Re: JSP page refresh option
When user presses the back button of browser, and does some operation and presses submit or other button, the request will go to server. And before trying anything you should always check if user is in session or not, else redirect him to the login page. Client browser can override the attributes as described below. But you should also use them Sanchez, Enrique (CORP, DDEMESIS) To: [EMAIL PROTECTED] [EMAIL PROTECTED]cc: (bcc: ashwani.kalra/Polaris) IS.GE.COM Subject: Re: JSP page refresh option Sent by: A mailing list about Java Server Pages specification and reference [EMAIL PROTECTED] COM 03/14/2003 04:05 AM Please respond to A mailing list about Java Server Pages specification and reference You will need to set the appropriate HTTP header attributes to prevent the dynamic content output by the JSP page from being cached by the browser. Just execute the following scriptlet at the beginning of your JSP pages to prevent them from being cached at the browser. You need both the statements to take care of some of the older browser versions. % response.setHeader(Cache-Control,no-cache); //HTTP 1.1 response.setHeader(Pragma,no-cache); //HTTP 1.0 response.setDateHeader (Expires, 0); //prevents caching at the proxy server % If the above fails, try changing the first line to response.setHeader(Cache-Control,no-store); //HTTP 1.1 -Original Message- From: Saket Barve [mailto:[EMAIL PROTECTED] Sent: Jueves, 13 de Marzo de 2003 04:31 p.m. To: [EMAIL PROTECTED] Subject: JSP page refresh option Is there any way for me to have my page refreshed everytime it is opened on the browser? I am working on a database backed web project, with JSP as front end and Oracle, JDBC as the back end. When I have a particular user logout of the system, it is noticed that simply by hitting the back button on the web browser, one is able to view and act upon the previous pages. session.invalidate is already implemented. I need a way to refresh the page. I'd appreciate any feedback at the earliest. Thanks, Saket __ Do you Yahoo!? Yahoo! Web Hosting - establish your business online http://webhosting.yahoo.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com ==To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com This e-Mail may contain proprietary and confidential information and is sent for the intended recipient(s) only. If by an addressing or transmission error this mail has been misdirected to you, you are requested to delete this mail immediately. You are also hereby notified that any use, any form of reproduction, dissemination, copying, disclosure, modification, distribution and/or publication of this e-mail message, contents or its attachment other than by its intended recipient/s is strictly prohibited. Visit Us at http://www.polaris.co.in
Re: how to use JavaBean
It should be in classpath ie all. you can also put the class file in web-inf\classes dir. This is special dir , and web container will automatically load the class from this folder. Ha Duy Thien [EMAIL PROTECTED]To: [EMAIL PROTECTED] Sent by: A cc: (bcc: ashwani.kalra/Polaris) mailing list Subject: how to use JavaBean about Java Server Pages specification and reference JSP-INTEREST@JAV A.SUN.COM 01/16/2003 06:14 PM Please respond to Ha Duy Thien Dear JSP experts around the world I am just a JSP beginer so it seems that everything is very difficult. I am learning JSP from the book Java Server Page by O'reilly. In that books they have examples that use java bean (%jsp:useBean id = class= %). Does any one know how to config in order to use Java Bean . I don't know which directory the JSP page will look for code of Java Bean . Thanks in advance Thien ==To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant archives, FAQs and Forums on JSPs can be found at: http://java.sun.com/products/jsp http://archives.java.sun.com/jsp-interest.html http://forums.java.sun.com http://www.jspinsider.com This e-Mail may contain proprietary and confidential information and is sent for the intended recipient(s) only. If by an addressing or transmission error this mail has been misdirected to you, you are requested to delete this mail immediately. You are also hereby notified that any use, any form of reproduction, dissemination, copying, disclosure, modification, distribution and/or publication of this e-mail message, contents or its attachment other than by its intended recipient/s is strictly prohibited. Visit Us at http://www.polaris.co.in
Details error message from the included page
Hi, I am using jsp templates and dynamically including the pages using PageContext.include fn. using Custom tags ||ar to tiles in struts when any error occurs in this included page I do not get the actual error. For example in my included jsp I am doing the following String str=null; str.equals(something) if str is null then I do not get the actuall null pointer exception . I Get Exception like one giving below. I am printing the stack Trace. javax.servlet.ServletException at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:585) at content.ViewPrivilegesContent_jsp_82. _jspService(ViewPrivilegesContent_jsp_82.java:403) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:139) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.java:286) at org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:415) at org.apache.jasper.runtime.JspServlet.service(JspServlet.java:544) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.ibm.servlet.engine.webapp.StrictServletInstance.doService(ServletManager.java:827) at com.ibm.servlet.engine.webapp.StrictLifecycleServlet. _service(StrictLifecycleServlet.java:159) at com.ibm.servlet.engine.webapp.ServicingServletState.service(StrictLifecycleServlet.java:306) at com.ibm.servlet.engine.webapp.StrictLifecycleServlet.service(StrictLifecycleServlet.java:106) at com.ibm.servlet.engine.webapp.ServletInstance.service(ServletManager.java:472) at com.ibm.servlet.engine.webapp.ValidServletReferenceState.dispatch(ServletManager.java:1012) at com.ibm.servlet.engine.webapp.ServletInstanceReference.dispatch(ServletManager.java:913) at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:499) at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:278) at com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.include(WebAppRequestDispatcher.java:111) at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:473) at tags.templates.GetTag.doStartTag(GetTag.java:56) Note that in the last line in doStartTag fn I am including my jsp file like this pageContext.getOut().flush(); pageContext.include(content); This is giving problem in debuging the page. Any Idea on how to get the original exception TIA Ashwani This e-Mail may contain proprietary and confidential information and is sent for the intended recipient(s) only. If by an addressing or transmission error this mail has been misdirected to you, you are requested to delete this mail immediately. You are also hereby notified that any use, any form of reproduction, dissemination, copying, disclosure, modification, distribution and/or publication of this e-mail message, contents or its attachment other than by its intended recipient/s is strictly prohibited. Visit Us at http://www.polaris.co.in
Re: JSP Servlets
The key word here is role separation and avoiding mess when both programmer and web designer are working on the jsp. ~ Cheers Ashwani Kalra http://www.geocities.com/ashwani_kalra/ ~ - Original Message - From: GW [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, May 20, 2002 5:46 PM Subject: JSP Servlets Hi All As far as possible JSP pages should only contain presentation data (html) and not embedded java code. Programmatical logic should be handled in beans and servlets and not in jsp pages. Can someone please be kind enough to tell my why this is important? Kind Regards GW = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: JSP Servlets
1. If you have to change common code, you only have to do it in one place:in the bean or servlet, not in all the pages that excute that code. This can be achieved by including a common jsp. 2 3 are more appropriate. Regds Ashwani - Original Message - From: Francisco Manuel Martínez Suárez [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, May 20, 2002 5:55 PM Subject: Re: JSP Servlets I have three answers: 1. If you have to change common code, you only have to do it in one place:in the bean or servlet, not in all the pages that excute that code. 2. The JSPs would handle the HTML code and/or JavaScript code making them more clear. 3. It is possible then, to have a java team working separately on beans and servlets and a HTML or Web-design team working on the structure and look. Regards Fran -Mensaje original- De: GW [SMTP:[EMAIL PROTECTED]] Enviado el: lunes 20 de mayo de 2002 13:16 Para: [EMAIL PROTECTED] Asunto: JSP Servlets Hi All As far as possible JSP pages should only contain presentation data (html) and not embedded java code. Programmatical logic should be handled in beans and servlets and not in jsp pages. Can someone please be kind enough to tell my why this is important? Kind Regards GW == To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: JDBC Connection close
Proper sequence should be
resultset
statement
connection
if you diretly close the connection, then your code may behave differently
depending upon the driver. Closing the connection in finally block may give
you exception. You should always put in try block. whether connection is
closed or not is not sure but your code in finally block will always be
executed .
regds
Ashwani
- Original Message -
From: vijay [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, May 14, 2002 11:56 AM
Subject: Re: JDBC Connection close
hi,
if u close the connections in finally block, then it will be closed
successfully. there will be no connections opened. its advisable to close
the connection after closing other things
thanks regards
vijayanand.R
(),,,()
( (. .) .-''-.
(o ) ) ('o' )
=(,,)=(,,)=(,,)==(,,)=
- Original Message -
From: Manoj Nahar [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, May 14, 2002 11:38 AM
Subject: JDBC Connection close
Hi there,
Does it make aby difference if i close the JDBC connection without closing
all the resultsets and statements.
