PM Please respond to A mailing list about Java Server Pages specification and reference <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] cc: Subject: Re: Problems accessing bean from JSP?? In that case, you need to instantiate the bean: Say the bean bean0 is in package myPackage, then within your servlet you do this: jsp.beans.myPackage.bean0 b= new jsp.beans.myPackage.bean0(); Hope this helps -Original Message- From: Vasu Suram [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 17, 2000 1:12 PM To: [EMAIL PROTECTED] Subject: Re: Problems accessing bean from JSP?? That I understand, but how can I make my servlets which are in the directory JSWDK-1.0.1\eserv\web-inf\servlets\ access the bean in JSWDK-1.0.1\eserv\web-inf\jsp\beans\ ? Regards Vasu Suram Apollo Mcowiti <[EMAIL PROTECTED]> on 05/17/2000 12:58:54 PM Please respond to A mailing list about Java Server Pages specification and reference <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] cc: Subject: Re: Problems accessing bean from JSP?? Normally the jswdk-1.0.1 config expects the beans to be in eserv\web-inf\jsp\beans\mypackage -Original Message- From: Vasu Suram [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 17, 2000 11:05 AM To: [EMAIL PROTECTED] Subject: Problems accessing bean from JSP?? Hi! I am using JSWDK-1.0.1. How can access a bean which is in the directory JSWDK-1.0.1\eserv\web-inf\servlets\mypackage from a JSP which is in the directory JSWDK-1.0.1\eserv\JSP\ Could anyone help me with this problem? Thanks in advance Vasu Suram === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: datbase access using jsp.jdbc
Here you'll find the information you need, including samples: http://java.sun.com/j2se/1.3/docs/guide/jdbc/index.html ..bip Raghu Srinivasan wrote: > > Hi, > Does anyone have some code ( a .jsp and .java file using jdbc ) using which > one can select ( from say EMP ) and display the results on a web page. I am > running into NullPointerExceptions with the Vector datatype. If anyone has > already done this then can you send me some working code?? I will wade > through it myself. > Thanks, > Raghu === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Web Browser detection in JSP
<%String browser = request.getHeader("User-Agent");
System.out.println(browser);
String type=null;
if(browser.indexOf("MSIE") >= 0)
type = "IE";
else
type = "other";
System.out.println(type);
%>
- Original Message -
From: "P.J. Tenn" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 17, 2000 12:26 PM
Subject: Web Browser detection in JSP
> Hello,
>
> I am surprised this wasn't already have been posted and answered, but I
> searched the archives of this mailing list and could not find any info on
> this ...
>
> At any rate, is there a way to detect whether someone is using Netscape or
> IE using JSP? I know this can be done easily in JavaScript using code
along
> the lines of:
>
> var browser = navigator.appName;
> var Nav = (browser == "Netscape");
> var IE = (browser == "Microsoft Internet Explorer);
>
> However, I need to set boolean variables within the scriptlet <% ... %>
tags
> based on whether Netscape or IE is being used.
> Thanks in advance!!!
>
> P.J.
>
>
===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
__
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Talk to your friends online with Yahoo! Messenger.
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===
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Re: How to generate unique filename each time run the jsp
Hi,
Here is the one of the possible ways. Consider taking all of these,
(All numbers)
(Hour+minute+second+day+month+year)
Looks like a Long string, but you can use this string to create your unique
file name. Since the code is going to be running on the Server, the filename
generated will always be unique. Also you can get all of them from single
object (calendar). So it should not be time consuming too.
Sudhir
[EMAIL PROTECTED]
http://www.javacommerce.com
- Original Message -
From: Sachin S. Khanna <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, May 13, 2000 2:03 AM
Subject: Re: How to generate unique filename each time run the jsp
> Well one possible thing to do could be the following :
>
> private static int x = 0;
> public synchronized static int getId(){
> return ++x;
> }
>
> And add the int value returned by the getId() method with the name of the
> user.
> Just a suggestion :-).
> Have a nice day.
> With regards,
> Sachin S. Khanna.
> www.emailanorder.com
> - Original Message -
> From: Tiana Zhang <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, May 12, 2000 11:59 PM
> Subject: How to generate unique filename each time run the jsp
>
>
> > Hello, I need suggestion for the following task:
> >
> > I have a jsp(jsp1) page which is gonna to invoke some other program, the
> result
> > is that jsp1 is gonna to create an Html file. This file will be loaded
by
> > another jsp(jsp2) file. My problem is how can I make the name of this
html
> file
> > unique (i can specify the name anyway I wanted). The reason I want to do
> this is
> > to avoid two users run the jsp1 file at the same time and write to the
> same html
> > file. After jsp2 loaded the corresponding html file, this file will be
> deleted.
> >
> >
> > Any suggestion?
> >
> > Thanks a bunch.
> >
> > Tiana
> >
> >
>
===
> > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
> >
>
>
===
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> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
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>
>
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Re: Web Browser detection in JSP
Does that really work? I thought that the IE browser had in there something
like
"Mozilla compatible".
