Hi Abid,

This is strange, it just has the non blocking http transport. I wonder how
you get this exception in that case. Is this error re-producible, if so
please give us the steps so that we can try to re-produce this and fix it.

Thanks,
Ruwan

On Fri, Aug 20, 2010 at 8:20 PM, Abid Khan-EXT <[email protected]>wrote:

> I think I am using blocking transports, I am using synapse 1.2, please see
> attached files, and suggest/recommend changes.
>
> Thanks & Regards,
> Abid
>
> -----Original Message-----
> From: Ruwan Linton [mailto:[email protected]]
> Sent: Thursday, August 19, 2010 10:41 PM
> To: [email protected]
> Subject: Re: NullPointerException occurs when synapse is deployed on JBOSS
>
> The problem here is that you are using both the servlet and non blocking
> http transports, in your axis2.xml, and a response for a message received
> from the nhttp transport has been directed to the servlet transport.
>
> If you do not have the servlet transport in the axis2.xml, please attach
> both the axis2.xml and the synapse.xml files. I am assuming that you are
> using the synapse 1.2, right?
>
> Thanks,
> Ruwan
>
> On Fri, Aug 20, 2010 at 6:27 AM, Abid Khan-EXT <[email protected]
> >wrote:
>
> > Hello all,
> >
> > I am seeing this exception very frequently and was wondering if it has
> been
> > fixed. This exception occurs every time, the problem is that some time
> the
> > response is not ever received.
> >
> > 00:41:58,000 ERROR [STDERR] java.lang.NullPointerException
> > 00:41:58,001 ERROR [STDERR]     at
> >
> org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:724)
> > 00:41:58,001 ERROR [STDERR]     at
> > org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:449)
> > 00:41:58,001 ERROR [STDERR]     at
> >
> org.apache.coyote.http11.InternalOutputBuffer.flush(InternalOutputBuffer.java:299)
> > 00:41:58,001 ERROR [STDERR]     at
> > org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:950)
> > 00:41:58,001 ERROR [STDERR]     at
> > org.apache.coyote.Response.action(Response.java:186)
> > 00:41:58,001 ERROR [STDERR]     at
> > org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:343)
> > 00:41:58,001 ERROR [STDERR]     at
> > org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:314)
> > 00:41:58,001 ERROR [STDERR]     at
> >
> org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:98)
> > 00:41:58,001 ERROR [STDERR]     at
> > java.io.BufferedOutputStream.flush(BufferedOutputStream.java:124)
> > 00:41:58,001 ERROR [STDERR]     at
> > com.ctc.wstx.io.UTF8Writer.flush(UTF8Writer.java:99)
> > 00:41:58,002 ERROR [STDERR]     at
> > com.ctc.wstx.sw.BufferingXmlWriter.flush(BufferingXmlWriter.java:214)
> > 00:41:58,002 ERROR [STDERR]     at
> > com.ctc.wstx.sw.BaseStreamWriter.flush(BaseStreamWriter.java:311)
> > 00:41:58,002 ERROR [STDERR]     at
> >
> org.apache.axiom.om.impl.MTOMXMLStreamWriter.flush(MTOMXMLStreamWriter.java:146)
> > 00:41:58,002 ERROR [STDERR]     at
> >
> org.apache.axiom.om.impl.llom.OMNodeImpl.serializeAndConsume(OMNodeImpl.java:472)
> > 00:41:58,002 ERROR [STDERR]     at
> >
> org.apache.axis2.transport.http.ApplicationXMLFormatter.writeTo(ApplicationXMLFormatter.java:143)
> > 00:41:58,002 ERROR [STDERR]     at
> >
> org.apache.synapse.transport.nhttp.HttpCoreNIOSender.sendUsingOutputStream(HttpCoreNIOSender.java:449)
> > 00:41:58,002 ERROR [STDERR]     at
> >
> org.apache.synapse.transport.nhttp.HttpCoreNIOSender.invoke(HttpCoreNIOSender.java:266)
> > 00:41:58,002 ERROR [STDERR]     at
> > org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:448)
> > 00:41:58,002 ERROR [STDERR]     at
> > org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Sender.java:138)
> > 00:41:58,002 ERROR [STDERR]     at
> >
> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:169)
> > 00:41:58,002 ERROR [STDERR]     at
> >
> org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:301)
> > 00:41:58,003 ERROR [STDERR]     at
> >
> org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:131)
> > 00:41:58,003 ERROR [STDERR]     at
> > org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176)
> > 00:41:58,003 ERROR [STDERR]     at
> >
> org.apache.synapse.transport.nhttp.ClientWorker.run(ClientWorker.java:200)
> > 00:41:58,003 ERROR [STDERR]     at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> > 00:41:58,003 ERROR [STDERR]     at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> > 00:41:58,003 ERROR [STDERR]     at java.lang.Thread.run(Thread.java:619)
> >
> > Thanks & Regards,
> >
> > Abid Khan
> > Java Consultant
> > Jeppesen (Software Product Development)
> > Desk: 303.328.6554 | Cell: 720.480.3523
> > <Promotor of simple solutions, even rocket science can be simplified.>
> >
> >
> >
>
>
> --
> Ruwan Linton
> Software Architect & Product Manager, WSO2 ESB; http://wso2.org/esb
> WSO2 <http://wso2.org/esb%0AWSO2> Inc.; http://wso2.org
>
> Lean . Enterprise . Middleware
>
> phone: +1 408 754 7388 ext 51789
> email: [email protected]; cell: +94 77 341 3097
> blog: http://blog.ruwan.org
> linkedin: http://www.linkedin.com/in/ruwanlinton
> google: http://www.google.com/profiles/ruwan.linton
> tweet: http://twitter.com/ruwanlinton
>



-- 
Ruwan Linton
Software Architect & Product Manager, WSO2 ESB; http://wso2.org/esb
WSO2 Inc.; http://wso2.org

Lean . Enterprise . Middleware

phone: +1 408 754 7388 ext 51789
email: [email protected]; cell: +94 77 341 3097
blog: http://blog.ruwan.org
linkedin: http://www.linkedin.com/in/ruwanlinton
google: http://www.google.com/profiles/ruwan.linton
tweet: http://twitter.com/ruwanlinton

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