I am closing connections is try catch finally. Is it possible that
connections are left open even after closing them in finally
Manoj Nahar
http://www.naharonline.com
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Re: JDBC Connection close
hi, Connection.close() is not required just because they have to be garbage collected. When using the connection pool , this statement allows the pool implementation to return the connection to the pool. If not using pooling , then it allows the database to clean up the resources. regds Ashwani - Original Message - From: Vikramjit Singh [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, May 14, 2002 12:27 PM Subject: Re: JDBC Connection close yeah it does make a difference if you dont close the resultsets and statements. If you are doing procedures in oracle, then you need not care of closing the resultsets coz oracle does that for you. but when u do it in java. oracle does not take care and you have to explicitly close the resultsets and statements. Though when they are not in use, javas garbage collection does garbage collect, the not used resultsets and statements, u dont know when it will be garbage collected, whether it will be also or not. but if you close them explicitly they shall garbage collected. or else most of the times if the resultsets or statements are open you will get an error MAXIMUM OPEN CURSORS EXCEEDED. Regards, Vikramjit Singh, Systems Engineer, GTL Ltd. Ph. 7612929-1031 -Original Message- From: Manoj Nahar [mailto:[EMAIL PROTECTED]] Sent: Monday, May 13, 2002 11:08 PM To: [EMAIL PROTECTED] Subject: JDBC Connection close Hi there, Does it make aby difference if i close the JDBC connection without closing all the resultsets and statements. I am closing connections is try catch finally. Is it possible that connections are left open even after closing them in finally Manoj Nahar http://www.naharonline.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
jar files in web-inf/lib dir
Hi, I have two different jar files say a.jar and b.jar in the WEB-INF/lib dir. There is one common(also same package) file which is present in both the jars. I am accessing this class from say servlet. Then which of the jar file will be used for this class. Basically I want to know the sequence in which these jar file will be placed ? TIA Ashwani === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
resources in different context
Hi, I am having an ear file containing multiple war files with different contexts. I am facing lot of problems in accessing the resources from one context to other. I need some articles that discusses on how to work with different context in one application. For example how http session work in different context. How to redirect or access jsp in different context etc Any articles ? Regds Ashwani Kalra === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: PreparedStatement vs Statement
The primary reason to use PreparedStatement has nothing to do with performance. Have you read the article I have sent. Some body has not made the prepared statements just because there is problem of escaping. I have only suggested its use only when necessary and in scenarios where you can gain its benefits.. What malicious code do you think could be inserted by users free to pick their own names? Answer: lots. Couldnt Understand what you mean by this ?? Performance will ofcourse play the major role in selecting between the two. Cheers Ashwani - Original Message - From: Jeff Schnitzer [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, May 03, 2002 11:32 AM Subject: Re: PreparedStatement vs Statement When you are building your query for a Statement: String sql = SELECT * FROM theTable WHERE name = ' + name + '; With PreparedStatement, you never need to worry about escaping. Jeff Schnitzer [EMAIL PROTECTED] -Original Message- From: Ashwani Kalra [mailto:[EMAIL PROTECTED]] Sent: Thursday, May 02, 2002 8:58 PM To: [EMAIL PROTECTED] Subject: Re: PreparedStatement vs Statement Hi, I think other wise. Prepared statements are best to be avoided unless you are trying to execute some queries which cannot be done from statement object.like batch processing. From the article below I can conclude that gain in performance of the PStatement becomes visible only after 50-100 successive inserts. Doing a simple search on google gives so much info. Instead of guessing which is better please have a look at this link. http://www.onjava.com/pub/a/onjava/excerpt/oraclejdbc_19/ ~ Cheers Ashwani Kalra http://www.geocities.com/ashwani_kalra/ ~ - Original Message - From: suresh kumar Durairaj [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, May 03, 2002 6:51 AM Subject: Re: PreparedStatement vs Statement Dear all, From the DB Perspective, use of Prepared statement reduces the memory usage as prepared statement uses bind variables . The query is parsed once for several execution. It is always recommended to use prepared statement where ever possible . Suresh From: Lai, Kenny [EMAIL PROTECTED] Reply-To: A mailing list about Java Server Pages specification and reference [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: PreparedStatement vs Statement Date: Thu, 2 May 2002 14:41:20 -0400 is there a considerable difference, if I create PreparedStatement instead of Statement after i get my DB connection? are there pitfalls i should be aware about (using PreparedStatement)? kenny === == == To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com _ Join the world's largest e-mail service with MSN Hotmail. http://www.hotmail.com == = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com == = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP- INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some
Re: PreparedStatement vs Statement
Can you explain these four points in terms of statements/preparedstatements specially security ,stability , correctness ? Ashwani - Original Message - From: Geert Van Damme [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, May 03, 2002 3:42 PM Subject: Re: PreparedStatement vs Statement Performance will ofcourse play the major role in selecting between the two. I seriously doubt that. - Correctness - Stability - Security - Maintainability Are IMO all much more crucial than raw speed. Geert Van Damme === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: pls try and tell me why not working
I think request.get... returns in String. I am not expert in java script.
But what you mentioned is an error in javascript in the bottom title bar.
Click there and see the details of the errror.
Cheers
Ashwani
- Original Message -
From: Francisco Manuel Martínez Suárez [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, May 03, 2002 4:14 PM
Subject: Re: pls try and tell me why not working
Try to use request.getParameter(..).toString(); in both name and chk
variables.
Regards
Fran Martinez
-Mensaje original-
De: [Vaishali S. Pandya] [SMTP:[EMAIL PROTECTED]]
Enviado el: viernes 3 de mayo de 2002 11:15
Para: [EMAIL PROTECTED]
Asunto: pls try and tell me why not working
hello.jsp
html
headtitleHello User/title/head
script language = javascript
function getfocus(){
document.hello.username.focus();
}
function submit1(){
document.hello.action=hello.jsp?check=1
document.hello.submit()
}
function reset1(){
document.hello.action=hello.jsp?check=0
document.hello.submit()
}
/script
body bgcolor=#ff onload = getfocus()
table border=0 width=700
h1
font color = pink
marquee
Hi! I am Vaishali. Who are you?
/marquee
/h1
form name=hello method=Post action=hello.jsp
input type=text name=username size=25br
input type=submit name=submit value=Submit onclick=submit1()
input type=submit name= reset value=Reset onclick=reset1()
input type=hidden name = check value = 1
%
String name = request.getParameter(username);
String chk = request.getParameter(check);
if (name != null chk != null){
name = name.trim();
if (!(name.equals()) (chk.equals(1))){
%
br
Hello %=name%
%
}
}
%
/form
/font
/table
/body
/html
login.jsp
html
headtitle Login Window /title/head
script language = javascript
function getfocus(){
document.login.user.focus();
}
function submit1(){
document.login.action=login.jsp?check=1;
document.login.submit();
}
function reset1(){
document.login.user.value=;
document.login.pword.value=;
document.login.action=login.jsp?check=0;
document.login.submit();
}
/script
body onload = getfocus()
form name=login method=Post action=login.jsp
center
TABLE
TR
TDLogin/TD
TDINPUT TYPE=text NAME=user value=/TD
/TR
TR
TDPassword/TD
TDINPUT TYPE=password NAME=pword value=/TD
/TR
TR
TDINPUT TYPE=submit name=submit value=Submit onclick
=submit1()/TD
TDINPUT TYPE=submit name=reset value=Reset
onclick=reset1
()/TD
/TR
/TABLE
/center
input type=hidden name = check value = 1
%
String user = request.getParameter(user);
String pword = request.getParameter(pword);
String chk = request.getParameter(check);
if(user != null pword != null chk != null){
if (chk.equals(0)){
%
script
getfocus();
/script
%
}
else{
user = user.trim();
if (!(user.equals())){
if (user.equals(ril) pword.equals(india)){
%
script
alert(Yes! You have done it!!!);
document.login.action=hello.jsp
document.login.submit()
/script
%
}
else{
%
Sorry! Wrong User name or Password!!!
%
}
}
}
}
%
/form
/body
/html
--
i am opening login.jsp
gives ril and india
it gives me alert but hello.jsp is not opening and gives me
Done, but with error on page.
