Simple WS <invoke> causes NullPointerException. Why?? Please
Hi!
I have extended hello example by my invoke to my web service.
and I failed to invoke my web service.
I know exacly, that I failed upon invoked, I checked it!
Please, help!!!
I do receive, assign, invoke, reply.
hello.bpel:
<?xml version="1.0" encoding="UTF-8"?>
<process name="HelloWorld"
targetNamespace="http://jbpm.org/examples/hello"
xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:tns="http://jbpm.org/examples/hello"
xmlns:bpel="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:apns="http://client/com/sap/xtp/customer"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://schemas.xmlsoap.org/ws/2003/03/business-process/
http://schemas.xmlsoap.org/ws/2003/03/business-process/">
<partnerLinks>
<partnerLink name="caller" partnerLinkType="tns:Greeter-Caller"
myRole="Greeter" />
<partnerLink name="customer" partnerLinkType="tns:Customer-LinkType"
partnerRole="Customer" />
</partnerLinks>
<variables>
<variable name="request" messageType="tns:nameMessage" />
<variable name="response" messageType="tns:greetingMessage" />
<variable name="requestToCustomer" messageType="apns:createRequest" />
<variable name="responseFromCustomer" messageType="apns:createResponse" />
</variables>
<sequence>
<!-- receive the name of a person -->
<receive operation="sayHello" partnerLink="caller" portType="tns:Greeter"
variable="request" createInstance="yes" />
<!-- compose a greeting phrase -->
<assign>
<copy>
<from expression="concat('Name:',bpel:getVariableData('request', 'name'))" />
<to variable="requestToCustomer" part="customerName" />
</copy>
<copy>
<from expression="concat('Description:',bpel:getVariableData('request', 'name'))" />
<to variable="requestToCustomer" part="description" />
</copy>
<copy>
<from expression="concat('Address:',bpel:getVariableData('request', 'name'))" />
<to variable="requestToCustomer" part="address" />
</copy>
</assign>
<invoke name="create" operation="create" partnerLink="customer" portType="apns:CustomerService" inputVariable="requestToCustomer" outputVariable="responseFromCustomer" />
<!-- compose a greeting phrase -->
<assign>
<copy>
<from expression="concat('Hello, ',
bpel:getVariableData('request', 'name'), '!')" />
<to variable="response" part="greeting" />
</copy>
</assign>
<!-- reply with the greeting -->
<reply operation="sayHello" partnerLink="caller" portType="tns:Greeter"
variable="response" />
</sequence>
</process>
My web service deployed , using axis 1.3 and works on the same jboss instance, where my BP deployed.
And my hello.wsdl is like this:
<?xml version="1.0" encoding="UTF-8"?> <definitions targetNamespace="http://jbpm.org/examples/hello" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:tns="http://jbpm.org/examples/hello" xmlns:apns="http://client/com/sap/xtp/customer" xmlns:bpel="http://schemas.xmlsoap.org/ws/2003/03/business-process/" xmlns:plt="http://schemas.xmlsoap.org/ws/2003/05/partner-link/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" > <import namespace="http://client/com/sap/xtp/customer" location="http://localhost:8080/quickstart/services/CustomerService?wsdl"/> <plt:partnerLinkType name="Greeter-Caller"> <plt:role name="Greeter"> <plt:portType name="tns:Greeter" /> </plt:role> </plt:partnerLinkType> <plt:partnerLinkType name="Customer-LinkType"> <plt:role name="Customer"> <plt:portType name="apns:CustomerService"/> </plt:role> </plt:partnerLinkType> <!-- carries the name of a person --> <message name="nameMessage"> <part name="name" type="xsd:string" /> </message> <!-- carries the greeting --> <message name="greetingMessage"> <part name="greeting" type="xsd:string" /> </message> <!-- describes the interface presented to callers --> <portType name="Greeter"> <operation name="sayHello"> <input message="tns:nameMessage" /> <output message="tns:greetingMessage" /> </operation> </portType> </definitions>
I have exception upon call to process:
2006-11-14 15:53:40,137 DEBUG [org.jbpm.bpel.integration.jms.StartListener] caught exception while passing control to process, searching for handler org.jbpm.graph.def.DelegationException at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:352) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) 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.def.CompositeActivity$$EnhancerByCGLIB$$7810329b.raiseException(<generated>) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.bpel.def.Activity.enter(Activity.java:106) at org.jbpm.graph.def.Transition.take(Transition.java:119) at org.jbpm.graph.def.Node.leave(Node.java:383) at org.jbpm.bpel.def.Activity.leave(Activity.java:171) at org.jbpm.bpel.def.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:57) at org.jbpm.bpel.def.Receive.accept(Receive.java:82) at org.jbpm.bpel.def.Receive$$FastClassByCGLIB$$516412f0.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.def.Receive$$EnhancerByCGLIB$$f0638c92.accept(<generated>) at org.jbpm.bpel.def.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:97) at org.jbpm.bpel.def.Sequence.accept(Sequence.java:105) at org.jbpm.bpel.def.Activity$$FastClassByCGLIB$$a89e54a2.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.def.Activity$$EnhancerByCGLIB$$db28b188.accept(<generated>) at org.jbpm.bpel.def.