Nestor :-)
-Original Message-
From: Donald Vandenbeld [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 17, 2000 12:55 PM
To: [EMAIL PROTECTED]
Subject: Re: Web Browser detection in JSP
I am using something like this in my controller servlet:
boolean nav = false;
boolean ie = false;
String browser = request.getHeader("User-Agent");
if (browser.indexOf ("Mozilla") && (!browser.indexOf("compatible"))) nav =
true;
if (browser.indexOf ("MSIE")) ie = true;
Donald
"P.J. Tenn" wrote:
> Hello,
>
> I am surprised this wasn't already have been posted and answered, but I
> searched the archives of this mailing list and could not find any info on
> this ...
>
> At any rate, is there a way to detect whether someone is using Netscape or
> IE using JSP? I know this can be done easily in JavaScript using code
along
> the lines of:
>
> var browser = navigator.appName;
> var Nav = (browser == "Netscape");
> var IE = (browser == "Microsoft Internet Explorer);
>
> However, I need to set boolean variables within the scriptlet <% ... %>
tags
> based on whether Netscape or IE is being used.
> Thanks in advance!!!
>
> P.J.
>
>
===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
===
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Re: Offtopic: Quick Java programming question...
From: "Bip Thelin" <[EMAIL PROTECTED]> > Try exchange "return (Hashtable[]) stuff.toArray()" with: > "return (Hashtable[]) stuff.toArray(new Hashtable[0])" It should do the trick. This is more efficient: return (Hashtable[]) stuff.toArray(new Hashtable[stuff.size()]); because the data will be put in the same array you pass to toArray(). In the previous code, the data can't fit in the zero-element parameter, so toArray() creates a new array, using the parameter only to know the type. This creation uses reflection, so it's even slower than a normal new. And the following is even faster (by a hair): Hashtable ret = new Hashtable[stuff.size()]; stuff.toArray(new Hashtable[ret]); return ret; because you avoid the evil typecheck. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Web Browser detection in JSP
You may also do this within the jsp itself
apollo
-Original Message-
From: Donald Vandenbeld [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 17, 2000 2:55 PM
To: [EMAIL PROTECTED]
Subject: Re: Web Browser detection in JSP
I am using something like this in my controller servlet:
boolean nav = false;
boolean ie = false;
String browser = request.getHeader("User-Agent");
if (browser.indexOf ("Mozilla") && (!browser.indexOf("compatible"))) nav =
true;
if (browser.indexOf ("MSIE")) ie = true;
Donald
"P.J. Tenn" wrote:
> Hello,
>
> I am surprised this wasn't already have been posted and answered, but I
> searched the archives of this mailing list and could not find any info on
> this ...
>
> At any rate, is there a way to detect whether someone is using Netscape or
> IE using JSP? I know this can be done easily in JavaScript using code
along
> the lines of:
>
> var browser = navigator.appName;
> var Nav = (browser == "Netscape");
> var IE = (browser == "Microsoft Internet Explorer);
>
> However, I need to set boolean variables within the scriptlet <% ... %>
tags
> based on whether Netscape or IE is being used.
> Thanks in advance!!!
>
> P.J.
>
>
===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
===
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===
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Re: Web Browser detection in JSP
I check for MSIE instead of 'compatible' because I thought browsers like Opera
might also have compatible in the string. Here are the strings I get returned on
two systems (NT and Win 95)
I get this returned for Netscape:
Mozilla/4.73 [en] (WinNT; U)
Mozilla/4.08 [en] (Win95; I;Nav)
and this for Internet Explorer:
Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)
Mozilla/4.0 (compatible; MSIE 4.01; Windows 95)
I would be interested in learning what some of the less common browsers are
returning...
Donald
This is the JSP I used:
Browser Test
<%= request.getHeader("User-Agent") %>
Nestor Florez wrote:
> Does that really work? I thought that the IE browser had in there something
> like
> "Mozilla compatible".
>
> Nestor :-)
>
> -Original Message-
> From: Donald Vandenbeld [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, May 17, 2000 12:55 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Web Browser detection in JSP
>
> I am using something like this in my controller servlet:
>
> boolean nav = false;
> boolean ie = false;
> String browser = request.getHeader("User-Agent");
> if (browser.indexOf ("Mozilla") && (!browser.indexOf("compatible"))) nav =
> true;
> if (browser.indexOf ("MSIE")) ie = true;
>
> Donald
>
> "P.J. Tenn" wrote:
>
> > Hello,
> >
> > I am surprised this wasn't already have been posted and answered, but I
> > searched the archives of this mailing list and could not find any info on
> > this ...
> >
> > At any rate, is there a way to detect whether someone is using Netscape or
> > IE using JSP? I know this can be done easily in JavaScript using code
> along
> > the lines of:
> >
> > var browser = navigator.appName;
> > var Nav = (browser == "Netscape");
> > var IE = (browser == "Microsoft Internet Explorer);
> >
> > However, I need to set boolean variables within the scriptlet <% ... %>
> tags
> > based on whether Netscape or IE is being used.
> > Thanks in advance!!!
> >
> > P.J.
> >
> >
> ===
> > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
> ===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
> ===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
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Mainting sessions across boxes with JRun
All, I have two Sun boxes running Jrun sitting behind a load-balanacer. As requests for servlets and JSPs come in they are split between the two Sun boxes depeneding on load. This seems to handle our current load just fine. However, if I want to use sessions to pass information between JSPs if the successive requests are routed through the load-balancer to the other box, I lose my session. How can I maintain a session in JRun across machines and JRun instances? Thanks, Dave Eaves === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: How can i read a file in UNIX / AIX from an servlet
Hello, I need suggestion for the following task:
My problem is how can I read a file in UNIX / AIX from an servlet.
