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From "Isaac Cruz Ballesteros (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCORE-283) Async server: NPE in AsyncNHttpServiceHandler when throwing a HttpException from NHttpRequestHandler.entityRequest
Date Fri, 25 Nov 2011 11:14:40 GMT
Async server: NPE in AsyncNHttpServiceHandler when throwing a HttpException from NHttpRequestHandler.entityRequest
------------------------------------------------------------------------------------------------------------------

                 Key: HTTPCORE-283
                 URL: https://issues.apache.org/jira/browse/HTTPCORE-283
             Project: HttpComponents HttpCore
          Issue Type: Bug
          Components: HttpCore NIO
    Affects Versions: 4.1.3
            Reporter: Isaac Cruz Ballesteros
         Attachments: NHttpServer.java

I want to implement a completely asynchronous server, I've used the NHttpServer example but
changing the handler to AsyncNHttpServiceHandler.

When throwing this exception from entityRequest():

        public ConsumingNHttpEntity entityRequest(HttpEntityEnclosingRequest request, HttpContext
context)
                throws HttpException, IOException {
            throw new MethodNotSupportedException("method not supported");
        }

the DefaultListeningIOReactor shutdowns throwing the following exception:

org.apache.http.nio.reactor.IOReactorException: I/O dispatch worker terminated abnormally
	at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:321)
	at NHttpServer.main(NHttpServer.java:67)
Caused by: java.lang.NullPointerException
	at org.apache.http.nio.protocol.AsyncNHttpServiceHandler.inputReady(AsyncNHttpServiceHandler.java:313)
	at org.apache.http.impl.nio.DefaultNHttpServerConnection.consumeInput(DefaultNHttpServerConnection.java:175)
	at org.apache.http.impl.nio.DefaultServerIOEventDispatch.inputReady(DefaultServerIOEventDispatch.java:154)
	at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:158)
	at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:340)
	at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:318)
	at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:278)
	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)

I'm attaching the example to test the error

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