https://issues.apache.org/bugzilla/show_bug.cgi?id=51883
Bug #: 51883
Summary: NullPointerException in StandardContextValve.invoke
Product: Tomcat 7
Version: 7.0.19
Platform: PC
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: stfigh...@mail.ru
Classification: Unclassified
>From time to time I get NullPointerException in StandardContextValve during
Comet-based application. After this the request isn't handled correctly. Here
is the stack trace. This issue pops up periodically, but inconsistently, I
cannot describe how to reproduce it. Here is the exception stack trace.
23.09.2011 16:48:44 org.apache.catalina.connector.CoyoteAdapter service
SEVERE: An exception or error occurred in the container during the request
processing
java.lang.NullPointerException
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:124)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:851)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
at
org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:313)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1544)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
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