Here a code.
java.io.File file = new java.io.File("/usr/bin", "file.txt");
java.io.BufferedReader in = new java.io.BufferedReader(new
java.io.FileReader(file));
String s = in.readLine();
while (s != null) {
System.out.println(s);
}
Any suggestion?
Thanks a all.
Alex.
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com
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session objects with arrays
Hi everyone, Thanks for your time, I'm need to store some information into a a session object does anyone know if I can store this information as an bidemensional array, such as a matrix ? Thnaks... Ornelas. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Offtopic: Quick Java programming question...
Actually, you can, and it does. :)
Thanks, for all the advice guys. I knew I was missing something simple, and
this solved my problem! :)
-Original Message-
From: Danny Trieu [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 17, 2000 2:22 PM
To: [EMAIL PROTECTED]
Subject: Re: Offtopic: Quick Java programming question...
no can't do that
toArray() return Object[] and you can't cast like that
Robert Nicholson wrote:
> What does this do?
>
> return (HashTable[])stuff.toArray(new HashTable[0]);
>
> - Original Message -
> From: "Scott Costa" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, May 17, 2000 10:15 AM
> Subject: Offtopic: Quick Java programming question...
>
> > I'm trying to write a method which returns an array of Hashtables, and
in
> > the method, I am assembling the data as a vector, and trying to user
> > "toArray()" to return the data as an array.
> > Something like this:
> >
> > private Hashtable[] getStuff() {
> > Vector stuff = new Vector();
> > Hashtable ht = new Hashtable();
> > ht.put("A", "Stuff A");
> > ht.put("B", "Stuff B");
> > stuff.add(0, ht);
> > return (Hashtable[]) stuff.toArray();
> > }
> >
> > This compiles great, but when I execute the line:
> > Hashtable[] test = getStuff();
> >
> > I get a java.lang.ClassCastException. The only way I have been able to
> get
> > this to work, is to have the function return "Object[]", and explicitly
> cast
> > the returned object everytime I reference it, but I would like to make
the
> > function simply return an array of Hashtable objects.
> >
> > Any ideas on why the code above doesn't work, or how I can get it to
work?
> >
> > Thanks,
> > Scott Costa
> > [EMAIL PROTECTED]
> >
> >
>
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> > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
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> >
>
>
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Re: Offtopic: Quick Java programming question...
no can't do that
toArray() return Object[] and you can't cast like that
Robert Nicholson wrote:
> What does this do?
>
> return (HashTable[])stuff.toArray(new HashTable[0]);
>
> - Original Message -
> From: "Scott Costa" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, May 17, 2000 10:15 AM
> Subject: Offtopic: Quick Java programming question...
>
> > I'm trying to write a method which returns an array of Hashtables, and in
> > the method, I am assembling the data as a vector, and trying to user
> > "toArray()" to return the data as an array.
> > Something like this:
> >
> > private Hashtable[] getStuff() {
> > Vector stuff = new Vector();
> > Hashtable ht = new Hashtable();
> > ht.put("A", "Stuff A");
> > ht.put("B", "Stuff B");
> > stuff.add(0, ht);
> > return (Hashtable[]) stuff.toArray();
> > }
> >
> > This compiles great, but when I execute the line:
> > Hashtable[] test = getStuff();
> >
> > I get a java.lang.ClassCastException. The only way I have been able to
> get
> > this to work, is to have the function return "Object[]", and explicitly
> cast
> > the returned object everytime I reference it, but I would like to make the
> > function simply return an array of Hashtable objects.
> >
> > Any ideas on why the code above doesn't work, or how I can get it to work?
> >
> > Thanks,
> > Scott Costa
> > [EMAIL PROTECTED]
> >
> >
> ===
> > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
> >
>
> ===
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Re: session objects with arrays
Yes,
// create the JSPTableModel
JSPTableModel model = new JSPTableModel();
// create a new TableModel as the source
TableModel tableModel = createTableModel();
model.setModel(tableModel);
// add the JSPTableModel into the session so that it
// can be found by the JSP page
HttpSession session = req.getSession();
session.putValue("model", model);
where
public class JSPTableModel {
// the data model
protected TableModel model;
-Original Message-
From: Ornelas, Gabriel (CAP, CORP)
[mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 17, 2000 5:05 PM
To: [EMAIL PROTECTED]
Subject: session objects with arrays
Hi everyone,
Thanks for your time,
I'm need to store some information into a a session object does
anyone know if I can store this information
as an bidemensional array, such as a matrix ?
Thnaks... Ornelas.
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Netscape table problem
Hi guys, The web site I'm working on looks fine on IE, but it looks strange on Netscape. I'm using one with specific width, and another with width percentage. e.g. <%@ include file="some.jsp" %><%@ include file="someother.jsp" %> On IE, it keeps the width 140, but on Netscape it does to a certain point when I'm dragging the window and then it gets all whacked when it gets too big. What am I doing wrong? Thank you very much! howard === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Offtopic: Quick Java programming question...
