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From "Trustin Lee (JIRA)" <j...@apache.org>
Subject [jira] Created: (DIRSEDA-20) NPE is thrown when ProtocolEvent is not passed fast enough
Date Sun, 31 Oct 2004 02:43:32 GMT
NPE is thrown when ProtocolEvent is not passed fast enough
----------------------------------------------------------

         Key: DIRSEDA-20
         URL: http://issues.apache.org/jira/browse/DIRSEDA-20
     Project: Seda Framework
        Type: Bug
    Reporter: Trustin Lee
 Assigned to: Trustin Lee 


Current test case occationally throws NPE:

java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.seda.event.AbstractSubscriber.inform(AbstractSubscriber.java:116)
	at org.apache.seda.decoder.DefaultDecoderManager.inform(DefaultDecoderManager.java:102)
	at org.apache.seda.event.DefaultEventRouter.publish(DefaultEventRouter.java:229)
	at org.apache.seda.event.DefaultEventRouter.publish(DefaultEventRouter.java:184)
	at org.apache.seda.listener.TCPListenerManager.run(TCPListenerManager.java:357)
	at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
	at org.apache.seda.decoder.DefaultDecoderManager.createDecoder(DefaultDecoderManager.java:164)
	at org.apache.seda.decoder.DefaultDecoderManager.inform(DefaultDecoderManager.java:181)
	... 10 more
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.seda.event.AbstractSubscriber.inform(AbstractSubscriber.java:116)
	at org.apache.seda.encoder.DefaultEncoderManager.inform(DefaultEncoderManager.java:89)
	at org.apache.seda.event.DefaultEventRouter.publish(DefaultEventRouter.java:229)
	at org.apache.seda.event.DefaultEventRouter.publish(DefaultEventRouter.java:184)
	at org.apache.seda.listener.TCPListenerManager.run(TCPListenerManager.java:357)
	at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
	at org.apache.seda.encoder.DefaultEncoderManager.createEncoder(DefaultEncoderManager.java:139)
	at org.apache.seda.encoder.DefaultEncoderManager.inform(DefaultEncoderManager.java:156)
	... 10 more


It seems that NPE thrown when AddProtoclEvent is not passed soon enough.  Do we need any synchronization
method here?

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