Thanks
Vaishali
Reliance Ind. Ltd
Ahmedabad
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Re: PreparedStatement vs Statement
My main point is that performance generally isn't that much an issue in server side web development. I cant believe this !!! . In out project we are trying hard to increase throughput and response time/performance. These small-2 points add and later create problems. e.g. the difference between using Connection pooling or not is in the order of 100 - 300 ms. In that case, it does matter. Ok I agree Security: I already said that it was my favorite trick to break into asp sites (these generally don't use PreparedStatements. I don't know if such a thing exists in asp) image your login check as: String userName = request.getParameter(userName); String passWord = ResultSet rs = stmt.executeQuery(select userName, status from login where userName = '+userName+' and password = '+password+'); Now, I can login by using userName/password test / test' or '1'='1 Believe me. It works. I've seen them doing it, man ;-) I am not including such poorly developed site. - Stability and correctness: Think about a last name lookup HTML form and I type in O'Connor ?? I also think PreparedStatements are cleaner code. Think about the parallel with a method name and the arguments. You're not creating several methods that do the same thing (apart from the arguments). I also agree . Specially if a query takes 10-15 parameters , I would prefer Prepared statement. However for executing very smal queries like Select * etc , I dont think it will give me any benefit. I am again saying that use of prepared statements should be done thought fully instead of considering it as default for executing the queries. Regds Ashwani - Original Message - From: Geert Van Damme [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, May 03, 2002 4:29 PM Subject: Re: PreparedStatement vs Statement The difference between Statement and PreparedStatement is in the order of nanoseconds. I'm sure it's less than 1 ms on normal hardware. That means it would take 1000 requests to increase the processor time with 1 second. I'd say that this is cheap ;-) I'm not saying performance doesn't matter at all. e.g. the difference between using Connection pooling or not is in the order of 100 - 300 ms. In that case, it does matter. To answer your question: - Security: I already said that it was my favorite trick to break into asp sites (these generally don't use PreparedStatements. I don't know if such a thing exists in asp) image your login check as: String userName = request.getParameter(userName); String passWord = ResultSet rs = stmt.executeQuery(select userName, status from login where userName = '+userName+' and password = '+password+'); Now, I can login by using userName/password test / test' or '1'='1 Believe me. It works. I've seen them doing it, man ;-) - Stability and correctness: Think about a last name lookup HTML form and I type in O'Connor Geert Van Damme I also think PreparedStatements are cleaner code. Think about the parallel with a method name and the arguments. You're not creating several methods that do the same thing (apart from the arguments). Geert Van Damme -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Ashwani Kalra Sent: vrijdag 3 mei 2002 12:34 To: [EMAIL PROTECTED] Subject: Re: PreparedStatement vs Statement Can you explain these four points in terms of statements/preparedstatements specially security ,stability , correctness ? Ashwani - Original Message - From: Geert Van Damme [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, May 03, 2002 3:42 PM Subject: Re: PreparedStatement vs Statement Performance will ofcourse play the major role in selecting between the two. I seriously doubt that. - Correctness - Stability - Security - Maintainability Are IMO all much more crucial than raw speed. Geert Van Damme == = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com == = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http
Re: PreparedStatement vs Statement
Hi, I saw this article http://www.javaperformancetuning.com/tips/rawtips.shtml which tells you a.. Use prepared statements (PreparedStatement class) [article provides coded example of using Statement vs. PreparedStatement]. This is very vague statement.This doesnt mean that you should use it every time.See the link below as given in the above site . They tell you the reason when you should use it. Which I also agree. ie if you want to execute same statement many times differing only with parameters to the query. This is because the statements is compiled and cached at db end while with statement this occurs at the execution time. (I am not db expert. Correct me if I am wrong) http://www.as400.ibm.com/developer/java/topics/jdbctips.html So can we say this should be the default usage? And I am again-2 saying that I am not against it. I my self using prepared statement(because of large no of parameters used by queries but not because I am executing again and again). Because this is lot more cleaner then using statement object. Now this is nice ?? So you're avoiding PreparedStatements because they're slow, but you do issue a select * ?? You might start with replacing the * with the correct columns. It might give you a better performance boost that the Statement. This was just an example. I meant to say in queries which does not have many input parameters. example select abc from table1 where name =var value I am referring to var value Hope this clear my views. You can try any site . Main compariso will be on performance. And obviously for some queries I have to use prepared statements which cannot be executed by Statement. Ofcourse I agree again that code is more cleaner . Regds Ashwani - Original Message - From: Geert Van Damme [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, May 03, 2002 5:12 PM Subject: Re: PreparedStatement vs Statement My main point is that performance generally isn't that much an issue in server side web development. I cant believe this !!! . In out project we are trying hard to increase throughput and response time/performance. These small-2 points add and later create problems. e.g. the difference between using Connection pooling or not is in the order of 100 - 300 ms. In that case, it does matter. Ok I agree Security: I already said that it was my favorite trick to break into asp sites (these generally don't use PreparedStatements. I don't know if such a thing exists in asp) image your login check as: String userName = request.getParameter(userName); String passWord = ResultSet rs = stmt.executeQuery(select userName, status from login where userName = '+userName+' and password = '+password+'); Now, I can login by using userName/password test / test' or '1'='1 Believe me. It works. I've seen them doing it, man ;-) I am not including such poorly developed site. I didn't say that. But many developers do. So, I'm correct in saying that the PreparedStatement should be the default ;-) The article about the speed difference is about a specific DBMS and a specific Driver. I doubt that you would see the same results in another setup. So, unless you did proper profiling, you should never give up on clean code, security, .. in favor of 'supposed' performance. If you did proper tuning, go ahead and use a Statement for performance's sake, but the default is still Prepared. BTW, I could easily create an ODBC driver that wraps around another one and simply implement the PreparedStatement myself by using Strig concatenation. This allows me to switch where I want without changing my code. - Stability and correctness: Think about a last name lookup HTML form and I type in O'Connor ?? Think again ;-) I also think PreparedStatements are cleaner code. Think about the parallel with a method name and the arguments. You're not creating several methods that do the same thing (apart from the arguments). I also agree . Specially if a query takes 10-15 parameters , I would prefer Prepared statement. However for executing very smal queries like Select * etc , I dont think it will give me any benefit. I am again saying that use of prepared statements should be done thought fully instead of considering it as default for executing the queries. Now this is nice ?? So you're avoiding PreparedStatements because they're slow, but you do issue a select * ?? You might start with replacing the * with the correct columns. It might give you a better performance boost that the Statement. at http://www.javaperformancetuning.com/tips/rawtips.shtml about 5 articles are listed that state you should use 'PreparedStatement' for performance. Only 1 that - in a very particular case (DBMS and Driver) - shows the opposite. Geert Van Damme ===
Re: PreparedStatement vs Statement
Hi, I think other wise. Prepared statements are best to be avoided unless you are trying to execute some queries which cannot be done from statement object.like batch processing. From the article below I can conclude that gain in performance of the PStatement becomes visible only after 50-100 successive inserts. Doing a simple search on google gives so much info. Instead of guessing which is better please have a look at this link. http://www.onjava.com/pub/a/onjava/excerpt/oraclejdbc_19/ ~ Cheers Ashwani Kalra http://www.geocities.com/ashwani_kalra/ ~ - Original Message - From: suresh kumar Durairaj [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, May 03, 2002 6:51 AM Subject: Re: PreparedStatement vs Statement Dear all, From the DB Perspective, use of Prepared statement reduces the memory usage as prepared statement uses bind variables . The query is parsed once for several execution. It is always recommended to use prepared statement where ever possible . Suresh From: Lai, Kenny [EMAIL PROTECTED] Reply-To: A mailing list about Java Server Pages specification and reference [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: PreparedStatement vs Statement Date: Thu, 2 May 2002 14:41:20 -0400 is there a considerable difference, if I create PreparedStatement instead of Statement after i get my DB connection? are there pitfalls i should be aware about (using PreparedStatement)? kenny === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com _ Join the world's largest e-mail service with MSN Hotmail. http://www.hotmail.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: Question about page parameters type. String?
Hi,
I was seeing the description of the intern() method , and could not
understand how it can be faster than equal() method. As intern() internally
calls the equal method . Am I correct ??
Regds
Ashwani
- Original Message -
From: Vikramjit Singh [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, April 19, 2002 9:24 AM
Subject: Re: Question about page parameters type. String?
or a much faster way is like this
%
String color;
color=request.getParameter(color)
if (color.intern() ==red) {
--
whatever1
}
else {whatever2}
%
using intern() is quite fast since in equals() each character is checked
which is quite time consuming which intern() gives you the canonical
representation of the string.
in your applications try to use intern() rather than equals().
Regards,
Vikramjit Singh,
Systems Engineer,
GTL Ltd.
Ph. 7612929-1031
-Original Message-
From: Kesav, Ramesh [mailto:[EMAIL PROTECTED]]
Sent: Thursday, April 18, 2002 5:19 AM
To: [EMAIL PROTECTED]
Subject: Re: Question about page parameters type. String?
Hi bhusan,
That's one point but she is trying to compare using == method which is for
object referecne but not the value.
No need of casting as paramater always comes as a String and your color
variable in the code is also a String so no need of casting.
-Original Message-
From: Villén Pizarro, Julia [mailto:[EMAIL PROTECTED]]
mailto:[mailto:[EMAIL PROTECTED]]
Sent: Thursday, April 18, 2002 5:22 PM
To: [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]
Subject:Question about page parameters type. String?
Hi all!
I call my_page.jsp this way
http://my_server/my_page.jsp?color=red
http://my_server/my_page.jsp?color=red
Then I retrieve the value of the parameter color and then try to match it,
in the following way:
%
String color;
color=request.getParameter(color)
if (color==red) {
whatever1
}
else {whatever2}
%
The answer is whatever2. I made sure the page is getting the parameter right
by writing it out. The question is if I have to do any kind of casting.