Oops. I actually wanted to type this: -- And the following is even faster (by a hair): Hashtable ret = new Hashtable[stuff.size()]; stuff.toArray(ret); return ret; because you avoid the evil typecheck. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
JSP/JAVA IDE
Does anyone know a good jsp and java IDE for linux? The only one I know of that does what I want is Borland's JBuilder 3.5. But only the enterprise edition supports jsp and I don't have the money for it. Any suggestions would be great thanks. - Frank === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: session objects with arrays
.The HttpSession class has all the methods you need to store/retieve
objects across requests.
.You can store objects by:
HttpSession session = req.getSession(true);
session.putValue("myObject",Object);
...
Object obj = (Object)session.getValue("myObject");
.This class has other useful methods, like getValueNames() and
getValue(name[])
.Hope helps,
.javier.
Javier Cazares
GEPS Intranet Web Team, Softtek
1 River Road, Bldg. 40-213
Schenectady, NY 12345
P: (518) 385-1521
Email: [EMAIL PROTECTED]
> -Original Message-
> From: Ornelas, Gabriel (CAP, CORP)
> Sent: Wednesday, May 17, 2000 5:05 PM
> To: [EMAIL PROTECTED]
> Subject: session objects with arrays
>
> Hi everyone,
>
> Thanks for your time,
> I'm need to store some information into a a session object does
> anyone know if I can store this information
> as an bidemensional array, such as a matrix ?
>
> Thnaks... Ornelas.
>
> ==
> =
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
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Re: Netscape table problem
Hi, This is a mailing list about Java Server Pages specification and reference. bye, Mohan -Original Message- From: Howard Lee [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 17, 2000 3:35 PM To: [EMAIL PROTECTED] Subject: Netscape table problem Hi guys, The web site I'm working on looks fine on IE, but it looks strange on Netscape. I'm using one with specific width, and another with width percentage. e.g. <%@ include file="some.jsp" %><%@ include file="someother.jsp" %> On IE, it keeps the width 140, but on Netscape it does to a certain point when I'm dragging the window and then it gets all whacked when it gets too big. What am I doing wrong? Thank you very much! howard === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Offtopic: Quick Java programming question...
Actually, there are two versions of toArray available
in the Vector class (jdk1.2 onwards) where the first
one with no argument returns Object[] (which cannot
be casted Scott found out) and the second one takes
an array argument and returns an array with the type of
the argument passed in. If the passed-in array is smaller
than the size of the vector, a new array will be created
and returned, otherwise the original will be returned.
S
- Original Message -
From: Danny Trieu <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 17, 2000 2:21 PM
Subject: Re: Offtopic: Quick Java programming question...
> no can't do that
>
> toArray() return Object[] and you can't cast like that
>
> Robert Nicholson wrote:
>
> > What does this do?
> >
> > return (HashTable[])stuff.toArray(new HashTable[0]);
> >
> > - Original Message -
> > From: "Scott Costa" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Wednesday, May 17, 2000 10:15 AM
> > Subject: Offtopic: Quick Java programming question...
> >
> > > I'm trying to write a method which returns an array of Hashtables, and
in
> > > the method, I am assembling the data as a vector, and trying to user
> > > "toArray()" to return the data as an array.
> > > Something like this:
> > >
> > > private Hashtable[] getStuff() {
> > > Vector stuff = new Vector();
> > > Hashtable ht = new Hashtable();
> > > ht.put("A", "Stuff A");
> > > ht.put("B", "Stuff B");
> > > stuff.add(0, ht);
> > > return (Hashtable[]) stuff.toArray();
> > > }
> > >
> > > This compiles great, but when I execute the line:
> > > Hashtable[] test = getStuff();
> > >
> > > I get a java.lang.ClassCastException. The only way I have been able
to
> > get
> > > this to work, is to have the function return "Object[]", and
explicitly
> > cast
> > > the returned object everytime I reference it, but I would like to make
the
> > > function simply return an array of Hashtable objects.
> > >
> > > Any ideas on why the code above doesn't work, or how I can get it to
work?
> > >
> > > Thanks,
> > > Scott Costa
> > > [EMAIL PROTECTED]
> > >
> > >
> >
===
> > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> > JSP-INTEREST".
> > > Some relevant FAQs on JSP/Servlets can be found at:
> > >
> > > http://java.sun.com/products/jsp/faq.html
> > > http://www.esperanto.org.nz/jsp/jspfaq.html
> > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
> > >
> >
> >
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> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
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>
>
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Re: A GOOD DEVELOPMENT ENVIRONMENT
emacs. rr > -Original Message- > From: Lamport, Mark [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, May 17, 2000 11:59 PM > To: [EMAIL PROTECTED] > Subject: A GOOD DEVELOPMENT ENVIRONMENT > > > Hi, > > I'm looking for a good IDE Dev tool to develop JSP and EJB > Applications, so > far I've seen JBuilder and Visual Age. Can anyone recommend > any others or > the ones above? > > Regards, > > > Mark Lamport > mailto:[EMAIL PROTECTED] > > == > = > To unsubscribe: mailto [EMAIL PROTECTED] with body: > "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: JSP/JAVA IDE
Forte for Java is free, and supports JSP, HTML, Java, etc. Not all that easy to use, and I don't like the multiple tabs it puts on the Windows Start menu, but it may be good for Linux. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Cannot create bean of class - Error
Pedro Meza wrote:
>
> I am getting this error: Cannot create bean of class checkbox.Client
>
> I do not know why The following is my code for the class. I am trying to
> read records from a file readDB()
> and using jsp be able to get the values for the record such as getcuid()
> and go to the next file record nextRecord().
