Process Instance not created
dilsent May 7, 2008 1:47 PMHi,
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