NPE trying to send from an InOutAsyncMessageReceiver

Ignacio Silva-Lepe Tue, 10 Oct 2006 06:43:19 -0700

I am getting the NPE below trying to send from an InOutAsyncMessageReceiver. It is possible that the envelope may not be correctly put together, but without any more clues, it's not clear what may be causing the NPE, which seems to happen inside Axiom.

One thing to notice is that the code that invokes AxisEngine.send catches Throwable in addition to AxisFault, and nothing gets caught, so is also seems like the NPE is being swallowed somewhere and not being thrown back.

Any help is appreciated.

Thanks

Thread [pool-2-thread-2] (Suspended (exception NullPointerException))
       InternalOutputBuffer.realWriteBytes(byte[], int, int) line: 746
       ByteChunk.flushBuffer () line: 433
       InternalOutputBuffer.flush() line: 304
       Http11Processor.action(ActionCode, Object) line: 991
       Response.action(ActionCode, Object) line: 182
       OutputBuffer.doFlush(boolean) line: 322
       OutputBuffer.flush() line: 293
       CoyoteOutputStream.flush() line: 97
       StreamEncoder$ConverterSE.implFlush() line: 290
       StreamEncoder$ConverterSE(StreamEncoder).flush() line: 200
       OutputStreamWriter.flush() line: 236
       BufferedWriter.flush() line: 257
       BufferingXmlWriter.flush() line: 184
       SimpleNsStreamWriter(BaseStreamWriter).flush() line: 269
       MTOMXMLStreamWriter.flush() line: 119
       SOAPEnvelopeImpl(OMNodeImpl).serializeAndConsume(OutputStream, OMOutputFormat) line: 412
       CommonsHTTPTransportSender.sendUsingOutputStream (MessageContext, OMOutputFormat, OMElement) line: 276
       CommonsHTTPTransportSender.invoke(MessageContext) line: 210
       AxisEngine.send(MessageContext) line: 642
       Axis2ServiceCallbackTargetInvoker.invokeTarget (Object) line: 76
       Axis2ServiceCallbackTargetInvoker.invoke(Message) line: 90
       InvokerInterceptor.invoke(Message) line: 44
       SynchronousBridgingInterceptor.invoke(Message) line: 41
       DataBindingInteceptor.invoke(Message) line: 71
       JDKCallbackInvocationHandler(AbstractOutboundInvocationHandler).invoke(OutboundInvocationChain, TargetInvoker, Object[]) line: 60
       JDKCallbackInvocationHandler.invoke(Object, Method, Object[]) line: 71
       $Proxy31.getGreetingsCallback(String) line: not available
       HelloWorldImpl.getGreetings(String) line: 50
       NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
       NativeMethodAccessorImpl.invoke(Object, Object[]) line: 64
       DelegatingMethodAccessorImpl.invoke (Object, Object[]) line: 43
       Method.invoke(Object, Object...) line: 615
       AsyncJavaTargetInvoker(PojoTargetInvoker).invokeTarget(Object

NPE trying to send from an InOutAsyncMessageReceiver

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