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create a ESBServiceWorkItemHandler
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created by <a href="https://community.jboss.org/people/pitstop">pitstop</a> in <i>jBPM Development</i> - <a href="https://community.jboss.org/message/819415#819415">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi all,</p><p>I need to create a ESBServiceWorkItemHandler to create a wf task  that invokes a service on jbossesb.</p><p>I have two different servers. The server one hosts BRMS, the second server hosts SOA-P where there the esb to invoke.</p><p>I deployed my WorkItemHandler implementation in business-central-server.war.  </p><p>When ESBServiceWorkItemHandler is invoked I cannot instanziate the service invoker and this exception is thrown:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p dir="ltr">17:02:38,437 ERROR [STDERR] org.jboss.soa.esb.listeners.message.MessageDeliverException: Invocation exception. null<br/>17:02:38,438 ERROR [STDERR]     at org.jboss.soa.esb.client.ServiceInvoker.loadServiceClusterInfo(ServiceInvoker.java:580)<br/>17:02:38,438 ERROR [STDERR]     at org.jboss.soa.esb.client.ServiceInvoker.<init>(ServiceInvoker.java:176)<br/>17:02:38,438 ERROR [STDERR]     at org.jboss.soa.esb.client.ServiceInvoker.<init>(ServiceInvoker.java:157)<br/>17:02:38,438 ERROR [STDERR]     at org.jboss.soa.esb.client.ServiceInvoker.<init>(ServiceInvoker.java:199)<br/>17:02:38,438 ERROR [STDERR]     at it.poste.crs.sipac.routing.client.example.ESBServiceWorkItemHandler.getServiceInvoker(ESBServiceWorkItemHandler.java:97)<br/>17:02:38,438 ERROR [STDERR]     at it.poste.crs.sipac.routing.client.example.ESBServiceWorkItemHandler.executeWorkItem(ESBServiceWorkItemHandler.java:73)<br/>17:02:38,438 ERROR [STDERR]     at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalExecuteWorkItem(JPAWorkItemManager.java:55)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:107)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:210)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:218)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:100)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:210)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:169)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)<br/>17:02:38,438 ERROR [STDERR]     at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188)<br/>17:02:38,439 ERROR [STDERR]     at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:305)<br/>17:02:38,439 ERROR [STDERR]     at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:169)<br/>17:02:38,439 ERROR [STDERR]     at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:139)<br/>17:02:38,439 ERROR [STDERR]     at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1082)<br/>17:02:38,439 ERROR [STDERR]     at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:318)<br/>17:02:38,439 ERROR [STDERR]     at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:119)<br/>17:02:38,439 ERROR [STDERR]     at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:38)<br/>17:02:38,439 ERROR [STDERR]     at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)<br/>17:02:38,439 ERROR [STDERR]     at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:360)<br/>17:02:38,439 ERROR [STDERR]     at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223)<br/>17:02:38,439 ERROR [STDERR]     at org.jbpm.integration.console.CommandDelegate.startProcess(CommandDelegate.java:120)<br/>17:02:38,439 ERROR [STDERR]     at org.jbpm.integration.console.ProcessManagement.newInstance(ProcessManagement.java:88)<br/>17:02:38,439 ERROR [STDERR]     at org.jboss.bpm.console.server.FormProcessingFacade.startProcessWithUI(FormProcessingFacade.java:197)<br/>17:02:38,439 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br/>17:02:38,439 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<br/>17:02:38,439 ERROR [STDERR]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<br/>17:02:38,439 ERROR [STDERR]     at java.lang.reflect.Method.invoke(Method.java:597)<br/>17:02:38,439 ERROR [STDERR]     at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140)<br/>17:02:38,439 ERROR [STDERR]     at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:255)<br/>17:02:38,439 ERROR [STDERR]     at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:220)<br/>17:02:38,439 ERROR [STDERR]     at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:209)<br/>17:02:38,439 ERROR [STDERR]     at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:519)<br/>17:02:38,439 ERROR [STDERR]     at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496)<br/>17:02:38,439 ERROR [STDERR]     at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)<br/>17:02:38,440 ERROR [STDERR]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:534)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.internalProcess(ActiveRequestResponseCacheValve.java:74)<br/>17:02:38,440 ERROR [STDERR]     at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:47)<br/>17:02:38,440 ERROR [STDERR]     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)<br/>17:02:38,441 ERROR [STDERR]     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)<br/>17:02:38,441 ERROR [STDERR]     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:599)<br/>17:02:38,441 ERROR [STDERR]     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:451)<br/>17:02:38,441 ERROR [STDERR]     at java.lang.Thread.run(Thread.java:662)<br/>17:02:38,441 ERROR [STDERR] Caused by: org.jboss.soa.esb.services.registry.RegistryException: Invocation exception. null<br/>17:02:38,441 ERROR [STDERR]     at org.jboss.soa.esb.services.registry.RegistryFactory.createRegistry(RegistryFactory.java:121)<br/>17:02:38,441 ERROR [STDERR]     at org.jboss.soa.esb.services.registry.RegistryFactory.getRegistry(RegistryFactory.java:86)<br/>17:02:38,441 ERROR [STDERR]     at org.jboss.soa.esb.listeners.RegistryUtil.getEprs(RegistryUtil.java:222)<br/>17:02:38,441 ERROR [STDERR]     at org.jboss.soa.esb.client.ServiceInvoker.loadServiceClusterInfo(ServiceInvoker.java:567)<br/>17:02:38,441 ERROR [STDERR]     ... 73 more<br/>17:02:38,441 ERROR [STDERR] Caused by: java.lang.NullPointerException<br/>17:02:38,441 ERROR [STDERR]     at java.lang.Class.forName0(Native Method)<br/>17:02:38,441 ERROR [STDERR]     at java.lang.Class.forName(Class.java:249)<br/>17:02:38,441 ERROR [STDERR]     at org.jboss.soa.esb.util.ClassUtil.forName(ClassUtil.java:65)<br/>17:02:38,441 ERROR [STDERR]     at org.jboss.soa.esb.services.registry.RegistryFactory.createRegistry(RegistryFactory.java:110)<br/>17:02:38,441 ERROR [STDERR]     ... 76 more</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>It seems that is a classpath problem  but I have deployed in WEB-INF/lib of  business-central-server.war  a jar containing the workitemhandler implementation and these files: jbossesb-properties.xml, jndi.properties and META-INF/uddi.xml</p><p>In WEB-INF/lib of  business-central-server.war  there are also the jbossesb-*.jar  , juddi-client-*.jar and uddi-ws.*.jar. The other libraries to invoke an external client are deployed under <server-name>/lib </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>These client with the dependencies described is successfully invoked from my standalone jbds environment.  Where is the best place to deploy lib for my esbclient?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Any help is appreciated</p><p>thanks</p><p>rocco</p></div>
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