If a url with a space submitted to the synapse, nhttp transport goes in to an
infinite loop
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Key: SYNAPSE-592
URL: https://issues.apache.org/jira/browse/SYNAPSE-592
Project: Synapse
Issue Type: Bug
Reporter: Supun Kamburugamuva
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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