Fix (APAR):  PQ83756

Status:  Fix

Release:  5.0.2.2,5.0.2.1,5.0.2

Operating System:  All

Supersedes Fixes:  

CMVC Defect:  PQ83756

Byte size of APAR:  33391

Date: 2004-01-30

Abstract:  When JSPs compile on demand simultaneously, a NullPointerException occurs and the client gets a 500 Error Page. 

Description/symptom of problem:  The client will receive a 500 error, and the FFDC logs will conatin the following exception:
				 ------Start of DE processing------ = [04.01.21 11:51:08:595 EST]
				 key = java.lang.NullPointerException
				 com.ibm.ws.webcontainer.jsp.servlet.JspServlet.loadJSP 815
				 Exception = java.lang.NullPointerException
				 Source = com.ibm.ws.webcontainer.jsp.servlet.JspServlet.loadJSP probeid = 815
				 Stack Dump = java.lang.NullPointerException
				 at org.apache.jasper.compiler.JspLineMapItem.setEndServletLnr(JspLineMapItem.java(Inlined Compiled Code))
				 at org.apache.jasper.compiler.JakartaCommentGenerator.endLineMap(JakartaCommentGenerator.java(Compiled Code))
				 at org.apache.jasper.compiler.JakartaCommentGenerator.generateEndComment(JakartaCommentGenerator.java(Inlined Compiled Code))
				 at com.ibm.ws.webcontainer.jsp.compiler.IBMCommentGenerator.generateEndComment(IBMCommentGenerator.java(Compiled Code))
				 at org.apache.jasper.compiler.JspParseEventListener$GeneratorWrapper.generate(JspParseEventListener.java(Compiled Code))
				 at org.apache.jasper.compiler.JspParseEventListener.generateAll(JspParseEventListener.java(Compiled Code))
				 at org.apache.jasper.compiler.JspParseEventListener.endPageProcessing(JspParseEventListener.java:292)


Directions to apply fix:  

NOTE:  YOU MUST FIRST DOWNLOAD THE UPDATE INSTALLER TOOL IN ORDER TO INSTALL A FIX.
       The Fix Installer can be downloaded from the following link:
       http://www-3.ibm.com/software/webservers/appserv/support/index.html

1) Create temporary "fix" directory to store the jar file:
             UNIX: /tmp/WebSphere/fix
          Windows: c:\temp\WebSphere\fix

2) Copy jar file to the directory

3) Shutdown WebSphere

4) Follow the Fix installation instructions that are packaged with the Fix Installer on how to install the Fix.

5) Restart WebSphere

6) The temp directory may be removed.



Directions to remove fix:  
NOTE:  FIXES MUST BE REMOVED IN THE ORDER THEY WERE APPLIED.  DO NOT REMOVE A FIX UNLESS
     ALL FIXES APPLIED AFTER IT HAVE FIRST BEEN REMOVED.  YOU MAY REAPPLY ANY REMOVED FIX.

Example:  If your system has fix1, fix2, and fix3 applied in that order and fix2 is to be
          removed, fix3 must be removed first, fix2 removed, and fix3 re-applied.


1) Shutdown WebSphere

2) Follow the instructions that are packaged with the Fix Installer on how to uninstall the Fix.

3) Restart WebSphere



Directions to re-apply fix:  
1) Shutdown WebSphere

2) Follow the Fix instructions that are packaged with the Fix Installer on how to uninstall and reinstall the Fix.

3) Restart WebSphere





Additional Information: