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Posted to dev@synapse.apache.org by "Asankha C. Perera (JIRA)" <ji...@apache.org> on 2008/06/04 06:12:45 UTC
[jira] Updated: (SYNAPSE-341) System unstable when HTTP response
returned before request fully written
[ https://issues.apache.org/jira/browse/SYNAPSE-341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Asankha C. Perera updated SYNAPSE-341:
--------------------------------------
Fix Version/s: 1.3
Assignee: Asankha C. Perera
Does the remote service send a "Connection: close" header? Can you post a trace of the response received as well
> System unstable when HTTP response returned before request fully written
> ------------------------------------------------------------------------
>
> Key: SYNAPSE-341
> URL: https://issues.apache.org/jira/browse/SYNAPSE-341
> Project: Synapse
> Issue Type: Bug
> Components: Transports
> Affects Versions: 1.2-beta1
> Environment: All environments
> Reporter: Jake Lambert
> Assignee: Asankha C. Perera
> Priority: Critical
> Fix For: 1.3
>
>
> When using a proxy service and HTTP-NIO the following error is repeatedly generated when a remote WS returns its response before the request is fully written (i.e. when AXIOM is being used by the target service to parse the request XML and the request includes unprocessed attachment(s) or a fault occurs before fully reading the request):
> I/O dispatcher 12: System may be unstable: IOReactor encountered a runtime exception : null
> java.lang.NullPointerException
> at org.apache.synapse.transport.nhttp.ClientHandler.outputReady(ClientHandler.java:353)
> at org.apache.http.impl.nio.DefaultNHttpClientConnection.produceOutput(DefaultNHttpClientConnection.java:170)
> at org.apache.http.impl.nio.DefaultClientIOEventDispatch.outputReady(DefaultClientIOEventDispatch.java:105)
> at org.apache.http.impl.nio.reactor.BaseIOReactor.writable(BaseIOReactor.java:114)
> at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:198)
> at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:180)
> at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:142)
> at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:70)
> at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:318)
> at java.lang.Thread.run(Unknown Source)
> The actual cause is the ConnectionPool 'cleanConnectionReferences()' method, which clears the REQUEST_SOURCE_BUFFER upon completion of the response HTTP decoding, rather than on completion of both the request AND response processing.
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