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From "Oleg Kalnichevski (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPASYNC-6) 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
Date Tue, 22 Nov 2011 12:38:39 GMT

    [ https://issues.apache.org/jira/browse/HTTPASYNC-6?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13155052#comment-13155052
] 

Oleg Kalnichevski commented on HTTPASYNC-6:
-------------------------------------------

Works for me without any problem.

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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