[jboss-user] [JBoss jBPM] - Process Instance not created

dilsent do-not-reply at jboss.com
Wed May 7 13:47:50 EDT 2008


Hi,

I am using Seam-2.0.2.CR1 with jBPM .I am running into a small isssue,would 

apreciate if anyone could help on that.

I am trying to create a process from a JSF page.


  | 
  | <rich:panel styleClass="stack0" columns="1"
  | 	xmlns="http://www.w3.org/1999/xhtml"
  | 	xmlns:s="http://jboss.com/products/seam/taglib"
  | 	xmlns:ui="http://java.sun.com/jsf/facelets"
  | 	xmlns:f="http://java.sun.com/jsf/core"
  | 	xmlns:h="http://java.sun.com/jsf/html"
  | 	xmlns:a4j="http://richfaces.org/a4j"
  | 	xmlns:rich="http://richfaces.org/rich">
  | 	
  | 	<rich:panel name="stack1a" styleClass="stack1">
  | 		
  | 	</rich:panel>
  | 
  | 	
  | 
  | 	<rich:panel name="stack4a" styleClass="stack4">
  | 		<h:outputText>MAIN PORTION OF STACK</h:outputText>
  | 	</rich:panel>
  | 	
  | 	<rich:panel name="stack5a" styleClass="stack5">
  | 		<s:button id="Previous" value="Previous" action="#{salesProcessFlow.prev}"/>
  | 		<s:button id="Next" value="Next" action="#{salesProcessFlow.next}"/>
  | 		<s:button id="State" value="State" action="#{salesProcessFlow.createProcess}"/>
  | 		<h:commandButton id="Cancel" value="Cancel" />
  | 	</rich:panel>
  | </h:form>
  | 	<rich:panel name="stack6a" styleClass="stack6">
  | 		<h:outputText>Timer</h:outputText>
  | 		<!-- <rich:progressBar mode="client" id="timerBar"> -->
  | 		<!-- </rich:progressBar> -->
  | 	</rich:panel>
  | 
  | </rich:panel>
  | 
  | 
  | The "State" button invokes the createProcess method in my stateful bean
  | 
  | 
  | 
  | import javax.ejb.Remove;
  | import javax.ejb.Stateful;
  | import org.jboss.seam.ScopeType;
  | import org.jboss.seam.annotations.Destroy;
  | import org.jboss.seam.annotations.In;
  | import org.jboss.seam.annotations.Logger;
  | import org.jboss.seam.annotations.Name;
  | import org.jboss.seam.annotations.Out;
  | import org.jboss.seam.annotations.Scope;
  | import org.jboss.seam.annotations.bpm.CreateProcess;
  | import org.jboss.seam.log.Log;
  | import org.jbpm.graph.exe.ProcessInstance;
  | import com.allconnect.viper.interfaces.local.SalesProcessFlowLocal;
  | 
  | /
  | 
  | @Stateful
  | @Scope( ScopeType.SESSION )
  | @Name( "salesProcessFlow" )
  | public class SalesProcessFlow implements SalesProcessFlowLocal
  | {
  |     private String processtokens = "start";
  |     
  |     @In(value="processInstance", required=false, scope=ScopeType.BUSINESS_PROCESS)
  |     @Out(value="processInstance", required = false )
  |     private ProcessInstance processInstance;
  | 
  |     @Logger
  |     private static Log logger;
  |     
  | 
  | 
  |     /**
  |      * Default Constructor.
  |      */
  |     SalesProcessFlow()
  |     {
  | 
  |     }
  | 
  |     /**
  |      * Method is used to retrieve token information.
  |      * {@inheritDoc}
  |      */
  | 
  |     @CreateProcess( definition = "SalesFlow" )
  |     public void createProcess()
  |     {
  |         
  |     }
  |    
  |     /**
  |      * {@inheritDoc}
  |      */
  |     @org.jboss.seam.annotations.bpm.ResumeProcess(definition="SalesFlow" )
  |     public void next()
  |     {
  |         logger.debug( "Got into Next Function" );
  |         logger.debug( "processInstance is " + processInstance );
  |         processInstance.signal( "Next" );
  |     }
  | 
  |     /**
  |      * {@inheritDoc}
  |      */
  |     public void prev()
  |     {
  |         // Do nothing right now.
  |     }
  |     
  |  
  |     public String getProcessTokens()
  |     {
  |         return processtokens;
  |     }
  | 
  |     public void setProcessTokens( final String processtokens )
  |     {
  |         this.processtokens = processtokens;
  |     }
  | 
  |     /**
  |      * Basic Destroy.
  |      */
  |     @Remove
  |     @Destroy
  |     public void destroy()
  |     {
  |     }
  | 
  | }
  | 
  | The the process definition file is within the deployed EAR. 
  | 
  | The "Next" button invokes the next method,which returns an error message.I have include the stack trace for reference.
  | I am not sure why the processInstance is not created..
  | 
  | Error trace
  | 
  | 2008-05-07 12:40:53,945 DEBUG [org.jboss.seam.core.Events] Processing event:org.jboss.seam.postRemoveVariable.salesProcessFlow
  | 2008-05-07 12:40:53,945 DEBUG [org.jboss.seam.ejb.RemoveInterceptor] Stateful component was removed: salesProcessFlow
  | 2008-05-07 12:40:53,945 ERROR [org.jboss.seam.jsf.SeamPhaseListener] uncaught exception
  | javax.el.ELException: javax.ejb.EJBTransactionRolledbackException: task/process id may not be null
  | 	at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:333)
  | 	at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:342)
  | 	at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58)
  | 	at org.jboss.el.parser.AstValue.invoke(AstValue.java:96)
  | 	at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
  | 	at org.jboss.seam.core.Expressions$2.invoke(Expressions.java:173)
  | 	at org.jboss.seam.navigation.Pages.callAction(Pages.java:643)
  | 	at org.jboss.seam.navigation.Pages.preRender(Pages.java:296)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.preRenderPage(SeamPhaseListener.java:560)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.beforeRenderResponse(SeamPhaseListener.java:471)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.beforeServletPhase(SeamPhaseListener.java:144)
  | 	at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:114)