>
> package checkbox;
>
> import java.io.*;
> import java.util.StringTokenizer;
>
> public class Client {
> [...]
> //Constructor
> public Client(String[] Value, Client new_client)
> [...]
A bean must have a no-args constructor. That's the constructor the bean
container (in this case the JSP container) will call to create an
instance. Since your class doesn't specify a no-args constructor, it
fails. Instead of setting variables through the constructor, use
separate setter methods. I suggest you read the JavaBeans spec for
details:
Hans
--
Hans Bergsten [EMAIL PROTECTED]
Gefion Software http://www.gefionsoftware.com
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Re: Clarification
> from my understanding, WAR files are self extracting. once > you put the war file in > the appropriate directory and it is called by the client it > will extract the files > and create the appropriate directory. I'm no guru, but I think you are wrong (probably wrong more in you choice of word than your understanding, but I'll clarify anyway...) A self-extracting archive is one that requires no other program to extract it. In WindowsLand, you often get WinZip self-extractors. They are executable programs that extract files from themselves... They differ from plain vanilla WinZip archives in that the standard WinZip archive needs an unzipping program (eg WinZip) to extract files from it. WAR files are more like zip archives than WinZip self-extractors. They contain no code in themselves that will extract anything. They are just in a format known to the Java platform, and when it comes across a WAR (or JAR) file in it's classpath, it will extract the files from it. Note that the JVM itself does the extracting (ie a program external to the WAR/JAR file itself)... As for the other questions, I'm not real familiar with JSP technology, but I'll offer some answers anyway... > > Sujoy Kumar Bose wrote: > > > Hi, > > > > Can somebody simplify the terms used in the followimg > mail.I quote > > > > >From :Nestel, Frank [[EMAIL PROTECTED]] > > > > To: [EMAIL PROTECTED] > > > > "Thank you again. I've only read the servlet 2.2 specs yet to know > > that a war file is a special kind of jar file. So I guess I know > > how to contruct a war file. > > > > But new questions arise: > > * How do I configure the servlet container to fetch files from an > >war archive instead of an directory (a sample web.xml > would be nice) I imagine (no experience here...) that you would specify it in the classpath or something similar... It may depend on the individual container... > > * Are there limitations in existing 2.2 engines (Resin is > one of our > >current favorites) concerning war-Archives? no idea > > * How is it possible to remove all JAVA/JSP source code from an > >application before shipment. JAVA source: When you make the WAR (JAR) file, simply don't include the .java files. All you need put in there is the .class files JSP source: My (poor) understanding is that JSP doesn't really get compiled into .class files. You distribute your JSP files as they are, and they are parsed and compiled dynamically, as needed. Remember that the end result of processing a .jsp file is a .html file, but this .html file changes depending on the data given to the .jsp file... So... You do put your .jsp sources into the WAR file. However, most of your important code (your business logic) will be in the Java classes anyway, so someone seeing your JSP code is not much different from someone veiwing your html source... someone correct me if I am wrong... HTH rr === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: datbase access using jsp.jdbc
HTML>
The Title
<%@ page language="java" import="java.sql.*"
session="true" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.DatabaseMetaData" %>
<%@ page import="java.sql.ResultSetMetaData" %>
<%@ page import="java.lang.*" %>
<%! int numcols,numrows;
String current_table="vertical";
ResultSet rus=null;
ResultSetMetaData rsmd=null;
String current_table1;
DatabaseMetaData dbm=null;
Connection cc;
Statement stmt=null;
String sql=null;
String b=null;
String c=null;
String ss="select * from ";
%>
<%
String name=request.getParameter("USER");
out.println("HELLO"+name);
try
{
cc=db.getConnect();
}catch (ClassNotFoundException e)
{
throw new ServletException("drivers not
found",e);
}
current_table1=request.getParameter("tablename").toUpperCase();
System.out.println(current_table1);
dbm=cc.getMetaData();
sql=ss+current_table1;
rus = db.getexecSQL(sql);
%>
DATA MAINTENANCE
<%= current_table1 %> DATA
<%
ResultSetMetaData rsmd=null;
rsmd = rus.getMetaData();
numcols=rsmd.getColumnCount();
ResultSet
rs=dbm.getColumns(null,null,current_table1,null);
for (int colnum=1;colnum<=numcols;colnum++)
{
%>
<%= rsmd.getColumnName(colnum).toUpperCase()%>
<%
}
%>
<%
while (rus.next())
{
%>
<%
for (int columns=1;columns<=numcols;columns++)
{
%>
<%
}
numrows=numrows+1;
%>
<%
System.out.println(numrows);
}
rus.close();
db.close();
%>
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pre-initialized name-values pairs in JSP's
How would I configure my jsp's to read a pre initialized name-value pair, the way we do for servlets. I do not want to pass the name value pair as my query string. Is it possible? Kumar Allamraju Get free email and a permanent address at http://www.netaddress.com/?N=1 === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Web Browser detection in JSP
Look at the headers in the request object. I don't know if UserAgent will tell you enough or not. - Original Message - From: "P.J. Tenn" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 12:26 PM Subject: Web Browser detection in JSP > Hello, > > I am surprised this wasn't already have been posted and answered, but I > searched the archives of this mailing list and could not find any info on > this ... > > At any rate, is there a way to detect whether someone is using Netscape or > IE using JSP? I know this can be done easily in JavaScript using code along > the lines of: > > var browser = navigator.appName; > var Nav = (browser == "Netscape"); > var IE = (browser == "Microsoft Internet Explorer); > > However, I need to set boolean variables within the scriptlet <% ... %> tags > based on whether Netscape or IE is being used. > Thanks in advance!!! > > P.J. > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Offtopic: Quick Java programming question...
