NPE in DefaultClientIOEventDispatch
-----------------------------------

                 Key: HTTPCORE-206
                 URL: https://issues.apache.org/jira/browse/HTTPCORE-206
             Project: HttpComponents HttpCore
          Issue Type: Bug
          Components: HttpCore NIO
    Affects Versions: 4.1-alpha1
         Environment: CentOS 5.2, x86-32, Sun JVM 1.5.0, Synapse 1.2, HttpCore 
4.1-alpha1
            Reporter: Ralph Henze
             Fix For: 4.1


When used inside Synapse 1.2, after outgoing http requests, a problem occurs 
that shows a NPE with the following stack trace.
The NPE occurs as infinite loop (that may have its origin in Synapse).

2009-09-23 13:18:25,466 WARN  
[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:339)
   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)

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