https://issues.apache.org/bugzilla/show_bug.cgi?id=53075
Bug #: 53075
Summary: [websocket] Sporadic NPE in InternalOutputBuffer
Product: Tomcat 7
Version: trunk
Platform: PC
OS/Version: Mac OS X 10.4
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: jfarc...@apache.org
Classification: Unclassified
The following exception sporadically occurs with WebSocket
2012-04-13 09:43:54,919 DEBUG [Atmosphere-AsyncWrite-0] -
o.atmosphere.cpr.DefaultBroadcaster : onException()
java.lang.NullPointerException: null
at
org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:215)
~[tomcat-coyote.jar:7.0.27]
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:462)
~[tomcat-coyote.jar:7.0.27]
at
org.apache.coyote.http11.InternalOutputBuffer.flush(InternalOutputBuffer.java:119)
~[tomcat-coyote.jar:7.0.27]
at
org.apache.coyote.http11.AbstractHttp11Processor.action(AbstractHttp11Processor.java:789)
~[tomcat-coyote.jar:7.0.27]
at org.apache.coyote.Response.action(Response.java:174)
~[tomcat-coyote.jar:7.0.27]
at
org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:341)
~[catalina.jar:7.0.27]
at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:306)
~[catalina.jar:7.0.27]
at org.apache.catalina.connector.CoyoteWriter.flush(CoyoteWriter.java:98)
~[catalina.jar:7.0.27]
at
org.atmosphere.handler.AbstractReflectorAtmosphereHandler.onStateChange(AbstractReflectorAtmosphereHandler.java:130)
~[atmosphere-runtime-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
at
org.atmosphere.cpr.DefaultBroadcaster.broadcast(DefaultBroadcaster.java:816)
[atmosphere-runtime-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
at
org.atmosphere.cpr.DefaultBroadcaster.executeAsyncWrite(DefaultBroadcaster.java:731)
[atmosphere-runtime-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
at org.atmosphere.cpr.DefaultBroadcaster$3.run(DefaultBroadcaster.java:764)
[atmosphere-runtime-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
[na:1.6.0_29]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
[na:1.6.0_29]
at java.util.concurrent.FutureTask.run(FutureTask.java:138) [na:1.6.0_29]
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
[na:1.6.0_29]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
[na:1.6.0_29]
at java.lang.Thread.run(Thread.java:680) [na:1.6.0_29]
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