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Posted to dev@synapse.apache.org by "Ruwan Linton (JIRA)" <ji...@apache.org> on 2009/11/24 09:24:39 UTC

[jira] Resolved: (SYNAPSE-592) If a url with a space submitted to the synapse, nhttp transport goes in to an infinite loop

     [ https://issues.apache.org/jira/browse/SYNAPSE-592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruwan Linton resolved SYNAPSE-592.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 1.3

Already addressed with the SYNAPSE-584

> If a url with a space submitted to the synapse, nhttp transport goes in to an infinite loop
> -------------------------------------------------------------------------------------------
>
>                 Key: SYNAPSE-592
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-592
>             Project: Synapse
>          Issue Type: Bug
>            Reporter: Supun Kamburugamuva
>            Assignee: Ruwan Linton
>             Fix For: 1.3
>
>         Attachments: SYNAPSE-592.patch
>
>
> I've submitted an invalid url (a url with a space) to synapse. When this happens NIO transport goes to an infinite loop. It shows the following exception repeatedly. The reason for this is a Null point exception. 
> In case of HTTP error, synapse ServerHandler doesn't get called for the input. But the outputready method of the ServerHandler is called. In the output ready method we check a output buffer variable. But since the input is not given to syanpse this buffer is not set. Resulting in the null point. I've done a simple fix to avoid this. But I think this should be handled in the HTTP Core Nio level. It shouldn't call the output ready method when there is an error.
> 2009-10-13 15:07:46,671 [-] [http-Listener I/O dispatcher-1]  WARN HttpCoreNIOListener System may be unstable: IOReactor encountered a runtime exception : null
> java.lang.NullPointerException
>         at org.apache.synapse.transport.nhttp.ServerHandler.outputReady(ServerHandler.java:209)
>         at org.apache.http.impl.nio.DefaultNHttpServerConnection.produceOutput(DefaultNHttpServerConnection.java:207)
>         at org.apache.http.impl.nio.DefaultServerIOEventDispatch.outputReady(DefaultServerIOEventDispatch.java:153)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.writable(BaseIOReactor.java:185)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:342)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:319)
>         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$Worker.run(AbstractMultiworkerIOReactor.java:528)
>         at java.lang.Thread.run(Thread.java:595)
> 2009-10-13 15:07:46,750 [-] [http-Listener I/O dispatcher-1]  WARN HttpCoreNIOListener System may be unstable: IOReactor encountered a runtime exception : null
> java.lang.NullPointerException
>         at org.apache.synapse.transport.nhttp.ServerHandler.outputReady(ServerHandler.java:209)
>         at org.apache.http.impl.nio.DefaultNHttpServerConnection.produceOutput(DefaultNHttpServerConnection.java:207)
>         at org.apache.http.impl.nio.DefaultServerIOEventDispatch.outputReady(DefaultServerIOEventDispatch.java:153)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.writable(BaseIOReactor.java:185)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:342)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:319)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:275)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
>         at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:528)
>         at java.lang.Thread.run(Thread.java:595)
> 2009-10-13 15:07:46,843 [-] [http-Listener I/O dispatcher-1]  WARN HttpCoreNIOListener System may be unstable: IOReactor encountered a runtime exception : null
> java.lang.NullPointerException

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