Thaks in advance,
Julia
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Re: jsp:forward tag strange problem
Hi, Yeah I know this solution. The problem is that I have many jsp to do such changes.Also it should work on any j2ee compliant(jsp 1.1 supported) server. Is this a bug in weblogic ? Thanks Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies http://www.geocities.com/ashwani_kalra/ -Original Message- From: Smita Kotnis [mailto:[EMAIL PROTECTED]] Sent: Monday, April 15, 2002 10:12 PM To: [EMAIL PROTECTED]; Ashwani Kalra Cc: [EMAIL PROTECTED] Subject: Re: jsp:forward tag strange problem Hi, One other alternative would be, to use, response.sendRedirect=CompletURL. Your URL must me some thing like this, thirdpage.jsp?firstString=+firValue+secondString=+secValue, I think, it will work. I too had same problem with this JSP:Forward using Params, I did this redirect, it worked. But, I had only threee parameters to be passed, so problem was simpler. If you have a lot of Parameters to be passed to third page, then this above method would not be a efficient way. Any way, good luck. Smita Ashwani Kalra [EMAIL PROTECTED]: Hi, I am facing a strange problem. I have three jsps. First one has simple form which submit to second jsp. I retrieve the values from request object saves them in variable and pass them to third jsp using jsp:forward tag in query string. But the third jsp is unable to get the values. This is happening even if I use param name= value= tags. I have noticed if I dont retrieve the values from request in the second jsp and pass some hardcoded values ,they are coming.It means if I do something with request object , then I am unable to obtain the values in third jsp using jsp:forward tag. I am using WL6.1. Can any body tell me why this problem ? Thanks Ashwani Kalra http://www.geocities.com/ashwani_kalra/ === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com - This mail helped a tree grow. Know more at http://green.sify.com Take the shortest route to success! Click here to know how http://education.sify.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: jsp:forward tag strange problem
Yes I am doing exactly same. What I have noticed is if in second jsp I comment request.get... line and pass some hardcoded value , its working. That means if I do something with request object, things are not working. But I cannot avoid this. Thanks Ashwani Kalra -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Bhushan_Bhangale Sent: Tuesday, April 16, 2002 4:42 PM To: [EMAIL PROTECTED] Subject: Re: jsp:forward tag strange problem Hi, First jsp - form name=form1 action=forward1.jsp input type=text name=name input type=submit value=Submit /form Second jsp - % String name = request.getParameter(name); % jsp:forward page=forward2.jsp jsp:param name=name1 value=%=name% / /jsp:forward Third jsp - % out.println(name = + request.getParameter(name)); out.println(brname1 = + request.getParameter(name1)); % It works very fine in IPlanet. I hope you are also doing the same thing. If yes then it may be a problem with WL. = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: Class not found Exception
The changes you will make will not be visible unless you restart. Thanks Ashwani Kalra http://www.geocities.com/ashwani_kalra/ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Sanjay Jadhav Sent: Sunday, April 14, 2002 7:59 PM To: [EMAIL PROTECTED] Subject: Re: Class not found Exception Hi.. I use tomcat 4.0.1 and j2ee 1.3 did i need to modify the server.xml file every time i change the .class file or to restart the web server again. with best regards, sanjay jadhav === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: Sorry... was [Re: From where i can get javax.sql.* package.
Yes It is Thanks Ashwani Kalra http://www.geocities.com/ashwani_kalra/ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Next Step Sent: Wednesday, April 10, 2002 4:50 PM To: [EMAIL PROTECTED] Subject: Sorry... was [Re: From where i can get javax.sql.* package. Sorry, im in hurry so i have not read the previous thread, pls forgive my ignorance. However, i still have a question, when using jsp import it was fine, so there must be this package somewhere (im using orion 1.54). Is javax.sql is not in standard package? Thanks. At 06:13 PM 4/10/2002 +0700, you wrote: Hi all, I've page which connect to DB, and now try to used connection pooling. With jsp, it was fine, using this statement : %@ page import=java.sql.*, javax.sql.DataSource, javax.naming.InitialContext, javax.sql.ConnectionPoolDataSource% === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
The JSP engine is not configured with a scratch dir
Hi, I get the following error when I try to run any jsp(application deployed as ear file) The JSP engine is not configured with a scratch dir. Please add jsp.initparams=scratchdir=dir-name in the servlets.properties file for this context. I am not able to solve this problem. Why I am getting this error. Why it is asking for servlets.properties file. When I have web.xml . I am working on WAS 4.0 , win2k Please help !! Thanks Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies http://www.geocities.com/ashwani_kalra/ === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: deployment into Tomcat question?
War and ear files are nothing but jar files but with extensions as .war and .ear you can give the following command at the dos prompt jar -cvf abc.war/abc.ear files to be archived Its better to use some tools for such puposes. You can use ant also. or make a batch file(.cmd) Thanks Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies http://www.geocities.com/ashwani_kalra/ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of OZGUR KISIR Sent: Tuesday, March 26, 2002 4:49 PM To: [EMAIL PROTECTED] Subject: deployment into Tomcat question? Hi all, I want to compress (make a *.war file) my project for easy deployment. I can run with putting the necessary files in the exact folders(classes into WEB-INF/classes , jsp's /root/jsp etc...) However , how can I convert my application into a 'myapp.war' file? Ozgur === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: XML-Parsing
I can suggest some patterns for such scenario. You can user Singlaton pattern . Read the xml file put the key, values in some sort of map. Now whoever needs the configuration information will do so by calling some functions from a class which takes care of all the issues. like modification of the info by others Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India http://www.geocities.com/ashwani_kalra/ ~~ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Philip M. Meier Sent: Thursday, January 10, 2002 3:38 AM To: [EMAIL PROTECTED] Subject: XML-Parsing Hello List, I've a problem parsing xml-data! When should I read in the data stored in the xml-file? At every query the data is needed or once when the application is started for the first time and at every restart of the container? When using the second possibility where to store the data inside the application after the data were read in? The data I want to read in is basicly configuration data, which is important for the whole application! Thanks in advance, Philip === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: Thread args
5 will be priority, and main is the group to which it belongs ie. it was spawned from the main fn. -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Vibha Jindal Sent: Monday, January 07, 2002 3:55 PM To: [EMAIL PROTECTED] Subject: Thread args Hi, I don't know anything about Thread programming. I know I'm asking a bsic question. Could someone please tell me what these arguments mean? e.g., it is Thraed No 465 etc. What is th 5 and teh main? I have absolutely no idea. Thread[Thread-460,5,main] Thread[EProxy,5,main] I need this information to understand my Portal Server Gateway logs. Regards, Vibha === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: Re Re: Urgent : Compilation of JSPs
Most of the vendors provides some feature to precompilation of all the jsps for increasing the response time when the jsp handles request first time. You can check the weblogic docs or their newsgroup. Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India www.geocities.com/ashwani_kalra/ ~~ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Pranav Shah Sent: Friday, December 28, 2001 7:18 PM To: [EMAIL PROTECTED] Subject: Re Re: Urgent : Compilation of JSPs Hi I am using weblogi server 6.0. In weblogic the jsp compiles when it is used for first time or when you make changes in it.But how can i instruct weblogic to compile my JSP when it starts ? Thanks Pranav Shah On Fri, 28 Dec 2001 Sasi Bhushan wrote : Its depends on the server on which you are going to deploy your JSPs.For weblogic and WebSphere u can specify that should the JSP's compile before application starting or at time first invocation of that Jsp page. You have not specified the server on which you are going to deploy. - Original Message - From: lalit gulhane [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, December 28, 2001 10:48 AM Subject: Urgent : Compilation of JSPs Hi All, Is it possible to compile all JSPs before starting the server ? Thanx and regards, Lalit = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com - === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: calling a ejb
Yes I also agree. If anybody thinks its stupid question then just presss delete. Dont think you are smart. Some day when we were beginners we also used to ask such questions. Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India www.geocities.com/ashwani_kalra/ ~~ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Ramesh Kesavanarayanan Sent: Friday, December 28, 2001 9:16 AM To: [EMAIL PROTECTED] Subject: Re: calling a ejb i totally agree with what zivki says.if you do not want to answer any question ignore them. who do you think you are to use vulgar language? you are not the mediator of this group so just shut up and do your work if you are not interested in any question. you think all the question you ask are relevant?? = Download Logos, Picture Messages Ringtones for your mobile phone Visit http://mobile.yahoo.co.in === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: instead of javascript
There is no such function in JSP. Although you can generate the jsp scriplet dynamically from jsp to do the same thing. Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India www.geocities.com/ashwani_kalra/ ~~ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Eric Cho Sent: Thursday, December 27, 2001 3:55 AM To: [EMAIL PROTECTED] Subject: instead of javascript Hi all, is there a way to have a confirmation box popup confirming your click. An ok would bring the user to another page and a cancel will keep the user where they are at? I would like to avoid javascript so if you have a method in jsp, that would be great. Thanks, Eric ___ eSafe Protect Gateway has scanned this mail for viruses, vandals and suspicious attachments. === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: instead of javascript