Are you sure?
- Original Message -
From: "Danny Trieu" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 17, 2000 2:21 PM
Subject: Re: Offtopic: Quick Java programming question...
> no can't do that
>
> toArray() return Object[] and you can't cast like that
>
> Robert Nicholson wrote:
>
> > What does this do?
> >
> > return (HashTable[])stuff.toArray(new HashTable[0]);
> >
> > - Original Message -
> > From: "Scott Costa" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Wednesday, May 17, 2000 10:15 AM
> > Subject: Offtopic: Quick Java programming question...
> >
> > > I'm trying to write a method which returns an array of Hashtables, and
in
> > > the method, I am assembling the data as a vector, and trying to user
> > > "toArray()" to return the data as an array.
> > > Something like this:
> > >
> > > private Hashtable[] getStuff() {
> > > Vector stuff = new Vector();
> > > Hashtable ht = new Hashtable();
> > > ht.put("A", "Stuff A");
> > > ht.put("B", "Stuff B");
> > > stuff.add(0, ht);
> > > return (Hashtable[]) stuff.toArray();
> > > }
> > >
> > > This compiles great, but when I execute the line:
> > > Hashtable[] test = getStuff();
> > >
> > > I get a java.lang.ClassCastException. The only way I have been able
to
> > get
> > > this to work, is to have the function return "Object[]", and
explicitly
> > cast
> > > the returned object everytime I reference it, but I would like to make
the
> > > function simply return an array of Hashtable objects.
> > >
> > > Any ideas on why the code above doesn't work, or how I can get it to
work?
> > >
> > > Thanks,
> > > Scott Costa
> > > [EMAIL PROTECTED]
> > >
> > >
> >
===
> > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> > JSP-INTEREST".
> > > Some relevant FAQs on JSP/Servlets can be found at:
> > >
> > > http://java.sun.com/products/jsp/faq.html
> > > http://www.esperanto.org.nz/jsp/jspfaq.html
> > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
> > >
> >
> >
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> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
>
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> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
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>
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Re: Mainting sessions across boxes with JRun
Are there hooks in JSP to have your sessions be persistent? Can one make HTTPSessions persistent in JSP with minimal impact to existing code? - Original Message - From: "David Eaves" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 12:02 PM Subject: Mainting sessions across boxes with JRun > All, > > I have two Sun boxes running Jrun sitting behind a load-balanacer. As > requests for servlets and JSPs come in they are split between the two Sun > boxes depeneding on load. This seems to handle our current load just fine. > However, if I want to use sessions to pass information between JSPs if the > successive requests are routed through the load-balancer to the other box, I > lose my session. How can I maintain a session in JRun across machines and > JRun instances? > > Thanks, > Dave Eaves > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: JSP/JAVA IDE
VisualAge is available too. At 07:14 PM 5/17/00 -0400, you wrote: >Does anyone know a good jsp and java IDE for linux? The only one I know of >that does what I want is Borland's JBuilder 3.5. But only the enterprise >edition supports jsp and I don't have the money for it. Any suggestions >would be great thanks. > >- Frank > >=== >To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff >JSP-INTEREST". >Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Reminder...HttpConnectionHandler
I am asking my question again which i asked yesterday for which no response was received. While starting Tomcat i am getting some Class error on HttpConnectionHandler class which is present in jakarta-tomcat/src/share/org/apache/tomcat/service/http Can anyone guide me why is this happening... Nitin === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Reminder...HttpConnectionHandler
Hi Nitin, This is probably a problem with your class path just check. Ritesh Ritesh Sinha, Software Engineer, Information Technologies India Ltd., A-41 MCIE, Mathura Road, Delhi 110044 , INDIA. Phone: +91-11-695-9000 Ext 348 Email: [EMAIL PROTECTED] --- -- Please visit http://www.palmgreetings.com , Worlds first and only site for E-greetings on your mobile devices. Coming Soon for Mobile Phones too. Gogia Nitin <[EMAIL PROTECTED]> on 05/18/2000 10:03:58 AM Please respond to A mailing list about Java Server Pages specification and reference <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] cc:(bcc: Sinha Ritesh-SWD-ITIL-UB/Itilmail) Subject: Reminder...HttpConnectionHandler I am asking my question again which i asked yesterday for which no response was received. While starting Tomcat i am getting some Class error on HttpConnectionHandler class which is present in jakarta-tomcat/src/share/org/apache/tomcat/service/http Can anyone guide me why is this happening... Nitin === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Fw: Re: Using EJB or JavaBeans ( MCV architecture )
