7:57 a.m.
Hi,
Two webservices are working independly with out any error. But I am getting the following
error when one service call another using JBPM BPEL.
The error is
| 17:10:22,393 WARN [ProxyWarnLog] Narrowing proxy to class
org.jbpm.bpel.graph.def.CompositeActivity - this operation bre
| 17:10:22,503 ERROR [StartListener] could not start process instance
| org.jbpm.graph.def.DelegationException
| at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:367)
| at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:358)
| at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:358)
| at
org.jbpm.graph.def.GraphElement$$FastClassByCGLIB$$7a7d6aa6.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.bpel.graph.def.CompositeActivity$$EnhancerByCGLIB$$bd010414.raiseException(<generated>)
| at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:358)
| at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:358)
| at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:358)
| at org.jbpm.bpel.graph.def.Activity.enter(Activity.java:110)
| at
org.jbpm.graph.def.Node$$FastClassByCGLIB$$d187eeda.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.graph.def.Node$$EnhancerByCGLIB$$a0328789.enter(<generated>)
| at org.jbpm.graph.def.Transition.take(Transition.java:151)
| at org.jbpm.graph.def.Node.leave(Node.java:393)
| at org.jbpm.bpel.graph.def.Activity.leave(Activity.java:184)
| at org.jbpm.bpel.graph.basic.Assign.execute(Assign.java:55)
| at org.jbpm.bpel.graph.def.Activity.enter(Activity.java:105)
| at
org.jbpm.graph.def.Node$$FastClassByCGLIB$$d187eeda.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.graph.def.Node$$EnhancerByCGLIB$$a0328789.enter(<generated>)
| at org.jbpm.graph.def.Transition.take(Transition.java:151)
| at org.jbpm.graph.def.Node.leave(Node.java:393)
| at
org.jbpm.graph.def.Node$$FastClassByCGLIB$$d187eeda.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.bpel.graph.struct.StructuredActivity$Begin$$EnhancerByCGLIB$$d93a6ab7.leave(<generated>)
| at
org.jbpm.bpel.graph.struct.StructuredActivity.execute(StructuredActivity.java:58)
| at
org.jbpm.bpel.graph.struct.StructuredActivity$Begin.leave(StructuredActivity.java:222)
| at org.jbpm.graph.def.Node.execute(Node.java:349)
| at org.jbpm.bpel.graph.def.Activity.enter(Activity.java:105)
| at
org.jbpm.bpel.graph.def.Activity$$FastClassByCGLIB$$bf3a65c2.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.bpel.graph.struct.StructuredActivity$Begin$$EnhancerByCGLIB$$d93a6ab7.enter(<generated>)
| at org.jbpm.graph.def.Transition.take(Transition.java:151)
| at org.jbpm.graph.def.Node.leave(Node.java:393)
| at
org.jbpm.graph.def.Node$$FastClassByCGLIB$$d187eeda.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.bpel.graph.struct.StructuredActivity$Begin$$EnhancerByCGLIB$$d93a6ab7.leave(<generated>)
| at org.jbpm.bpel.graph.struct.Flow.execute(Flow.java:73)
| at
org.jbpm.bpel.graph.struct.StructuredActivity$Begin.leave(StructuredActivity.java:222)
| at org.jbpm.graph.def.Node.execute(Node.java:349)
| at org.jbpm.bpel.graph.def.Activity.enter(Activity.java:105)
| at
org.jbpm.bpel.graph.def.Activity$$FastClassByCGLIB$$bf3a65c2.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.bpel.graph.struct.StructuredActivity$Begin$$EnhancerByCGLIB$$d93a6ab7.enter(<generated>)
| at org.jbpm.graph.def.Transition.take(Transition.java:151)
| at org.jbpm.graph.def.Node.leave(Node.java:393)
| at org.jbpm.bpel.graph.def.Activity.leave(Activity.java:184)
| at
org.jbpm.bpel.graph.struct.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:66)
| at org.jbpm.bpel.graph.basic.Receive.accept(Receive.java:81)
| at
org.jbpm.bpel.graph.basic.Receive$$FastClassByCGLIB$$29d34f79.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.bpel.graph.basic.Receive$$EnhancerByCGLIB$$cd51d5f6.accept(<generated>)
