PQ83756: Simultaneous JSP compiles can result in an Exception
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Abstract
When JSPs compile on demand simultaneously, a NullPointerException occurs and the client gets a 500 Error Page.
 
Download Description
USERS AFFECTED: WebSphere Application Server JSP users.

PROBLEM DESCRIPTION:

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

The following will be recorded in the FFDC log file:
------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)

Simultaneous compiling JSPs made a conflict on a static object.
The object reference can't be shared and thus can't be static.
 
Prerequisites
Please download the UpdateInstaller below to install this fix.
 
URL LANGUAGE SIZE(Bytes)
UpdateInstaller US English 7000000
 
 
Installation Instructions
Please review the readme.txt for detailed installation instructions.
 
URL LANGUAGE SIZE(Bytes)
Readme US English 1861
 
Download package
What is DD?
Download RELEASE DATE LANGUAGE SIZE(Bytes) Download Options
PQ83756 1/30/2004 US English 33391 FTP DD
 
Technical support
1-800-IBM-SERV (U.S. Only)
 
Cross Reference information
Segment Product Component Platform Version Edition
Application Servers Runtimes for Java Technology Java SDK
Problems (APARS) fixed
PQ83756
 
 


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server > JSP
Operating system(s): Windows
Software version: 5.0.2.2
Software edition:
Reference #: 4006325
IBM Group: Software Group
Modified date: Aug 17, 2004