I am sorry please read javascript instead of jsp scriplet -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Ashwani Kalra Sent: Thursday, December 27, 2001 9:37 AM To: [EMAIL PROTECTED] Subject: Re: instead of javascript There is no such function in JSP. Although you can generate the jsp scriplet dynamically from jsp to do the same thing. Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India www.geocities.com/ashwani_kalra/ ~~ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Eric Cho Sent: Thursday, December 27, 2001 3:55 AM To: [EMAIL PROTECTED] Subject: instead of javascript Hi all, is there a way to have a confirmation box popup confirming your click. An ok would bring the user to another page and a cancel will keep the user where they are at? I would like to avoid javascript so if you have a method in jsp, that would be great. Thanks, Eric ___ eSafe Protect Gateway has scanned this mail for viruses, vandals and suspicious attachments. === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: Object Serialization
Hi, Can you give the stack trace and exactly when you are getting error. Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India www.geocities.com/ashwani_kalra/ ~~ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of M Sankar Sent: Monday, December 24, 2001 6:50 PM To: [EMAIL PROTECTED] Subject: Object Serialization Hi, I am trying to send some some objects to an applet from a JSP using Object serialization. The communication is taking place and I am receiving the objects too. But an IllegalStateException is thrown from the JSP. What might be the possible reasons for this. The scenario is the applet on initialization opens an URLConnection to the JSP and reads Objects. JSP uses the writeObject method to write into the stream. Any help would be great Regards Sankar === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
[no subject]
Hi, http://jakarta.apache.org/taglibs/tutorial.html It also has links to the Sun's site which tells you step by step on what to do. Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India www.geocities.com/ashwani_kalra/ ~~ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Pranav Shah Sent: Friday, December 21, 2001 1:55 PM To: [EMAIL PROTECTED] Subject: Can any one send me link where can i get good material on Jsp Taglib? = To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: Transforming XML in JSP
We are doing this in the current project. It uses the tag libraries. Checkout the link on apache i have already sent on this list. Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India www.geocities.com/ashwani_kalra/ ~~ -Original Message- From: A mailing list about Java Server Pages specification and reference [mailto:[EMAIL PROTECTED]]On Behalf Of Dmitry Namiot Sent: Friday, December 21, 2001 2:31 PM To: [EMAIL PROTECTED] Subject: Re: Transforming XML in JSP See for example XSL taglib on http://www.servletsuite.com/jsp.htm Any one knows what is the code in JSP to transforming XML to HTML using XSL file in server side ? I have the XML and XSL files already ... i cant find the jsp code to do this .. or anyone knows any document i can use ? -- Coldbeans Software - server-side Java (tm) components http://www.servletsuite.com __ Your favorite stores, helpful shopping tools and great gift ideas. Experience the convenience of buying online with Shop@Netscape! http://shopnow.netscape.com/ Get your own FREE, personal Netscape Mail account today at http://webmail.netscape.com/ === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
testing
Cheers Ashwani Kalra Sr. Mem. Dev. Staff Aithent Technologies India www.geocities.com/ashwani_kalra/ ~~ === To unsubscribe: mailto [EMAIL PROTECTED] with body: signoff JSP-INTEREST. For digest: mailto [EMAIL PROTECTED] with body: set JSP-INTEREST DIGEST. Some relevant FAQs on JSP/Servlets can be found at: http://archives.java.sun.com/jsp-interest.html http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.jsp http://www.jguru.com/faq/index.jsp http://www.jspinsider.com
Re: passing hidden form variables
Hi, In the second page you can make a statefull bean that will hold the data. Then you can redirect to the first page without any parameters. Use the getter function of the bean to populate the first page. Ashwani Kalra Sr. Systems Associate, E-Commerce Group, NIIT Ltd. Phone :091-11-6203577(D),6203578 -- From: Reichenbach Craig Reply To: [EMAIL PROTECTED] Sent: Tuesday, March 07, 2000 8:27 PM To: [EMAIL PROTECTED] Subject: passing hidden form variables Hi, Here's my scenario: I have a form on one JSP page that passes the info to another JSP page that processes this info (by calling a stateless session bean). This processing page does not display, so once the the processing is done I pass the client back to the first JSP page. My question is, how can I pass the user back to the first page using hidden variables? I currently use a form with an automatic javascript "submit()" function. It's OK, but I'd like a better solution. Can someone enlighten me as to how to automatically submit a form so that I can seamlessly pass the user back to a page with the proper hidden variables??? Thanks, Craig NOTES: I love the response.sendRedirect(), but you are forced to visibly show your parameters in the URL. Same with jsp:forward == = 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: methods in JSP
Hi,
I had already replied to this . You cannot break a method like this.
Ashwani Kalra
Sr. Systems Associate,
E-Commerce Group, NIIT Ltd.
Phone :091-11-6203577(D),6203578
--
From: Verma Varun
Reply To: [EMAIL PROTECTED]
Sent: Friday, March 10, 2000 10:32 AM
To: [EMAIL PROTECTED]
Subject: methods in JSP
hi all!
of late there have been some queries about how to write java methods in
.jsp
many people have replied that u can do it as follows..
%!
method()
{
//java code
}
%
however 1 pt. i would like to add is that u CANNOT BREAK UP THE METHOD
LIKE
%!
method()
{
///java code
% html code %
}
%
hope it will help somebody! Actually, i wasted a lot of time trying to do
this :)
varun
==
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http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
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Re: Java in javscript
You can use the applet object of the javascritpt to access the variables.For
applets , you can use the client side javascripting. but for normal java
class function you have to write server side equivalent of the javascript
may be using the liveconnect as you mentioned.
Ashwani Kalra
Sr. Systems Associate,
NIIT LTD.
--
From: K.V.Srinivas Kumar
Reply To: [EMAIL PROTECTED]
Sent: Monday, March 06, 2000 10:15 AM
To: [EMAIL PROTECTED]
Subject: Re: Java in javscript
Hi All,
Do we need to have live connect or something equivalent to call Java
methods in JavaScript? I have tried with the code as mentioned in the
mail
using internet explorer. But I am getting javascript error message. When
I tried
to access public string attribute of the applet class, I am getting the
message:
undefined
So I want to know what are the pre-requisite to communicate with java from
javascript.
Thanks
K.V. Srinivas Kumar
sampathkumar rangarajan [EMAIL PROTECTED] on 02/29/2000 05:10:31
PM
Please respond to sampathkumar rangarajan [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
cc:(bcc: Srinivas Kumar Krishna Vajjala/BS1/SGSSDI/SONYASIA)
Subject: Re: Java in javscript
Hi,
here is the code for calling java function from js.
comment
Refers to MyApp.java file
/comment
html
head title Accessing Java Applets from
JavaScript /title
script language="JavaScript"
function call(str)
{
window.document.app.changeText(str);
}
/script
/head
body
applet code="MyApp.class" width=400 height=300
name="app"
/applet
form name=frm
input type=text name=txt value=" "
input type=button name=btn value="Click"
onClick='call(document.frm.txt.value)'
/form
/body
/html
the applet file is
// JAVASCRIPT TO JAVA COMMUNICATIONS
import java.awt.*;
import java.applet.*;
public class MyApp extends Applet
{
String str="LiveConnect in Applet";
Font f = new
Font("TimesRoman",Font.BOLD+Font.ITALIC,20);
public void init()
{
setBackground(Color.red);
setForeground(Color.white);
setFont(f);
resize(399,300);
}
public void changeText(String s)
{
str = s;
repaint();
}
public void paint(Graphics g)
{
g.drawString(str,10,100);
}
if found this code useful i will be very happy.
--- [EMAIL PROTECTED] wrote:
Hi,
Thanks, can you just send me a simple code exmple
Ashwani
--
From: sampathkumar rangarajan
Sent: Monday, February 28, 2000 11:28 PM
To: [EMAIL PROTECTED]
Subject:Re: Java in javscript
Hi,
It is possible to call a java function from
javascript.
try a concept called liveconnect in javascript.
if cannot mail me i will send the code.
--- Ashwani Kalra [EMAIL PROTECTED] wrote:
Hi,
I also want to know if this is possible. Does
javascript recognises the
return values from java functions. or is it
possible
to call the java
function inside the javascript. I have not tried
,
but my guess is that it
will give you some kind of syntax error.
ASHWANI KALRA
NIIT LTD.
E-Commerce Group, SEB
8, Balaji Estate
Kalka ji,
New Delhl-19.
Email : [EMAIL PROTECTED]
[EMAIL PROTECTED]
Phone :091-11-6203577(D),6203578
--
From: meera nayak
Reply To: meera nayak
Sent: Thursday, February 24, 2000 1:44
PM
To: [EMAIL PROTECTED]
Subject: Java in javscript
Hi room,
I am doing something like this
.Trying
to call a method in a
java class from javascript.It returns a string
.But how does javascript
handle it.Can it handle a parameter returned
from
the java method.Can it
store it in a variable.
source code
html
head
script
var strMon;
function getMon(){
strMon=document.test.getMonth();
alert("mon",strMon);
}
/script
/head
body
applet name="test" code="rob.class" width=1
height=1
/applet
form
input type=text name=textfield1 value=""
input type=button onclick="getMon();"
form
/body
html
Can anyone help
Thanx in advance
Meera
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FAQs on JSP can be found at:
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==
Re: EJB life cycle on java server restart
Hi, I have read that whenever the server is shutdown properly, it removes the instatnces of the EJB from the pool(Garbage collected).And when ever the server is restarted it creates many instances of the bean and put them in the pool Ashwani Kalra Sr. Systems Associate, NIIT LTD. Phone :091-11-6203577(D),6203578 -- From: Sylvain Roche Reply To: Sylvain Roche Sent: Monday, March 06, 2000 6:58 PM To: [EMAIL PROTECTED] Subject: EJB life cycle on java server restart I was just wondering, what do beans become when the server is shut down ? Are they destroyed, and in which way ? Are they garbage collected, or do I have to do it myself. Servlets are destroyed upon server restart, but apparently my beans aren't, or to be more precise, their destroy method is not called (as far as I have tested it). I think what should happen, in a session persistence context, is that all think in the session scope are saved to disk, which could explain why they are not destroyed All that isn't stored in the session environment should be destroyed anyway. I don't know if this should be done by an explicit kill, or if you have to wait for the garbage collector. afaik, the gc is called when the server stops, but what happens when it crashes. I have downsized my ebj, but I want to be sure not to run out of memory, even with wide traffic on my application. Am I mistaking something ? Regards Sylvain __ Sylvain Roche Responsable développement Add-Online www.add-online.fr 80 rue d'Alsace 69100 VILLEURBANNE France tel : +33 437431260 fax: +33 437431269 == = 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 Visit http://www.niit.com for eCommerce Solutions. === 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: interset doubt on jsp.
Use the equivalent init method(name is something like jsp_init) in your JSP Ashwani -- From: munu praveen Reply To: munu praveen Sent: Tuesday, February 29, 2000 8:51 AM To: [EMAIL PROTECTED] Subject: interset doubt on jsp. Hi guys, 1)I have one doubt on jsp. i written one servlet with init method. same init method, where i can spacify in jsp. Thanks in advance __ 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 === 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: [Java in javscript]
Hi,
Alert takes one parameter only(String types). You have given two . I think
you intended to do alert("Mon"+strMon) then alert("Mon",strMon)
and yeah , the return value can be handled by javascript.
Ashwani
--
From: Ravi Pritmani
Reply To: Ravi Pritmani
Sent: Saturday, February 26, 2000 11:41 AM
To: [EMAIL PROTECTED]
Subject: Re: [Java in javscript]
There is something wrong with your code. Just replace alert("mon",strMon);
with alert("mon"+strMon); and it would work.Take care that all your
variables
and methods in your applet should be public.
Ravi
meera nayak [EMAIL PROTECTED] wrote:
Hi room,
I am doing something like this .Trying to call a method in a
java class from javascript.It returns a string .But how does javascript
handle it.Can it handle a parameter returned from the java method.Can it
store it in a variable.
source code
html
head
script
var strMon;
function getMon(){
strMon=document.test.getMonth();
alert("mon",strMon);
}
/script
/head
body
applet name="test" code="rob.class" width=1 height=1
/applet
form
input type=text name=textfield1 value=""
input type=button onclick="getMon();"
form
/body
html
Can anyone help
Thanx in advance
Meera
==
=
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
FAQs on JSP can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
Get free email and a permanent address at http://www.netaddress.com/?N=1
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http://www.esperanto.org.nz/jsp/jspfaq.html
===
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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
Re: problems with jsp:include to include files dynamically
Actually , I dont know the specification, But I am doing it Dynamically in
the following way :
if(errors0)
{
//include the file
}
Ashwani
--
From: Veena
Sent: Wednesday, February 16, 2000 12:48 PM
To: [EMAIL PROTECTED]
Subject: Re: problems with jsp:include to include files dynamically
For including files dynamically i can't use %@ include % ...That's what
the slpecification says.
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, March 06, 2000 12:24 PM
Subject: RE: problems with jsp:include to include files dynamically
Why not try html tag %@ include % instead of jsp tag
Ashwani
--
From: Veena
Reply To: Veena
Sent: Wednesday, February 16, 2000 2:58 PM
To: [EMAIL PROTECTED]
Subject: problems with jsp:include to include files dynamically
Hi all,
I have a problem in including files dynamically using jsp:include.
Below i have placed the code.Please go thru this..and tell me am i
doing
something wrong.
Thanks Regards
Veena
=
%-- TestInclude.jsp --%
%@ page language="java"%
% String a="Veena"; %
%! String m="VIDHYA"; %
%
if (session.getValue("staticPage")==null)
session.putValue("staticPage","b.jsp");
String newPage=request.getParameter("staticPage");
if (newPage!=null) session.putValue("staticPage",newPage);
String p= (String)session.getValue("staticPage");
%
HTML
BODY
BRBR
BPage %=p%:(%= request.getMethod() %)/BBRBR
BRBRBR
FORM method="post" action="/TestInclude.jsp"
input type="hidden" name="staticPage" value="c.jsp"
input type="submit"
/FORM
The current date and time are
%-- here iam including static file --%
%@ include file="Date.jsp" %
%--
here iam including file dynamically based on the condition which is
not
being included
do u have any idea of why this is happening
--%
jsp:include page="%= p %" flush="true" /
/BODY
/HTML
===
%-- b.jsp --%
HTML
BODY
This is page B
/BODY
/HTML
===
%-- c.jsp --%
HTML
BODY
This is page C
/BODY
/HTML
===
%-- date.jsp: --%
%@ page import="java.util.*" %
%= (new java.util.Date() ).toLocaleString() %
% System.out.println("the value is ="+a); %
% out.println("br"); %
% out.println(a); %
=
===
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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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Re: java.sql.exception : network adapter could not able to establ ish connection
There is some limit on the no of connection that can remain open to Oracle.Are you using connection pooling or properly closing the connection after use so that it can be returned to the connection pool Ashwani -- From: Sharat Babu Reply To: [EMAIL PROTECTED] Sent: Wednesday, March 01, 2000 12:15 AM To: [EMAIL PROTECTED] Subject: java.sql.exception : network adapter could not able to establish connection Importance: High I am getting an exception like this . what could be the problem: .livesoftware.jrun.service.ThreadConfigHandler.run(Compiled Code) java.sql.SQLException: The Network Adapter could not establish the connection at java.lang.Throwable.init(Compiled Code) at java.lang.Exception.init(Compiled Code) at java.sql.SQLException.init(Compiled Code) at oracle.jdbc.dbaccess.DBError.check_error(Compiled Code) at oracle.jdbc.driver.OracleConnection.init(Compiled Code) at oracle.jdbc.driver.OracleDriver.getConnectionInstance(Compiled Code) at oracle.jdbc.driver.OracleDriver.connect(Compiled Code) at java.sql.DriverManager.getConnection(Compiled Code) at java.sql.DriverManager.getConnection(Compiled Code) at bu_intranets.energy_prod.pplants.paracon.DbAccess.getDbConnect(DbAccess.ja va :71) at jsp.bu_intranets.energy_prod.pplants.paracon.UnitSystem._jspService(Compil ed Code) at com.livesoftware.jsp.HttpJSPServlet.service(Compiled Code) at com.livesoftware.jsp.JSPServlet.service(Compiled Code) at javax.servlet.http.HttpServlet.service(Compiled Code) at com.livesoftware.jrun.JRun.runServlet(Compiled Code) at com.livesoftware.jrun.JRunGeneric.handleConnection(Compiled Code) at com.livesoftware.jrun.JRunGeneric.handleProxyConnection(Compiled Code) at com.livesoftware.jrun.service.proxy.JRunProxyServiceHandler.handleRequest( Co mpiled Code) at com.livesoftware.jrun.service.ThreadConfigHandler.run(Compiled Code) thanx in advance regards sharat Sharath Babu, Konda. GE Power Systems, Schenectady,NY. Ph: 518-385-2853(0) 518-377-8024(R) Fax:518-385-2739 Home Page: www.geocities.com/sharat22 == = 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: Display PROBLEM in text fields for JSP
Use double quotes to surround the display value. If no quotes are there then only the first continuous token (withoud spaces is picked rest is ignored) Ashwani -- From: Sivakumar S Reply To: Sivakumar S Sent: Sunday, February 27, 2000 5:16 AM To: [EMAIL PROTECTED] Subject: Display PROBLEM in text fields for JSP Hi I'm using a Servlet Bean to retrieve information from the database. The JSP code looks similar to the one below, where "table" is the bean name. input type="TEXT" name=City size="25" value=%=table.getCity()% This has to retrieve CITY value from the database and put it into the text field for editing . If the city is something like "San Jose", then the characters after "San" is getting truncated because the code is interpreted as value = San only. Help needed == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html === 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-Servlet,Servlet-JSP Communication
You can call a servlet from jsp by specifying the url in the action atribute of the form tag. Pass the parmeters either as querystring or use the post method. Use the getParameter function of the request object to obtain the values from the form. You can use response.redirect to call the jsp page. ASHWANI KALRA NIIT LTD. E-Commerce Group, SEB Email : [EMAIL PROTECTED] [EMAIL PROTECTED] Phone :091-11-6203577(D),6203578 -- From: Ajay Kumar Vasireddy Reply To: Ajay Kumar Vasireddy Sent: Saturday, February 26, 2000 1:14 AM To: [EMAIL PROTECTED] Subject: JSP-Servlet,Servlet-JSP Communication Hi All, I've a Login.JSP Page After i enter the user name and password, it has to call a Servlet for login validation. if the login is successful,it'll show some jsp page. if the login not successful,it'll redirect the user to the same login.JSP page with some error message. How should i procced doing this. How to pass parameters from jsp to servlet. How to call a servlet from JSP Page. How to call a JSP Page from a Servlet. Any inputs are appreciated . Is there any good web site where can i get info on JSP other than Sun Site. Thanks in advance Ajay == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: isThreadSafe
This is a page directive that tell the jsp container(If isthreadsafe=false) that concurrent request to my page may have problems of corrupted data and hence the container should put the request in que to prevent any concurrent access. Ashwani -- From: Verma Varun Reply To: [EMAIL PROTECTED] Sent: Thursday, February 24, 2000 1:49 PM To: [EMAIL PROTECTED] Subject: isThreadSafe Hi all! Can somebody please tell me what is meant by %@ page isThreadSafe="false" % i did'nt understand the isThreadSafe property. thnx varun == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: Java in javscript
Hi,
I also want to know if this is possible. Does javascript recognises the
return values from java functions. or is it possible to call the java
function inside the javascript. I have not tried , but my guess is that it
will give you some kind of syntax error.
