Hi, I have a simple process: <process-definition name="SimpleWorkflow"> | <start-state name="start"> | <transition to="end"></transition> | </start-state> | | <end-state name="end"></end-state> | </process-definition>
This is started from the following stateful bean: @Stateful | @Name("SimpleWorkflowManager") | public class SimpleWorkflowManagerImpl implements SimpleWorkflowManager, Serializable { | | private static final long serialVersionUID = 1L; | | @Logger | private static Log LOG; | | @PersistenceContext(type = PersistenceContextType.EXTENDED) | private EntityManager entityManager; | | @CreateProcess(definition = "SimpleWorkflow") | public void begin() { | LOG.debug("begin"); | LOG.debug("end"); | } | | @Remove | @Destroy | public void destroy() { | } | } Called from the following page: !DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" | "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | <ui:composition 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:rich="http://richfaces.ajax4jsf.org/rich" | template="../layout/template.xhtml"> | <ui:define name="body"> | <h:messages styleClass="message" /> | <s:link action="#{SimpleWorkflowManager.begin}" | value="Start Simple Workflow" /> | <f:view> | <h:form id="list"> | <div> | <rich:dataTable value="#{taskInstanceList}" var="task"> | <rich:column> | <f:facet name="header"> | <h:outputText value="Name" /> | </f:facet> | <h:outputText value="#{task.name}" /> | </rich:column> | <rich:column> | <f:facet name="header"> | <h:outputText value="Description" /> | </f:facet> | <h:outputText value="#{task.description}" /> | </rich:column> | </rich:dataTable> | </div> | </h:form> | </f:view> | </ui:define> | </ui:composition> | And I get the following error after clicking the link: 21:17:55,957 ERROR [SeamPhaseListener.afterPhase] uncaught exception | java.lang.NullPointerException | at org.jboss.seam.contexts.BusinessProcessContext.getNamesFromContext(BusinessProcessContext.java:109) | at org.jboss.seam.contexts.BusinessProcessContext.getNames(BusinessProcessContext.java:92) | at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:220) | at org.jboss.seam.contexts.Lifecycle.flushAndDestroyContexts(Lifecycle.java:404) | at org.jboss.seam.contexts.Lifecycle.endRequest(Lifecycle.java:315) | at org.jboss.seam.jsf.AbstractSeamPhaseListener.afterRender(AbstractSeamPhaseListener.java:256) | at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:115) | at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersAfter(PhaseListenerManager.java:89) | at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:391) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) | at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) | at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) | at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | at java.lang.Thread.run(Thread.java:619) | 21:17:55,958 ERROR [SeamPhaseListener.afterPhase] swallowing exception | java.lang.NullPointerException | at org.jboss.seam.contexts.BusinessProcessContext.getNamesFromContext(BusinessProcessContext.java:109) | at org.jboss.seam.contexts.BusinessProcessContext.getNames(BusinessProcessContext.java:92) | at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:220) | at org.jboss.seam.contexts.Lifecycle.flushAndDestroyContexts(Lifecycle.java:404) | at org.jboss.seam.contexts.Lifecycle.endRequest(Lifecycle.java:315) | at org.jboss.seam.jsf.AbstractSeamPhaseListener.afterRender(AbstractSeamPhaseListener.java:256) | at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:115) | at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersAfter(PhaseListenerManager.java:89) | at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:391) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) | at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) | at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) | at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) | at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) | at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | at java.lang.Thread.run(Thread.java:619) Thanks in advance. 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