subject:"Re\: Problem loading a Java class"

Re: Problem loading a Java class

2000-05-17 Thread Joseph Okomba


I have put the class in Tomcat's CLASSPATH. But I am not getting a different
type of error now (listed below). I don't get this error when calling the
class from command prompt. Is there something I am missing out?

Error

===
Internal Servlet Error:
javax.servlet.ServletException:
at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
l.java:386)
at
_0002findex_0002ejspindex_jsp_92._jspService(_0002findex_0002ejspindex_jsp_9
2.java:358)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
va:174)
at
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java,
Compiled Code)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java,
Compiled Code)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
at
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
(Ajp12ConnectionHandler.java:156)
at
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java,
Compiled Code)
at java.lang.Thread.run(Thread.java:479)
Root cause:
java.lang.NullPointerException:
at
_0002findex_0002ejspindex_jsp_92._jspService(_0002findex_0002ejspindex_jsp_9
2.java:103)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
va:174)
at
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java,
Compiled Code)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java,
Compiled Code)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
at
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
(Ajp12ConnectionHandler.java:156)
at
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java,
Compiled Code)
at java.lang.Thread.run(Thread.java:479)


End error



 -Original Message-
 From: Donald Vandenbeld [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, May 16, 2000 9:58 PM
 To:   [EMAIL PROTECTED]
 Subject:  Re: Problem loading a Java class

 Make sure that the CheckUser.class file is in Tomcat's CLASSPATH.

 Joseph Okomba wrote:

  Help please. I am new to JSP and Tomcat.
 
  I have written a Java class which compiles and runs properly from the
  command prompt, but gives errors when I try to load it in a JSP file.
 This
  is how I am loading the class:
 
  %@ page session="true" %
  %@ page language="java" import="java.io.*" %
  jsp:useBean id="checkUser" scope="request" class="CheckUser" /
  %
  boolean permit = false;
   String strUserid = request.getParameter("userid");
   String strPasswd = request.getParameter("passwd");
 
  if ((strUserid.equals("")) || (strPasswd.equals(""))){
  permit = false;
  } else {
 
  permit = checkUser.authenticate(strUserid, strPasswd);
 
  } //end-else
 
  if(!permit){  // the user has permission
  %
  jsp:forward page="login.jsp?userid=%=strUserid %" /
  %
  } //end if
  else {
  %
 
  And the following is the error I am getting:
 
  Internal Servlet Error:
  org.apache.jasper.JasperException: Unable to compile class for
 
 JSPE:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspind
 ex
  _jsp_92.java:74: Class CheckUser not found.
  CheckUser checkUser = null;
  ^
 
 E:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex_
 js
  p_92.java:77: Class CheckUser not found.
  checkUser= (CheckUser)
  ^
 
 E:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex_
 js
  p_92.java:82: Class CheckUser not found.
  checkUser = (CheckUser)
  Beans.instantiate(getClassLoader(), "CheckUser");
   ^
  3 errors
 
  I will appreciate any assistance.
 
 
 ==
 =
  To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
 JSP-INTEREST".
  Some relevant FAQs on JSP/Servlets can be fou

Re: Problem loading a Java class

2000-05-16 Thread Donald Vandenbeld


Make sure that the CheckUser.class file is in Tomcat's CLASSPATH.

Joseph Okomba wrote:

 Help please. I am new to JSP and Tomcat.

 I have written a Java class which compiles and runs properly from the
 command prompt, but gives errors when I try to load it in a JSP file. This
 is how I am loading the class:

 %@ page session="true" %
 %@ page language="java" import="java.io.*" %
 jsp:useBean id="checkUser" scope="request" class="CheckUser" /
 %
 boolean permit = false;
  String strUserid = request.getParameter("userid");
  String strPasswd = request.getParameter("passwd");

 if ((strUserid.equals("")) || (strPasswd.equals(""))){
 permit = false;
 } else {

 permit = checkUser.authenticate(strUserid, strPasswd);

 } //end-else

 if(!permit){  // the user has permission
 %
 jsp:forward page="login.jsp?userid=%=strUserid %" /
 %
 } //end if
 else {
 %

 And the following is the error I am getting:

 Internal Servlet Error:
 org.apache.jasper.JasperException: Unable to compile class for
 JSPE:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex
 _jsp_92.java:74: Class CheckUser not found.
 CheckUser checkUser = null;
 ^
 E:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex_js
 p_92.java:77: Class CheckUser not found.
 checkUser= (CheckUser)
 ^
 E:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex_js
 p_92.java:82: Class CheckUser not found.
 checkUser = (CheckUser)
 Beans.instantiate(getClassLoader(), "CheckUser");
  ^
 3 errors

 I will appreciate any assistance.

 ===
 To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
 Some relevant FAQs on JSP/Servlets can be found at:

  http://java.sun.com/products/jsp/faq.html
  http://www.esperanto.org.nz/jsp/jspfaq.html
  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: Problem loading a Java class

2000-05-16 Thread Robert Nicholson

Try importing the CheckUser class?

- Original Message -
From: "Joseph Okomba" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, May 16, 2000 10:08 AM
Subject: Problem loading a Java class

 Help please. I am new to JSP and Tomcat.

 I have written a Java class which compiles and runs properly from the
 command prompt, but gives errors when I try to load it in a JSP file. This
 is how I am loading the class:

 %@ page session="true" %
 %@ page language="java" import="java.io.*" %
 jsp:useBean id="checkUser" scope="request" class="CheckUser" /
 %
 boolean permit = false;
  String strUserid = request.getParameter("userid");
  String strPasswd = request.getParameter("passwd");

 if ((strUserid.equals("")) || (strPasswd.equals(""))){
 permit = false;
 } else {

 permit = checkUser.authenticate(strUserid, strPasswd);

 } file://end-else

 if(!permit){  // the user has permission
 %
 jsp:forward page="login.jsp?userid=%=strUserid %" /
 %
 } file://end if
 else {
 %

 And the following is the error I am getting:

 Internal Servlet Error:
 org.apache.jasper.JasperException: Unable to compile class for

JSPE:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex
 _jsp_92.java:74: Class CheckUser not found.
 CheckUser checkUser = null;
 ^

E:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex_js
 p_92.java:77: Class CheckUser not found.
 checkUser= (CheckUser)
 ^

E:\jakarta-tomcat\work\localhost_8080%2Fmembers\_0002findex_0002ejspindex_js
 p_92.java:82: Class CheckUser not found.
 checkUser = (CheckUser)
 Beans.instantiate(getClassLoader(), "CheckUser");
  ^
 3 errors

 I will appreciate any assistance.

===
 To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
 Some relevant FAQs on JSP/Servlets can be found at:

  http://java.sun.com/products/jsp/faq.html
  http://www.esperanto.org.nz/jsp/jspfaq.html
  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: Problem loading a Java class

Re: Problem loading a Java class

Re: Problem loading a Java class

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