Hi everybody on the list!
We observed a strange tomcat behavior (tomcat 4.1.24) while running a servlet:
Everything works fine some days or even weeks. Suddenly (and at random time) tomcat
throws the following exceptions:
2003-10-08 11:44:48 CoyoteAdapter An exception or error occurred in the container
during the request processing
java.lang.NullPointerException
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:164)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:484)
This exception occurs some times. Suddenly tomcat throws another exception:
2003-10-08 11:46:44 CoyoteAdapter An exception or error occurred in the container
during the request processing
java.lang.NullPointerException
at java.lang.String.charAt(String.java:509)
at org.apache.tomcat.util.buf.ByteChunk.indexOf(ByteChunk.java:669)
at org.apache.coyote.tomcat4.CoyoteAdapter.normalize(CoyoteAdapter.java:578)
at
org.apache.coyote.tomcat4.CoyoteAdapter.postParseRequest(CoyoteAdapter.java:280)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:221)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:484)
Note that there are no user defined classes in the stacktrace. What's the reason of
this behavior?
Regards
Ralf
*********************************************************************
OptiSoft GmbH Ralf Bechtel
Pforzheimer Str. 68a mail : [EMAIL PROTECTED]
D-75242 Neuhausen phone: +49 7234 9518-51
http://www.optisoft.de fax : +49 7234 9518-44
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