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https://issues.apache.org/jira/browse/SYNAPSE-1064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15777800#comment-15777800
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Isuru Udana Loku Narangoda commented on SYNAPSE-1064:
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{code}
263 if (this.contentDecoder != null && (this.session.getEventMask() &
SelectionKey.OP_READ) > 0) {
264 handler.inputReady(this, this.contentDecoder);
265 if (this.contentDecoder.isCompleted()) {
266 // Response entity received
267 // Ready to receive a new response
268 resetInput();
269 }
270 }
{code}
>From the above code snippet in DefaultNHttpClientConnection.java of HTTP Core
>NIO 4.3.3, only possibility is between line 263 and 265, another thread has
>made the contentDecoder to null. Looks like same connection is shared between
>multiple threads.
> NullPointerException exception occurred while testing the JMS to HTTP
> scenarios with the high load
> ---------------------------------------------------------------------------------------------------
>
> Key: SYNAPSE-1064
> URL: https://issues.apache.org/jira/browse/SYNAPSE-1064
> Project: Synapse
> Issue Type: Bug
> Components: Transports
> Reporter: prabath ariyarathna
> Assignee: Hiranya Jayathilaka
> Priority: Blocker
>
> 1. Occured following NullPointerException while testing the sample
> 250(JMS-HTTP)
> 2016-12-26 13:09:47,439 [-] [HTTP-PT-Sender I/O Dispatcher-4] ERROR
> TargetHandler Unexpected exception encountered in TargetHandler
> java.lang.NullPointerException
> at
> org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:265)
> at
> org.apache.http.impl.nio.DefaultHttpClientIODispatch.onInputReady(DefaultHttpClientIODispatch.java:165)
> at
> org.apache.http.impl.nio.DefaultHttpClientIODispatch.onInputReady(DefaultHttpClientIODispatch.java:51)
> at
> org.apache.http.impl.nio.reactor.AbstractIODispatch.inputReady(AbstractIODispatch.java:113)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:159)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:338)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:316)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:277)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:105)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:586)
> at java.lang.Thread.run(Thread.java:745)
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