[HTTPCORE-243] NPE in DefaultClientIOEventDispatch#inputReady

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.1
• Fix Version/s: 4.1.1
• Component/s: HttpCore NIO
• Environment: Linux 2.6.18-6-amd64, Java 6 Update 21, 32bit
• Assignee: Unassigned
• Reporter: Eric Hubert
• Created: 28/Nov/10 13:19
• Updated: 29/Nov/10 22:27
• Resolved: 29/Nov/10 19:45

Description

While using Synapse 1.2 with httpcore-nio 4.1 the following exceptions occurs

WARN 2010-11-27 23:55:07,737 [http-Sender I/O dispatcher-1][][] org.apache.synapse.transport.nhttp.HttpCoreNIOSender 'System may be unstable: IOReactor encountered a runtime exception : null'
java.lang.NullPointerException
at org.apache.http.impl.nio.DefaultClientIOEventDispatch.inputReady(DefaultClientIOEventDispatch.java:148)
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:619)
FATAL 2010-11-27 23:55:08,678 [HttpCoreNIOSender][][] org.apache.synapse.transport.nhttp.HttpCoreNIOSender 'Encountered an I/O error: I/O dispatch worker 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:324)
at org.apache.synapse.transport.nhttp.HttpCoreNIOSender.executeClientEngine(HttpCoreNIOSender.java:188)
at org.apache.synapse.transport.nhttp.HttpCoreNIOSender.access$000(HttpCoreNIOSender.java:77)
at org.apache.synapse.transport.nhttp.HttpCoreNIOSender$3.run(HttpCoreNIOSender.java:209)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
at org.apache.http.impl.nio.DefaultClientIOEventDispatch.inputReady(DefaultClientIOEventDispatch.java:148)
at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:161)
at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:335)
at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:315)
at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:275)
at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:542)
... 1 more

I will give my best to provide a wire log later on.