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https://issues.apache.org/jira/browse/TUSCANY-1003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12465774
]
Ignacio Silva-Lepe commented on TUSCANY-1003:
---------------------------------------------
Ok, I am past the ServiceRuntimeException, I was missing a @Service declaration.
But now I am getting the following TransformationException:
org.apache.tuscany.spi.databinding.TransformationException: java.lang.NullPointe
rException
at org.apache.tuscany.core.databinding.impl.Output2OutputTransformer.tra
nsform(Output2OutputTransformer.java:197)
at org.apache.tuscany.core.databinding.impl.MediatorImpl.mediate(Mediato
rImpl.java:91)
at org.apache.tuscany.core.databinding.impl.DataBindingInteceptor.transf
orm(DataBindingInteceptor.java:106)
at org.apache.tuscany.core.databinding.impl.DataBindingInteceptor.invoke
(DataBindingInteceptor.java:92)
at org.apache.tuscany.spi.wire.AbstractOutboundInvocationHandler.invoke(
AbstractOutboundInvocationHandler.java:91)
at org.apache.tuscany.core.wire.jdk.JDKOutboundInvocationHandler.invoke(
JDKOutboundInvocationHandler.java:166)
at $Proxy25.getGreetings(Unknown Source)
at helloworld.HelloWorldServiceComponent.getGreetings(HelloWorldServiceC
omponent.java:40)
Caused by: java.lang.NullPointerException
at org.apache.tuscany.databinding.axiom.OMElementWrapperHandler.getChild
(OMElementWrapperHandler.java:50)
at org.apache.tuscany.databinding.axiom.OMElementWrapperHandler.getChild
(OMElementWrapperHandler.java:34)
at org.apache.tuscany.core.databinding.impl.Output2OutputTransformer.tra
nsform(Output2OutputTransformer.java:187)
Any ideas?
> NPE thrown by AxisEngine.send in service side of axis2 binding for async
> callbacks
> ----------------------------------------------------------------------------------
>
> Key: TUSCANY-1003
> URL: https://issues.apache.org/jira/browse/TUSCANY-1003
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Axis Binding
> Affects Versions: Java-SCA-Mx
> Reporter: Ignacio Silva-Lepe
> Fix For: Java-SCA-Mx
>
>
> I'm seeing an NPE thrown by AxisEngine.send in the service side of the axis2
> binding for async callbacks. The trace is below. My current guess is that
> this may have something to do with the pass-by-value interceptor but I have
> not delved to deeply into the possible cause. For now I am leaving this in
> the Java SCA Axis binding component but that may change depending on the
> actual reason for the exception.
> org.apache.tuscany.binding.axis2.Axis2BindingRunTimeException:
> java.lang.NullPoi
> nterException
> at
> org.apache.tuscany.binding.axis2.Axis2ServiceCallbackTargetInvoker.in
> vokeTarget(Axis2ServiceCallbackTargetInvoker.java:78)
> at
> org.apache.tuscany.binding.axis2.Axis2ServiceCallbackTargetInvoker.in
> voke(Axis2ServiceCallbackTargetInvoker.java:90)
> at
> org.apache.tuscany.core.wire.InvokerInterceptor.invoke(InvokerInterce
> ptor.java:44)
> at
> org.apache.tuscany.core.databinding.impl.PassByValueInterceptor.invok
> e(PassByValueInterceptor.java:65)
> at
> org.apache.tuscany.core.wire.SynchronousBridgingInterceptor.invoke(Sy
> nchronousBridgingInterceptor.java:41)
> at
> org.apache.tuscany.core.databinding.impl.DataBindingInteceptor.invoke
> (DataBindingInteceptor.java:70)
> at
> org.apache.tuscany.spi.wire.AbstractOutboundInvocationHandler.invoke(
> AbstractOutboundInvocationHandler.java:91)
> at
> org.apache.tuscany.core.wire.jdk.JDKCallbackInvocationHandler.invoke(
> JDKCallbackInvocationHandler.java:103)
> at $Proxy21.getGreetingsCallback(Unknown Source)
> at helloworld.HelloWorldImpl.getGreetings(HelloWorldImpl.java:43)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
> java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
> sorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
> org.apache.tuscany.core.implementation.java.JavaTargetInvoker.invokeT
> arget(JavaTargetInvoker.java:90)
> at
> org.apache.tuscany.spi.extension.TargetInvokerExtension.invoke(Target
> InvokerExtension.java:67)
> at
> org.apache.tuscany.core.wire.InvokerInterceptor.invoke(InvokerInterce
> ptor.java:44)
> at
> org.apache.tuscany.core.databinding.impl.PassByValueInterceptor.invok
> e(PassByValueInterceptor.java:65)
> at
> org.apache.tuscany.core.wire.NonBlockingBridgingInterceptor$1.run(Non
> BlockingBridgingInterceptor.java:79)
> at
> org.apache.tuscany.core.services.work.jsr237.Jsr237WorkScheduler$Jsr2
> 37Work.run(Jsr237WorkScheduler.java:212)
> at
> org.apache.tuscany.core.services.work.jsr237.workmanager.ThreadPoolWo
> rkManager$DecoratingWork.run(ThreadPoolWorkManager.java:206)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec
> utor.java:650)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
> .java:675)
> at java.lang.Thread.run(Thread.java:595)
> Caused by: java.lang.NullPointerException
> at
> org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(Internal
> OutputBuffer.java:746)
> at
> org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:433)
> at
> org.apache.coyote.http11.InternalOutputBuffer.flush(InternalOutputBuf
> fer.java:304)
> at
> org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:
> 991)
> at org.apache.coyote.Response.action(Response.java:182)
> at
> org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:
> 322)
> at
> org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:29
> 3)
> at
> org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputSt
> ream.java:97)
> at
> sun.nio.cs.StreamEncoder$CharsetSE.implFlush(StreamEncoder.java:410)
> at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:152)
> at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:213)
> at java.io.BufferedWriter.flush(BufferedWriter.java:236)
> at
> com.ctc.wstx.sw.BufferingXmlWriter.flush(BufferingXmlWriter.java:184)
> at com.ctc.wstx.sw.BaseStreamWriter.flush(BaseStreamWriter.java:269)
> at
> org.apache.axiom.om.impl.MTOMXMLStreamWriter.flush(MTOMXMLStreamWrite
> r.java:119)
> at
> org.apache.axiom.om.impl.llom.OMNodeImpl.serializeAndConsume(OMNodeIm
> pl.java:412)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.sendUsingO
> utputStream(CommonsHTTPTransportSender.java:275)
> at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(Com
> monsHTTPTransportSender.java:209)
> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:670)
> at
> org.apache.tuscany.binding.axis2.Axis2ServiceCallbackTargetInvoker.in
> vokeTarget(Axis2ServiceCallbackTargetInvoker.java:70)
> ... 23 more
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