  | 	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:222)
  | 	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
  | 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
  | 	at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
  | 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 	at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
  | 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 	at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
  | 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
  | 	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
  | 	at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
  | 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 	at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
  | 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 	at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
  | 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 	at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  | 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  | 	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  | 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
  | 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  | 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  | 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  | 	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
  | 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  | 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
  | 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  | 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
  | 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
  | 	at java.lang.Thread.run(Thread.java:619)
  | Caused by: javax.ejb.EJBTransactionRolledbackException: task/process id may not be null
  | 	at org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx(Ejb3TxPolicy.java:87)
  | 	at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:130)
  | 	at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:83)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
  | 	at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.stateful.StatefulContainer.localInvoke(StatefulContainer.java:206)
  | 	at org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:119)
  | 	at $Proxy129.next(Unknown Source)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 	at java.lang.reflect.Method.invoke(Method.java:597)
  | 	at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  | 	at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
  | 	at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:76)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  | 	at org.jboss.seam.ejb.RemoveInterceptor.aroundInvoke(RemoveInterceptor.java:41)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 	at org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:32)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
  | 	at org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:54)
  | 	at org.javassist.tmp.java.lang.Object_$$_javassist_6.next(Object_$$_javassist_6.java)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 	at java.lang.reflect.Method.invoke(Method.java:597)
  | 	at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329)
  | 	... 51 more
  | Caused by: java.lang.IllegalStateException: task/process id may not be null
  | 	at org.jboss.seam.bpm.BusinessProcessInterceptor.getProcessOrTaskId(BusinessProcessInterceptor.java:159)
  | 	at org.jboss.seam.bpm.BusinessProcessInterceptor.beforeInvocation(BusinessProcessInterceptor.java:76)
  | 	at org.jboss.seam.bpm.BusinessProcessInterceptor.aroundInvoke(BusinessProcessInterceptor.java:43)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 	at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 	at org.jboss.seam.persistence.EntityManagerProxyInterceptor.aroundInvoke(EntityManagerProxyInterceptor.java:26)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 	at org.jboss.seam.persistence.HibernateSessionProxyInterceptor.aroundInvoke(HibernateSessionProxyInterceptor.java:27)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
  | 	at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:50)
  | 	at sun.reflect.GeneratedMethodAccessor105.invoke(Unknown Source)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 	at java.lang.reflect.Method.invoke(Method.java:597)
  | 	at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
  | 	at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.entity.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPersistenceContextPropagationInterceptor.java:57)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
  | 	... 87 more
  | 2008-05-07 12:40:54,045 DEBUG [org.jboss.seam.Component] instantiating Seam component: org.jboss.seam.exception.exceptions
  | 2008-05-07 12:40:54,045 DEBUG [org.jboss.seam.Component] initializing new instance of: org.jboss.seam.exception.exceptions
  | 2008-05-07 12:40:54,045 DEBUG [org.jboss.seam.Component] done initializing: org.jboss.seam.exception.exceptions
  | 2008-05-07 12:40:54,045 DEBUG [org.jboss.seam.Component] instantiating Seam component: org.jboss.seam.core.events
  | 2008-05-07 12:40:54,045 DEBUG [org.jboss.seam.Component] initializing new instance of: org.jboss.seam.core.events
  | 2008-05-07 12:40:54,045 DEBUG [org.jboss.seam.Component] done initializing: org.jboss.seam.core.events
  | 2008-05-07 12:40:54,045 DEBUG [org.jboss.seam.Component] instantiating Seam component: org.jboss.seam.core.even
  | 
  | 
  | Thanks in advance

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