NullPointerException when executing a process

Fri, 10 Nov 2006 22:44:22 -0800
I get the following NullPointerException when executing a BPEL process, which calls another BPEL process in the same deploy unit. 

Any idea?


elementName={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeOutput 
channel=InvokeResponseChannel#26)
DEBUG - BpelRuntimeContextImpl.invoke(667) | INVOKE PARTNER (SEP): 
sessionId=null partnerSessionId=null
DEBUG - MessageExchangeImpl.setPortOp(171) | Mex[7].setPortOp(PortType: 
name={http://www.example.org/goodbyeWorld/wsdl/200611}Goodby

eWorldPT
Operation: name=goodbye
style=REQUEST_RESPONSE,1
Input: name=null

Message: 
name={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeRequestMessage

Part: name=inMsg
elementName={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeInput
Output: name=null

Message: 
name={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeResponseMessage

Part: name=outMsg

elementName={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeOutput,Operation: 
name=goodbye

style=REQUEST_RESPONSE,1
Input: name=null

Message: 
name={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeRequestMessage

Part: name=inMsg
elementName={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeInput
Output: name=null

Message: 
name={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeResponseMessage

Part: name=outMsg
elementName={http://www.example.org/goodbyeWorld/wsdl/200611}GoodbyeOutput)

DEBUG - MessageExchangeContextImpl.invokePartner(47) | Invoking a 
partner operation: goodbye
DEBUG - MessageExchangeContextImpl.invokePartner(51) | The service to 
invoke is the external service org.apache.ode.axis2.ExternalSe

[EMAIL PROTECTED]

ERROR - JacobVPU$JacobThreadImpl.run(479) | Method "run" in class 
"org.apache.ode.bpel.runtime.INVOKE" threw an unexpected exception

.
java.lang.NullPointerException: elem parameter must not be null!

        at 
org.apache.ode.utils.DOMUtils.getFirstChildElement(DOMUtils.java:215)

        at org.apache.ode.axis2.util.SOAPUtils.wrap(SOAPUtils.java:74)

        at 
org.apache.ode.axis2.ExternalService.invoke(ExternalService.java:78)
        at 
org.apache.ode.axis2.MessageExchangeContextImpl.invokePartner(MessageExchangeContextImpl.java:52)
        at 
org.apache.ode.bpel.engine.BpelRuntimeContextImpl.invoke(BpelRuntimeContextImpl.java:690)

        at org.apache.ode.bpel.runtime.INVOKE.run(INVOKE.java:95)
        at sun.reflect.GeneratedMethodAccessor60.invoke(Unknown Source)

        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

        at java.lang.reflect.Method.invoke(Method.java:585)

        at 
org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:467)

        at org.apache.ode.jacob.vpu.JacobVPU.execute(JacobVPU.java:148)

        at 
org.apache.ode.bpel.engine.BpelRuntimeContextImpl.execute(BpelRuntimeContextImpl.java:730)
        at 
org.apache.ode.bpel.engine.BpelProcess$PartnerLinkMyRoleImpl.invokeMyRole(BpelProcess.java:467)
        at 
org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:170)
        at 
org.apache.ode.bpel.engine.MyRoleMessageExchangeImpl.invoke(MyRoleMessageExchangeImpl.java:114)
        at 
org.apache.ode.axis2.ODEService.onAxisMessageExchange(ODEService.java:121)
        at 
org.apache.ode.axis2.hooks.ODEMessageReceiver.invokeBusinessLogic(ODEMessageReceiver.java:78)
        at 
org.apache.ode.axis2.hooks.ODEMessageReceiver.receive(ODEMessageReceiver.java:53)

        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 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.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:595)

java.lang.RuntimeException: java.lang.NullPointerException: elem 
parameter must not be null!
        at 
org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:480)

        at org.apache.ode.jacob.vpu.JacobVPU.execute(JacobVPU.java:148)

        at 
org.apache.ode.bpel.engine.BpelRuntimeContextImpl.execute(BpelRuntimeContextImpl.java:730)
        at 
org.apache.ode.bpel.engine.BpelProcess$PartnerLinkMyRoleImpl.invokeMyRole(BpelProcess.java:467)
        at 
org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:170)
        at 
org.apache.ode.bpel.engine.MyRoleMessageExchangeImpl.invoke(MyRoleMessageExchangeImpl.java:114)
        at 
org.apache.ode.axis2.ODEService.onAxisMessageExchange(ODEService.java:121)
        at 
org.apache.ode.axis2.hooks.ODEMessageReceiver.invokeBusinessLogic(ODEMessageReceiver.java:78)
        at 
org.apache.ode.axis2.hooks.ODEMessageReceiver.receive(ODEMessageReceiver.java:53)

        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 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.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:595)
Caused by: java.lang.NullPointerException: elem parameter must not be null!

        at 
org.apache.ode.utils.DOMUtils.getFirstChildElement(DOMUtils.java:215)

        at org.apache.ode.axis2.util.SOAPUtils.wrap(SOAPUtils.java:74)

        at 
org.apache.ode.axis2.ExternalService.invoke(ExternalService.java:78)
        at 
org.apache.ode.axis2.MessageExchangeContextImpl.invokePartner(MessageExchangeContextImpl.java:52)
        at 
org.apache.ode.bpel.engine.BpelRuntimeContextImpl.invoke(BpelRuntimeContextImpl.java:690)

        at org.apache.ode.bpel.runtime.INVOKE.run(INVOKE.java:95)
        at sun.reflect.GeneratedMethodAccessor60.invoke(Unknown Source)

        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

        at java.lang.reflect.Method.invoke(Method.java:585)

        at 
org.apache.ode.jacob.vpu.JacobVPU$JacobThreadImpl.run(JacobVPU.java:467)

        ... 27 more

ERROR - ODEService.onAxisMessageExchange(140) | Rolling back ODE MEX 
{MyRoleMex#6 [Client -8tfxur6la2dgepv92lo7nu] calling {http://w

ww.example.org/helloWorld/wsdl/200611}HelloWorldService.hello(...)}

DEBUG - ODEService.onAxisMessageExchange(167) | Handling response for 
MEX {MyRoleMex#6 [Client -8tfxur6la2dgepv92lo7nu] calling {htt

p://www.example.org/helloWorld/wsdl/200611}HelloWorldService.hello(...)}

DEBUG - ODEService.onResponse(237) | Received response message <?xml 
version="1.0" encoding="UTF-8"?>
<HelloOutput xmlns="http://www.example.org/helloWorld/wsdl/200611"; 
xmlns:twsdl="http://www.example.org/helloWorld/wsdl/200611";>

              <twsdl:out>Hello Jimbo</twsdl:out>
            </HelloOutput>





cheers
</jima>
























































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