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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