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https://issues.apache.org/jira/browse/HTTPASYNC-6?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPASYNC-6.
---------------------------------------
Resolution: Fixed
Menno,
I applied a fix for the problem to SVN trunk. However, since there was no
reliable reproducer the fix is based on my assumption as to what the cause
might have been. It would be great if you could reproduce the problem with the
wire / context logging turned on and attach the log to this ticket.
Please re-test your application against the latest SVN snapshot to verify the
fix.
Oleg
> I/O reactor (client) terminates abnormally when a connection is prematurely
> closed probably because of timeout settings. A NullpointerException is thrown
> when a response is being read and the connection is already closed and set to
> null
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HTTPASYNC-6
> URL: https://issues.apache.org/jira/browse/HTTPASYNC-6
> Project: HttpComponents HttpAsyncClient
> Issue Type: Bug
> Affects Versions: 4.0-alpha2
> Environment: Windows Vista , Sun Java SDK 1.6.0_26
> Reporter: Menno van Gangelen
> Priority: Critical
> Fix For: 4.0-alpha3
>
>
> The following line should have a check for null.
> org.apache.http.impl.nio.client.DefaultAsyncRequestDirector.responseCompleted(DefaultAsyncRequestDirector.java:366);
> => if (this.managedConn.isOpen()) {
> Hard to reproduce as it seems to be a racing issue when reading from slow
> websites.
> 2011-09-03 10:40:53,312 [I/O dispatcher 2] ERROR DefaultHttpAsyncClient -
> Fatal runtime error
> java.lang.NullPointerException
> at
> org.apache.http.impl.nio.client.DefaultAsyncRequestDirector.responseCompleted(DefaultAsyncRequestDirector.java:366)
> at
> org.apache.http.impl.nio.client.NHttpClientProtocolHandler.processResponse(NHttpClientProtocolHandler.java:357)
> at
> org.apache.http.impl.nio.client.NHttpClientProtocolHandler.inputReady(NHttpClientProtocolHandler.java:196)
> at
> org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:172)
> at
> org.apache.http.impl.nio.client.InternalClientEventDispatch.inputReady(InternalClientEventDispatch.java:76)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:161)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:335)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:315)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:275)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:542)
> at java.lang.Thread.run(Thread.java:662)
> 2011-09-03 10:40:53,692 [Thread-4] ERROR DefaultHttpAsyncClient - I/O reactor
> terminated abnormally
> org.apache.http.nio.reactor.IOReactorException: I/O dispatch worker
> terminated abnormally
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:321)
> at
> org.apache.http.impl.nio.conn.PoolingClientConnectionManager.execute(PoolingClientConnectionManager.java:91)
> at
> org.apache.http.impl.nio.client.AbstractHttpAsyncClient.doExecute(AbstractHttpAsyncClient.java:441)
> at
> org.apache.http.impl.nio.client.AbstractHttpAsyncClient.access$000(AbstractHttpAsyncClient.java:95)
> at
> org.apache.http.impl.nio.client.AbstractHttpAsyncClient$1.run(AbstractHttpAsyncClient.java:462)
> Caused by: java.lang.NullPointerException
> at
> org.apache.http.impl.nio.client.DefaultAsyncRequestDirector.responseCompleted(DefaultAsyncRequestDirector.java:366)
> at
> org.apache.http.impl.nio.client.NHttpClientProtocolHandler.processResponse(NHttpClientProtocolHandler.java:357)
> at
> org.apache.http.impl.nio.client.NHttpClientProtocolHandler.inputReady(NHttpClientProtocolHandler.java:196)
> at
> org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:172)
> at
> org.apache.http.impl.nio.client.InternalClientEventDispatch.inputReady(InternalClientEventDispatch.java:76)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:161)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:335)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:315)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:275)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:542)
> at java.lang.Thread.run(Thread.java:662)
> Subsequent calls fail with the following exception
> java.util.concurrent.ExecutionException: java.lang.IllegalStateException:
> Client has been shut down
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