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Posted to dev@tuscany.apache.org by "ant elder (JIRA)" <tu...@ws.apache.org> on 2006/08/25 13:01:25 UTC
[jira] Closed: (TUSCANY-372) Null pointer for axis2/tomcat example
where the service interface/operation takes no parameters
[ http://issues.apache.org/jira/browse/TUSCANY-372?page=all ]
ant elder closed TUSCANY-372.
-----------------------------
Resolution: Fixed
> Null pointer for axis2/tomcat example where the service interface/operation takes no parameters
> -----------------------------------------------------------------------------------------------
>
> Key: TUSCANY-372
> URL: http://issues.apache.org/jira/browse/TUSCANY-372
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Axis Binding
> Affects Versions: Java-Mx
> Environment: Fedora Core 5
> Reporter: Simon Laws
> Fix For: Java-Mx
>
> Attachments: helloworld6-notworkingsample.tar, helloworld7-workingsample.tar
>
>
> This is based on a check out from last week so I will give it a go on the latest release but lest I forget the details. I have an example (attached) which simply calls a remote component via axis2/web services. The implemented operation takes no parameters and causes a null pointers exception down in the Axis code on the server side where the request message is being unpacked [1]. I copied the example and changed the operation signature to include a single string parameter (also included) and all was well. Nothing else, as far as I can tell, changed between the two versions of the sample.
> [1]
> [slaws@dhcp-9-20-188-219 helloworld6client]$ ./run.sh
> Exception in thread "main" org.osoa.sca.ServiceRuntimeException: org.apache.axis2.AxisFault: null; nested exception is:
> java.lang.NullPointerException
> at org.apache.tuscany.binding.axis2.externalservice.Axis2ServiceInvoker.invoke(Axis2ServiceInvoker.java:56)
> at org.apache.tuscany.core.extension.ExternalServiceTargetInvoker.doInvoke(ExternalServiceTargetInvoker.java:84)
> at org.apache.tuscany.core.extension.ExternalServiceTargetInvoker.invokeTarget(ExternalServiceTargetInvoker.java:79)
> at org.apache.tuscany.core.extension.ExternalServiceTargetInvoker.invoke(ExternalServiceTargetInvoker.java:93)
> at org.apache.tuscany.core.wire.impl.InvokerInterceptor.invoke(InvokerInterceptor.java:39)
> at org.apache.tuscany.core.wire.jdk.JDKInvocationHandler.invoke(JDKInvocationHandler.java:112)
> at $Proxy13.getResponse(Unknown Source)
> at org.sample.helloworld.HelloWorldClient.main(HelloWorldClient.java:28)
> Caused by: org.apache.axis2.AxisFault: null; nested exception is:
> java.lang.NullPointerException
> at org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxisOperation.java:287)
> at org.apache.tuscany.binding.axis2.externalservice.Axis2OperationInvoker.invokeOperation(Axis2OperationInvoker.java:78)
> at org.apache.tuscany.binding.axis2.externalservice.Axis2ServiceInvoker.invoke(Axis2ServiceInvoker.java:53)
> ... 7 more
> Caused by: java.lang.Exception: org.apache.axis2.AxisFault: null; nested exception is:
> java.lang.NullPointerException
> at org.apache.axis2.AxisFault.makeFault(AxisFault.java:318)
> at org.apache.tuscany.binding.axis2.entrypoint.WebServiceEntryPointInOutSyncMessageReceiver.invokeBusinessLogic(WebServiceEntryPointInOutSyncMessageReceiver.java:83)
> at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:37)
> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:454)
> at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:284)
> at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:136)
> at org.apache.tuscany.binding.axis2.entrypoint.WebServiceEntryPointServlet.doPost(WebServiceEntryPointServlet.java:81)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
> at org.apache.tuscany.tomcat.TuscanyValve.invoke(TuscanyValve.java:87)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
> at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
> at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
> at java.lang.Thread.run(Thread.java:797)
> Caused by: java.lang.NullPointerException
> at org.apache.tuscany.binding.axis2.databinding.AxiomHelper.toDataObject(AxiomHelper.java:164)
> at org.apache.tuscany.binding.axis2.databinding.AxiomHelper.toObjects(AxiomHelper.java:68)
> at org.apache.tuscany.binding.axis2.databinding.SDODataBinding.fromOMElement(SDODataBinding.java:42)
> at org.apache.tuscany.binding.axis2.entrypoint.WebServiceEntryPointInOutSyncMessageReceiver.invokeBusinessLogic(WebServiceEntryPointInOutSyncMessageReceiver.java:50)
> ... 22 more
> at org.apache.axis2.AxisFault.<init>(AxisFault.java:159)
> ... 10 more
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