ASHWANI KALRA
NIIT LTD.
E-Commerce Group, SEB
8, Balaji Estate
Kalka ji,
New Delhl-19.
Email : [EMAIL PROTECTED]
[EMAIL PROTECTED]
Phone :091-11-6203577(D),6203578
--
From: meera nayak
Reply To: meera nayak
Sent: Thursday, February 24, 2000 1:44 PM
To: [EMAIL PROTECTED]
Subject: Java in javscript
Hi room,
I am doing something like this .Trying to call a method in a
java class from javascript.It returns a string .But how does javascript
handle it.Can it handle a parameter returned from the java method.Can it
store it in a variable.
source code
html
head
script
var strMon;
function getMon(){
strMon=document.test.getMonth();
alert("mon",strMon);
}
/script
/head
body
applet name="test" code="rob.class" width=1 height=1
/applet
form
input type=text name=textfield1 value=""
input type=button onclick="getMon();"
form
/body
html
Can anyone help
Thanx in advance
Meera
==
=
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
FAQs on JSP can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
===
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FAQs on JSP can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
Re: outputting a fileinputstream
Instead of using the available method try using some other function to read
bytes and then check it.
Ashwani
--
From: Paul Beer
Reply To: [EMAIL PROTECTED]
Sent: Saturday, February 26, 2000 1:08 AM
To: [EMAIL PROTECTED]
Subject: outputting a fileinputstream
I am trying to load an xml packet off a local directory and display it in
a
jsp template... to no avail... could someone lok at this code and let me
know why it displays nothing ? when i do a string.length() i get 3451 so
I
know it is reading the stream... I just cant output it in JSP.
thanks,
paul
code:
File file = new File("./public_html/xml/cc.xml");
FileInputStream fis = new FileInputStream(file);
byte[] data = new byte[fis.available()];
String strData = new String(data);
out.println(strData);
==
=
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http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
===
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Re: Killing Beans from memory
Try after restarting the server. Ashwani -- From: Corbin Hoenes Reply To: Corbin Hoenes Sent: Tuesday, February 22, 2000 11:51 PM To: [EMAIL PROTECTED] Subject: Killing Beans from memory I have run into a development problem I make a modification to my Bean -- recompile using the jdk compiler and the old bean is still in memory (I think) so the modifications don't take place. I tried a couple of things starting a new browser session and stopping the web server but I can't figure out how to "refresh" my beans. I am using the Win98/NT jswdk1-1.0.1 anyhow know how I can do this? Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: Number of characters read - restriction??
Try using other functions like getInputStream, or getObject.This may help I dont know about this restriction. Also try getString method by changing the contents of the column.May be that column has some character after which string gets truncated. Ashwani -- From: B Alaguselvan Reply To: [EMAIL PROTECTED] Sent: Thursday, February 24, 2000 5:04 AM To: [EMAIL PROTECTED] Subject: Number of characters read - restriction?? Hello all I am using JRun Pro v2.3.3 with IIS for my JSP based programs... Is there any restriction on the number of characters that we can read from the table using the getString() method?? I am reading the content of a varchar column (length=5400) using the getString() method. If the column has more than 5120 charcters, i am getting only the first 5120 characters (this is 640 bytes). is this a restriction??? any pointers will greatly help me... TIA Alagu == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: refreshing problem
Are you always calling the servlet to pick up the data from the database and show it on the form ? Ashwani -- From: Naresh Singh Chhonker Reply To: [EMAIL PROTECTED] Sent: Wednesday, February 23, 2000 2:30 PM To: [EMAIL PROTECTED] Subject: refreshing problem hai I have a problem of refershing Page contents on browser I have Two servlets , One access some values for the form elements from the Data base, display it in respective boxes other servlet Save the post data into database and after saving data it goes to first servlet by calling function of javascript =window.location.href=../../.. But The First Servlet shows perivious data not new saved data into the boxes So Please tell me How Can i solve this problem so theat new Values Comes in boxes thanks in advance naresh == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: refreshing problem
You can use HTTP meta tag pragma cache control for that. But it doesnt work 100% correctly. For that u have to use some logic like when ever u call that page pass one query string variable with a value of unique Number. Regds Ashwani -- From: [EMAIL PROTECTED] Sent: Thursday, February 24, 2000 11:57 AM To: [EMAIL PROTECTED] Subject: RE: refreshing problem This one Solution, But how can i go to each person who is using this page and tell everybody to disable Cookie for thier browers , Is thier any other solution? Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: refreshing problem
Yes , I meant that only. passing a random no wont give any problem. For Netscape I dont know much. I have not tried my jsps on them. Also I am using the get method not post. because the data I am passing is not much.And post method doesnt work properly with my jsps. The another alernative is to use stateful session bean(if you are using EJB). after each post put the data in the bean and you can access the data on the next page without any problems. Ashwani -- From: [EMAIL PROTECTED] Sent: Friday, February 25, 2000 3:40 AM To: [EMAIL PROTECTED] Subject: Re: refreshing problem Hi, You can use HTTP meta tag pragma cache control for that. But it doesnt work 100% correctly. For that u have to use some logic like when ever u call that page pass one query string variable with a value of unique Number. Can you explain this? Someone else once told me this. Do something like: a href="/path/mypage.jsp?randomValue=%= somebean.getRandomValue() %"Click here/a Is that how it would be done? The person I spoke to said this is an "ugly" way of doing it, but it works because each time the value changes, it "forces" the browser to load the page from the server, and thus the META tag isnt needed. One problem I am having is that we use multiple JSP pages, each with a form on them, but all making up one big "sequence" of stuff that needs to be entered before a submission is done at the end. Each next page uses the choices from the previous page to display info from the database. The problem is, in Netscape, the first page is fine, but the next page wont print out because the View Source says it was returned with a POST operation..etc. Very odd problem. Even with mulitple JSP pages, one going to the next, I get this problem. These pages use a JavaBean (session scope) to set/get data to/from, but I dont see why this is a problem. The funny thing is, it only happens when we force the browser to load the pages off the server. We use a META tag. When we dont have that tag, it works fine, but then we get all kinds of caching problems, such as dynamic pages coming from browser cache instead of the server, and often times a "time-out" or something occurs. So, if you have any insight on this problem, I would be much appreciated. Thanks. Kevin Duffey Software Engineer [EMAIL PROTECTED] === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: JSP, Servlets connecting to database with JWSDK or Tomkat
You can user JDBC. See its documentation. No need to configure JSWDK Ashwani -- From: Project Tajikistan Reply To: Project Tajikistan Sent: Tuesday, February 22, 2000 9:30 PM To: [EMAIL PROTECTED] Subject: JSP, Servlets connecting to database with JWSDK or Tomkat Hello, I have just started using JSP and servlets, I would like my servlets to read and write data to a database, however I haven't been able to find any documentation on configuring JWSDK or tomcat to implement this, can anyone point me in the right direction. Thanks in advance. Hoose. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: Browser detection in JSP ??
You can use javascript also and do any conditional manipultion depending on
the type of the browser
Ashwani
--
From: Wallis, Ken
Reply To: espen dallokken
Sent: Tuesday, February 22, 2000 8:11 PM
To: [EMAIL PROTECTED]
Subject: Re: Browser detection in JSP ??
You can retrieve and process the "USER_AGENT" header value from the
incoming
request
For example:
The JSP line: %= request.getHeader ("USER_AGENT") %
prints: Mozilla/4.0 (compatible; MSIE 4.01; Windows NT)
Parse the results instead of print them you will know not only the
browser, but also the version.
-Original Message-
From: espen dallokken
To: [EMAIL PROTECTED]
Sent: 2/22/00 6:58 AM
Subject: Browser detection in JSP ??
I wondered if JSP has support for browser detection in the same way as
ASP
has ??
| || ||| || r a z o r f i s h , oslo
espen dalløkken
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Re: Jsp and servlets sharing sessions ?? How does it work in webl ogic ?
You can use the implicit session object in jsp and the corresponding session object(I dont know , just see documentation for servlets) to access the session variables. Ashwani -- From: vaidyanathan_g Reply To: vaidyanathan_g Sent: Tuesday, February 22, 2000 8:03 PM To: [EMAIL PROTECTED] Subject: Jsp and servlets sharing sessions ?? How does it work in weblogic ? Hi, How can we share sesssion variables between jsps and servlets ?In our application, jsps and servlets are invoked from each other at many places.We want to access session variables in both jsp and servlets. If you have any solution, also let me know whether it is supported by App Server WebLogic 4.5.1 Thanks regards, Vaidyanathan == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: JSP menuing system
Instead of storing in database , you can use include statements in your jsp. Included jsp may contain the generic code that you want to use at many places. Ashwani -- From: needArchitectureHelp Reply To: needArchitectureHelp Sent: Monday, February 21, 2000 10:44 PM To: [EMAIL PROTECTED] Subject: JSP menuing system I'm [attempting to] write a JSP application. I want to use a very "generic" menuing system. For example, have database storing JSP name, heading, instructions, next JSP page to call. When JSP page is called, access database for the appropriate information. Does this make sense? What Java method should I use to determine the current JSP page? Is there a better way? == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: HTML from a bean?