| at
org.jbpm.bpel.graph.struct.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:100)
| at org.jbpm.bpel.graph.struct.Sequence.accept(Sequence.java:104)
| at
org.jbpm.bpel.graph.def.Activity$$FastClassByCGLIB$$bf3a65c2.invoke(<generated>)
| at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:163)
| at
org.jbpm.bpel.graph.def.Activity$$EnhancerByCGLIB$$d9cb99c1.accept(<generated>)
| at
org.jbpm.bpel.graph.struct.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:54)
| at
org.jbpm.bpel.graph.def.BpelDefinition.messageReceived(BpelDefinition.java:111)
| at
org.jbpm.bpel.integration.jms.StartListener.onMessage(StartListener.java:124)
| at org.jboss.mq.SpyMessageConsumer.run(SpyMessageConsumer.java:694)
| at java.lang.Thread.run(Thread.java:595)
| Caused by: java.lang.NullPointerException
| at
org.jbpm.bpel.endpointref.SoapEndpointReference.selectPort(SoapEndpointReference.java:100)
| at
org.jbpm.bpel.integration.jms.IntegrationControl.getPartnerClient(IntegrationControl.java:220)
| at
org.jbpm.bpel.integration.jms.JmsIntegrationService.invoke(JmsIntegrationService.java:232)
| at org.jbpm.bpel.graph.basic.Invoke.execute(Invoke.java:46)
| at org.jbpm.bpel.graph.def.Activity.enter(Activity.java:105)
| ... 61 more
|
The process is one service takes a string input and pass it the second one and the second
one gets it returns the same string and passes to the 1st one's output variable.
The bpel file is given below,
| <?xml version="1.0" encoding="UTF-8"?>
| <process name="BatchProductBusiness"
targetNamespace="http://jbpm.org/examples/bestlinkage"
| xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
| xmlns:tns="http://jbpm.org/examples/bestlinkage"
| xmlns:bpel="http://schemas.xmlsoap.org/ws/2003/03/business-process/&...
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
| xsi:schemaLocation="http://schemas.xmlsoap.org/ws/2003/03/business-p...
| http://schemas.xmlsoap.org/ws/2003/03/business-process/">
|
| <partnerLinks>
| <!-- establishes the relationship with the caller agent -->
| <partnerLink name="caller"
partnerLinkType="tns:BatchProduct-Caller"
| myRole="BatchProduct" />
|
| <partnerLink name="fileread"
partnerLinkType="tns:filereadLT"
| partnerRole="FileRead" />
|
| </partnerLinks>
|
| <variables>
| <!-- holds the incoming message -->
| <variable name="request" messageType="tns:nameMessage"
/>
| <!-- holds the outgoing message -->
| <variable name="response" messageType="tns:greetingMessage"
/>
| <variable name="getDunsDocumentRequest"
messageType="tns:fileReadRequestMessage" />
| <variable name="getDunsDocumentResponse"
messageType="tns:fileReadResponseMessage" />
|
| </variables>
|
| <sequence>
|
| <!-- receive the name of a person -->
| <receive operation="sayHello" partnerLink="caller"
portType="tns:BatchProduct"
| variable="request" createInstance="yes" />
|
|
| <flow>
| <sequence>
|
|
|
| <assign>
| <copy>
| <from variable="request" part="name" />
| <to variable="getDunsDocumentRequest"
part="getDunsDocumentRequest" />
| </copy>
| </assign>
|
|
| <invoke partnerLink="fileread" portType="tns:FileRead"
| operation="getDunsDocument"
inputVariable="getDunsDocumentRequest"
| outputVariable="getDunsDocumentResponse">
| </invoke>
|
| <assign>
| <copy>
| <from variable="getDunsDocumentResponse"
part="getDunsDocumentResponse" />
| <to variable="response" part="greeting" />
| </copy>
| </assign>
| </sequence>
| </flow>
|
|
| <!-- reply with the greeting -->
| <reply operation="sayHello" partnerLink="caller"
portType="tns:BatchProduct"
| variable="response" />
| </sequence>
|
| </process>
|
Please help in fixing this issue.
Thanks & Regards,
Ram
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