hello friends... i am working on EJB. and i think that EJB is very powerfull as compared to the java beans... because in business applications u can use EJB in three tyer archtecture. in EJB there are session beans in which u can define yr business logic throgh those session beans u can access the entiy beans those are model to yr data . a very good way of database hadling and prossing is there in ejb. it will definately emplify yr e-commerce projects perfomance. thanx vikram - Original Message - From: Tom Gordon <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 12:07 AM Subject: Re: Using EJB or JavaBeans ( MCV architecture ) > Hi, I am also pondering whether to use EJB in conjunction with JSP and > servlets. Did you ever get an answer to this question? > > Thanks, > Tom > > > "Bragg, James" wrote: > > > > What is the advantage of using EJB over JavaBeans (as the Model) in an web > > based application in which JSP will be used for Presentation(View), and > > Serlvets as the Controller. > > > > If I wasn't using Servlets as the Controller, I could seen the need for EJBs > > over JavaBeans for Security, Transaction Management and Session control... > > > > Problem is that I have a very small, very green(new to these technologies) > > develpment team trying to learn and develop this application in a very short > > timeframe. So the issue is do we include EJB and increase risk of missing > > target date, or settle for JavaBeans and reduce the capabilies of the web > > app. > > > > What is Advantage of using EJB over JavaBeans when used as the Model? > > > > thanks.. > > > > James > > > > === > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > > Some relevant FAQs on JSP/Servlets can be found at: > > > > http://java.sun.com/products/jsp/faq.html > > http://www.esperanto.org.nz/jsp/jspfaq.html > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets __ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://im.yahoo.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Reminder...HttpConnectionHandler
everything is present in my class path including JDK path; JDK\lib\Tools.jar I have set Java_Home I have set Tomcat_Home Any other clue ? Nitin > -Original Message- > From: Ritesh Sinha [SMTP:[EMAIL PROTECTED]] > Sent: Thursday, May 18, 2000 10:48 AM > To: [EMAIL PROTECTED] > Subject: Re: Reminder...HttpConnectionHandler > > Hi Nitin, > This is probably a problem with your class path just check. > Ritesh > > Ritesh Sinha, > Software Engineer, > Information Technologies India Ltd., > A-41 MCIE, Mathura Road, Delhi 110044 , INDIA. > Phone: +91-11-695-9000 Ext 348 > Email: [EMAIL PROTECTED] > -- > - > -- > Please visit http://www.palmgreetings.com , Worlds first and only site for > E-greetings on your mobile devices. Coming Soon for Mobile Phones too. > > > > > > > > > > > Gogia Nitin <[EMAIL PROTECTED]> on 05/18/2000 10:03:58 AM > > Please respond to A mailing list about Java Server Pages specification and > reference <[EMAIL PROTECTED]> > > To: [EMAIL PROTECTED] > cc:(bcc: Sinha Ritesh-SWD-ITIL-UB/Itilmail) > > Subject: Reminder...HttpConnectionHandler > > > > > I am asking my question again which i asked yesterday for which no > response > was received. > While starting Tomcat i am getting some Class error on > HttpConnectionHandler > class > which is present in > jakarta-tomcat/src/share/org/apache/tomcat/service/http > > Can anyone guide me why is this happening... > > Nitin > > == > = > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff > JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: Offtopic: Quick Java programming question...
The code you posted did not compile.
With a few minor changes, I have the following working code:
import java.util.Hashtable;
import java.util.Vector;
public class HashTableArrayTest
{
public static void main(String[] args)
{
Hashtable[] h = getStuff();
System.out.println(h[0].toString());
}
public static Hashtable[] getStuff()
{
Vector stuff = new Vector();
Hashtable ht = new Hashtable();
ht.put("A", "Stuff A");
ht.put("B", "Stuff B");
stuff.addElement(ht);
return toArray(stuff);
}
public static Hashtable[] toArray(Vector v)
{
Hashtable[] h = null;
if (v != null)
{
h = new Hashtable[v.size()];
v.copyInto(h);
}
return h;
}
}
- Original Message -
From: Scott Costa <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 17, 2000 12:15 PM
Subject: Offtopic: Quick Java programming question...
> I'm trying to write a method which returns an array of Hashtables, and in
> the method, I am assembling the data as a vector, and trying to user
> "toArray()" to return the data as an array.
> Something like this:
>
> private Hashtable[] getStuff() {
> Vector stuff = new Vector();
> Hashtable ht = new Hashtable();
> ht.put("A", "Stuff A");
> ht.put("B", "Stuff B");
> stuff.add(0, ht);
> return (Hashtable[]) stuff.toArray();
> }
>
> This compiles great, but when I execute the line:
> Hashtable[] test = getStuff();
>
> I get a java.lang.ClassCastException. The only way I have been able to
get
> this to work, is to have the function return "Object[]", and explicitly
cast
> the returned object everytime I reference it, but I would like to make the
> function simply return an array of Hashtable objects.
>
> Any ideas on why the code above doesn't work, or how I can get it to work?
>
> Thanks,
> Scott Costa
> [EMAIL PROTECTED]
>
>
===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
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Re: JSPs and XML.