My suggestion is just get the columns from the ejb. And do all formatting in jsp.Which provides more flexibility. Ashwani -- From: D. J. Hagberg Reply To: [EMAIL PROTECTED] Sent: Sunday, February 20, 2000 2:28 AM To: [EMAIL PROTECTED] Subject: Re: HTML from a bean? A couple possibilities: - returning an array of Strings (or Objects with appropriate toString methods) works well if you know your result sets will be small and that the creation of a bunch of temporary objects is not a huge deal. - for larger or unknown-length result sets, you might consider providing accessor methods so that the .jsp page can simply get the java.sql.ResultSet, though you will need to wrap things in a try/finally block inside the .jsp to ensure the underlying Statement is close()'d before you return. - As an alternative to providing direct access to the ResultSet, which can be ugly for .jsp artist-types to program, you could wrap the ResultSet with a kinder/gentler type of enumerated interface. Same problem with needing a try/finally block in the .jsp page to close things up. -=- D. J. John Parrish wrote: What is the preferred method of generating HTML back to a JSP page from a bean? I was thinking about possibly returning a String array containing lines to be outputted and having JSP code loop and print. My scenario would be a bean that executes an SQL query and generates and HTML table with the results. I am very new to JSP so if I need prodding in a different direction, by all means prod! :) Regards == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: Request.Form in JSP
Request.getParameter is the equivalent. Ashwani -- From: Kate S. Reply To: [EMAIL PROTECTED] Sent: Saturday, February 19, 2000 11:31 PM To: [EMAIL PROTECTED] Subject: Request.Form in JSP Hi all, I have a newbie question. What is equal to ASP's Request.Form in JSP? Do they have a comparative chart or something like that? I've done some ASP and have to begin project in JSP. Suthawan Sukhum == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: Applet and Servlet Communication
You can use url object and pass it the parameters like query string in http request. Ashwani -- From: Chad Darby Reply To: Chad Darby Sent: Friday, February 18, 2000 1:03 PM To: [EMAIL PROTECTED] Subject: Applet and Servlet Communication how to pass info between applet and servlet using HTTP? The article below provides a complete tutorial for applet and servlet communication using HTTP: - http://www.j-nine.com/pubs/applet2servlet -- --- Chad (shod) Darby|J9 Consulting, Inc. [EMAIL PROTECTED] |http://www.j-nine.com --- Info on my upcoming presentation: --- "Developing Web Apps w/ JSP XML" - Evolve 2000 - Feb 28, 2000 in Sydney, Australia - http://www.dstc.edu.au --- == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: adding methods in a JSP page
All the code that you write that is send to the client browser is given to
jsp service method. You can write a function in following way and it will
become the member function of the resulting jsp.
%! void function1()
{
}
%
--
From: Sandy Tiu
Reply To: Sandy Tiu
Sent: Saturday, February 19, 2000 12:48 AM
To: [EMAIL PROTECTED]
Subject: adding methods in a JSP page
Is it possible to add methods inside a JSP page.
i.e.
%
int maxRow = 2;
int maxIdx = 0;
dbAccess();
private void dbAccess(){
}
%
Thanks.
Sandy Tiu
Bank United
Emerging Technologies Engr.
__
Get Your Private, Free Email at http://www.hotmail.com
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Re: return from bean
Yes you can. I am doing it in my EJB. Just call the fucntion and assign the return value to ur jsp String array varible. Ashwani -- From: Sanjay Mistry Reply To: Sanjay Mistry Sent: Friday, February 18, 2000 9:30 AM To: [EMAIL PROTECTED] Subject: return from bean hello guys, Well using getXXX() method of a bean, can i return an arrary of string in the JSP Page ? if yes, how can I ? Any help on link would be fine. Thanks. Sanjay Mistry __ NetZero - Defenders of the Free World Get your FREE Internet Access and Email at http://www.netzero.net/download/index.html == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: ip address
You can call the request.getRemoteHost() function which returns you the string equivalent of the Client IP address. Ashwani -- From: Simon Jakesch Reply To: Simon Jakesch Sent: Thursday, February 17, 2000 11:42 AM To: [EMAIL PROTECTED] Subject: ip address hi, i wondered if there is a way to get the ip address of a remote sending an request to the jsp? shouldn't be a big deal? just need a quick tip no examples or something thanks guys, bye, simon == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
Re: Help!!!
Make ur bean statefull. And for the first query put all the results in the vector. and when user presses next and prev buttons extract the specifies no of records from it and return to jsp. You have to maintain the current row pointer for that in ur bean Regds Ashwani -- From: Donald E. Vandenbeld Reply To: Donald E. Vandenbeld Sent: Saturday, February 19, 2000 4:24 AM To: [EMAIL PROTECTED] Subject: Re: Help!!! I have a similar situation. My initial thought is to create a Vector object and store it in the session. Another session variable would keep track of what 'page' you are on. This enables you to move back and forth through the pages without querying the database each time. Would it be wise to make this Vector object kind of a result set object that could be used for several different listing JSPs throughout the site? I should state, though, that if you have a busy site (lots of concurrent users) and are returning huge result sets, this would eat up memory like crazy. Donald - Original Message - From: "OG Project(Chennai)" [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, February 17, 2000 6:06 AM Subject: Help!!! Hi All, How do I display (say) 100 records from the database in the same JSP page while restricting the nos. of displayed datas to 20 at a time on the page. Something like a search page where you get hundreds of matches and displays 20 at a time and with links for the rest. Regards Subendu == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
No Subject
Hi all Its sort of urgent ; I have three links on a page(jsp) which points to this page itself. but as far as i know if the page is cache it is picked up from there not from the server. so i want to expire the page so that when the link is clicked the page is picked up from the server. It must be small command of html or ??? jsp. please let me know if any one have done something similar. Exact syntax will be of great help Thanks === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
pragma cache control meta tag
Hi, pragma header doesn't work properly , is ther any other solution ??? -- From: Stefan van den Oord[SMTP:[EMAIL PROTECTED]] Reply To: Stefan van den Oord Sent: Monday, February 07, 2000 7:41 PM To: [EMAIL PROTECTED] Importance: High Hi Ashwani, If you include the following directive in your page, the browser will not cahce it: META HTTP-EQUIV="Pragma" CONTENT="no-cache" -- Stefan van den Oord [EMAIL PROTECTED] From: Ashwani Kalra [EMAIL PROTECTED] Reply-To: [EMAIL PROTECTED] Date: Mon, 7 Feb 2000 19:25:02 +0530 To: [EMAIL PROTECTED] Hi all Its sort of urgent ; I have three links on a page(jsp) which points to this page itself. but as far as i know if the page is cache it is picked up from there not from the server. so i want to expire the page so that when the link is clicked the page is picked up from the server. It must be small command of html or ??? jsp. please let me know if any one have done something similar. Exact syntax will be of great help Thanks == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html == = To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
No Subject
Hi all This question was asked yeaterday. Is there any way to track if user has pressed the refresh button of the browser.I want to ignore that request ??? Any idea Thanks Ashwani === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
JSP form get method
Hi, I want to access the information from jsp form on the next page. I cannot use the post method because I am conditionally going to the next page. So i am using get method using query string. But query string has limitation of the data u send after the ? mark. Any solution for this Ashwani === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
diplay of records page by page
Hi, Rajiv has given me the solution for diplaying the records page by page(say 10 records per page). But Once i get all the records from the database i dont want to use my EJB to do any thing. I just want those records obtained in a vector or array to be displayed page by page Has any body more ideas ??? thanks Ashwani Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
important for all jsp developers
Hi all , Can any body provide some information for the following situation ? Since JSP page is compiled into the servlet class that has only one instance(normally) and initilized only once. All the variables declared using %! % tags become the part of the member variables of the servlet class(i.e. page implementation class). Now consider follwing scenario. I have declared one int variable and initilized to 0. My first http request to this variable sets to some other value say 100.Now my question is that if i make another request to same page and display this variable . What will be ouptput 0 or 100.(looks that it should be 100 but this will create problem for me. because my second request is expecting 0 value to be used in calculation.) can any Body suggest a solution for this so that each page will have its own value. eagerly waiting for reply Thanks and Regds Ashwani Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
webserver and ejb server on different machines
Hi, What settings and things have to be taken care of if my jsp pages are running on one machine using beans on other machine. Thanks Ashwani Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
jsp variables scope
Hi all One basic question. What is the scope the variable that are declared using %! % tags when that page is compiled into servelet. Is it private, public , protected.can some other servelet or jsp access those variables. Thanks Ashwani Visit http://www.niit.com for eCommerce Solutions. === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
EJB developers
Hi all, Please tell me what is the difference between object and instance in EJB context. As the text on ejb says that when ever client request comes container pickup instance from pool and links it to the ejb object. This means intance of the class and ejb object are different in EJB. Any clarifications? Thanx Ashwani === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
No Subject
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No Subject
Hi, every body, can any body tell me the steps to set up the j2ee server for testing my Ejbs Ashwani === To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST". FAQs on JSP can be found at: http://java.sun.com/products/jsp/faq.html http://www.esperanto.org.nz/jsp/jspfaq.html
