PK19268: SIMULTANEOUS JSP COMPILES CAN RESULT IN AN EXCEPTION BEING RECORDED IN THE FFDC LOGS AND A 500 RESPONSE TO THE BROWSER. | |||||||||||||||||||||||||||||||||||||||||||
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![]() APAR status Closed as program error. Error description 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)Local fix Using the JspBatchCompiler after making JSP changes can prevent the problem from occuring.Problem summary **************************************************************** * USERS AFFECTED: All users of WebSphere Application Server * * V5.0 for z/OS * **************************************************************** * PROBLEM DESCRIPTION: When JSPs compile on demand * * simultaneously, a NullPointerException * * occurs and the client gets a 500 Error * * Page. * **************************************************************** * RECOMMENDATION: * **************************************************************** Simultaneously compiling JSPs made a conflict on a static object. The object reference cannot be shared and thus cannot be static.Problem conclusion Made the object reference and corresponding methods non static to resolve the problem. APAR PK19268 is associated with SERVICE LEVEL W502039 of WebSphere Application Server V5.0 for z/OS.Temporary fix Comments
APAR is sysrouted FROM one or more of the following: PQ83756 APAR is sysrouted TO one or more of the following: Modules/Macros
Publications Referenced
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Document Information |
Current web document: swg1PK19268.html
Product categories: Software > Application Servers >
Distributed Application & Web Servers > WebSphere Application
Server for z/OS
Operating system(s):
Software version: 500
Software edition:
Reference #: PK19268
IBM Group: Software Group
Modified date: Apr 5, 2006
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