Hi Shawn, We are doing something very similar, and we might as well use JSP later down the road so I'll get you my own reasoning. Why? Because that way you have the data generated by your action completely independent of the way you present the data. So independent that you don't have to use Java to format this data or even produce it. For example, right now we skipped the JSP part because we are generating the XML directly from PL/SQL but if we have to add some operations that will be done better in Java (handling files...) we just need to produce XML from Java and use the same XSLT sheets as the PL/SQL operations. Our grahical designer won't even know if we are performing the logic in PL/SQL or Java. And you might ask then why use JSP instead of generating XML directly from servlets. Well, for the same reason we generate HTML through JSP instead of generating it directly from servlets, to make the result independent of the classes that implement it, easier to produce without getting into the code... Another reason why one would want to generate XML from JSP would be to be able to forward this result to diferent XSLT and produce WML, HTML, ... using the same functionality but with diferent XSLT. I understand that one might think, why add such an overhead... Again, JSPs are supposed not to be such an overhead because they are compiled into servlets the first time you access them (you might even precompile them sometimes) so they are more like a different way of specifying your output. So, IMHO, if you are just producing HTML, you are just performing your operations in Java and you don't have a designer that can play XSLT, then there's no need to go for XML. But if you want to produce different ouput formats reusing the same functionality, you need to seamlesly integrate different sources of the information into your HTML layer or you have a designer that can play XSLT then you can get some advantages by using XML and you might want to produce it from Java through JSP. Just my 2ec Dan --- Daniel Lopez Janariz ([EMAIL PROTECTED]) Web Services Computer Center Balearic Islands University --- Shawn McKisson wrote: > > Why would you want to take data, convert it into another form of data and > *then* convert it into HTML? > > This is like pouring yourself a cold beer by first pouring it from the > bottle into one mug, then pouring that mug into another mug. > > If a you have a JSP page which does emit XML, you could chain the output of > that page through another servlet which performed the XML/XSL conversion. So > the XML/XSL servlet would use the JSP page as a data source. > > There were some really good articles about 7-12 months ago on XML-INTEREST > about this. > If I can find them I will mail them to you. > > --shawn > > - Original Message - > From: Robert Nicholson <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, May 17, 2000 5:10 AM > Subject: Re: JSPs and XML. > > > I would like to know if a JSP app emits XML what component of existing > > application servers can translate that to whatever presentation language > is > > prefered? I want to understand how XSLT fits into a JSP app's > architecture. > > > > - Original Message - > > From: "Shawn McKisson" <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Tuesday, May 16, 2000 9:15 PM > > Subject: Re: JSPs and XML. > > > > > > > Just return XML tags instead of only HTML tags. > > > There is nothing special that needs to be done. > > > > > > If you are going to just turn around and reprocess the XML into HTML > using > > > something like XSL, then you are basically needlessly supporting two > > > presentation layers. You should reconsider your app architecture. > > > > > > --shawn > > > > > > - Original Message - > > > From: Bilal Ali Nawaz <[EMAIL PROTECTED]> > > > To: <[EMAIL PROTECTED]> > > > Sent: Tuesday, May 16, 2000 1:36 AM > > > Subject: JSPs and XML. > > > > > > > > > > hi all, > > > > can anyone please direct me to some useful resources on the web > > concerning > > > how > > > > to output XML through a JSP? basically what i want to study is that > can > > > XML be > > > > 'thrown' by a jsp just like HTML? and if so, how?? > > > > > > > > thanking all of you in advance, > > > > bilal. > > > > > > _ > > > > > > > > Disclaimer: > > > > > > > > "This message is confidential. It may also be privileged or otherwise > > > protected > > > > by legal rules. If you have received it by mistake please let us > know > > by > > > reply > > > > and then delete it from your system." > > > > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.o
Re: Mainting sessions across boxes with JRun
A solution I have seen work really well is to bind a user session to a particular web server instead of binding each request to a particular web server. If you don't have this capability, then I would recommend something like a singleton session manager running on box that maintains session information for the entire app. Whatever your solution, you should take into account your fault tolerance requirements since it might help lead you to the "better " soln. --shawn - Original Message - From: David Eaves <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 17, 2000 2:02 PM Subject: Mainting sessions across boxes with JRun > All, > > I have two Sun boxes running Jrun sitting behind a load-balanacer. As > requests for servlets and JSPs come in they are split between the two Sun > boxes depeneding on load. This seems to handle our current load just fine. > However, if I want to use sessions to pass information between JSPs if the > successive requests are routed through the load-balancer to the other box, I > lose my session. How can I maintain a session in JRun across machines and > JRun instances? > > Thanks, > Dave Eaves > > === > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". > Some relevant FAQs on JSP/Servlets can be found at: > > http://java.sun.com/products/jsp/faq.html > http://www.esperanto.org.nz/jsp/jspfaq.html > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets > === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". Some relevant FAQs on JSP/Servlets can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
Re: How can i read a file in UNIX / AIX from an servlet
What is wrong with the code you posted?
Just send the output to the response stream instead of stdout.
--shawn
- Original Message -
From: Alexander Bonilla <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 17, 2000 4:06 PM
Subject: Re: How can i read a file in UNIX / AIX from an servlet
> Hello, I need suggestion for the following task:
>
> My problem is how can I read a file in UNIX / AIX from an servlet.
>
> Here a code.
>
> java.io.File file = new java.io.File("/usr/bin", "file.txt");
> java.io.BufferedReader in = new java.io.BufferedReader(new
> java.io.FileReader(file));
> String s = in.readLine();
> while (s != null) {
> System.out.println(s);
> }
>
>
> Any suggestion?
>
> Thanks a all.
>
> Alex.
>
>
>
> Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com
>
>
===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
>
===
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
Some relevant FAQs on JSP/Servlets can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