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:43) at org.jbpm.bpel.def.BpelDefinition.messageReceived(BpelDefinition.java:109) at org.jbpm.bpel.integration.jms.StartListener.onMessage(StartListener.java:115) at org.jboss.mq.SpyMessageConsumer.run(SpyMessageConsumer.java:694) at java.lang.Thread.run(Thread.java:595) Caused by: org.jbpm.graph.def.DelegationException at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:352) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) 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.def.CompositeActivity$$EnhancerByCGLIB$$7810329b.raiseException(<generated>) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.bpel.def.Activity.enter(Activity.java:106) at org.jbpm.graph.def.Transition.take(Transition.java:119) at org.jbpm.graph.def.Node.leave(Node.java:383) at org.jbpm.bpel.def.Activity.leave(Activity.java:171) at org.jbpm.bpel.def.Assign.execute(Assign.java:55) at org.jbpm.bpel.def.Activity.enter(Activity.java:101) ... 20 more Caused by: java.lang.NullPointerException at org.jbpm.bpel.integration.exe.SoapEndpointReference.selectPort(SoapEndpointReference.java:94) at org.jbpm.bpel.integration.jms.IntegrationControl.getPartnerClient(IntegrationControl.java:234) at org.jbpm.bpel.integration.jms.JmsIntegrationService.invoke(JmsIntegrationService.java:171) at org.jbpm.bpel.def.Invoke.execute(Invoke.java:44) at org.jbpm.bpel.def.Activity.enter(Activity.java:101) ... 25 more 2006-11-14 15:53:40,137 ERROR [org.jbpm.bpel.integration.jms.StartListener] could not start process instance org.jbpm.graph.def.DelegationException at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:352) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.bpel.integration.jms.StartListener.onMessage(StartListener.java:120) at org.jboss.mq.SpyMessageConsumer.run(SpyMessageConsumer.java:694) at java.lang.Thread.run(Thread.java:595) Caused by: org.jbpm.graph.def.DelegationException at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:352) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) 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.def.CompositeActivity$$EnhancerByCGLIB$$7810329b.raiseException(<generated>) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.bpel.def.Activity.enter(Activity.java:106) at org.jbpm.graph.def.Transition.take(Transition.java:119) at org.jbpm.graph.def.Node.leave(Node.java:383) at org.jbpm.bpel.def.Activity.leave(Activity.java:171) at org.jbpm.bpel.def.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:57) at org.jbpm.bpel.def.Receive.accept(Receive.java:82) at org.jbpm.bpel.def.Receive$$FastClassByCGLIB$$516412f0.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.def.Receive$$EnhancerByCGLIB$$f0638c92.accept(<generated>) at org.jbpm.bpel.def.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:97) at org.jbpm.bpel.def.Sequence.accept(Sequence.java:105) at org.jbpm.bpel.def.Activity$$FastClassByCGLIB$$a89e54a2.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.def.Activity$$EnhancerByCGLIB$$db28b188.accept(<generated>) at org.jbpm.bpel.def.ProcessInstanceStarter.visit(ProcessInstanceStarter.java:43) at org.jbpm.bpel.def.BpelDefinition.messageReceived(BpelDefinition.java:109) at org.jbpm.bpel.integration.jms.StartListener.onMessage(StartListener.java:115) ... 2 more Caused by: org.jbpm.graph.def.DelegationException at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:352) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) 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.def.CompositeActivity$$EnhancerByCGLIB$$7810329b.raiseException(<generated>) at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346) at org.jbpm.bpel.def.Activity.enter(Activity.java:106) at org.jbpm.graph.def.Transition.take(Transition.java:119) at org.jbpm.graph.def.Node.leave(Node.java:383) at org.jbpm.bpel.def.Activity.leave(Activity.java:171) at org.jbpm.bpel.def.Assign.execute(Assign.java:55) at org.jbpm.bpel.def.Activity.enter(Activity.java:101) ... 20 more Caused by: java.lang.NullPointerException at org.jbpm.bpel.integration.exe.SoapEndpointReference.selectPort(SoapEndpointReference.java:94) at org.jbpm.bpel.integration.jms.IntegrationControl.getPartnerClient(IntegrationControl.java:234) at org.jbpm.bpel.integration.jms.JmsIntegrationService.invoke(JmsIntegrationService.java:171) at org.jbpm.bpel.def.Invoke.execute(Invoke.java:44) at org.jbpm.bpel.def.Activity.enter(Activity.java:101) ... 25 more 2006-11-14 15:53:40,147 DEBUG [org.jbpm.JbpmContext] closing JbpmContext 2006-11-14 15:53:40,147 DEBUG [org.jbpm.svc.Services] closing service 'persistence': org.jbpm.bpel.persistence.db.DbPersistenceService@10cf62 2006-11-14 15:53:40,147 DEBUG [org.jbpm.persistence.db.DbPersistenceService] rolling back hibernate transaction 2006-11-14 15:53:40,147 DEBUG [org.hibernate.transaction.JDBCTransaction] rollback 2006-11-14 15:53:40,147 DEBUG [org.hibernate.transaction.JDBCTransaction] re-enabling autocommit 2006-11-14 15:53:40,147 DEBUG [org.hibernate.transaction.JDBCTransaction] rolled back JDBC Connection 2006-11-14 15:53:40,147 DEBUG [org.hibernate.jdbc.ConnectionManager] aggressively releasing JDBC connection 2006-11-14 15:53:40,147 DEBUG [org.hibernate.jdbc.ConnectionManager] releasing JDBC connection [ (open PreparedStatements: 0, globally: 0) (open ResultSets: 0, globally: 0)] 2006-11-14 15:53:40,147 DEBUG [org.jbpm.persistence.db.DbPersistenceService] closing hibernate session 2006-11-14 15:53:40,147 DEBUG [org.jbpm.svc.Services] closing service 'integration': org.jbpm.bpel.integration.jms.JmsIntegrationService@19f332b
