Hi,

I have create a little portlet which must run the webapp application for 
beginning. I want to assign ernie to the current actor, so I used 
jbpmContext.setActorId("ernie"); but when I use this methode I have this error 
and say me that is a null pointer. 

somebody can help me please to understand how can I resolve this error?

I put my code and my error under.

thank you for you help

antitrust1982

my code:


  | 
  | 
  | public class CreateProcessInstanceAction extends ActionSupport{
  |     
  |     [...]
  |     @Override
  |     public String execute() throws Exception {
  |             
  |             System.out.println("#### execute");
  |             System.out.println("Create process instance" );
  |             
  |             processDefinition = ProcessDefinition.parseXmlString(
  |                "<process-definition name='websale' 
xmlns='urn:jbpm.org:jpdl-3.1'>"+
  |                         "<swimlane name='buyer'/>"+
  |                             "<swimlane name='salesman'>"+
  |                                     "<assignment expression='user(ernie)' 
/>"+
  |                             "</swimlane>"+
  |                             "<swimlane name='accountant'>"+
  |                                     "<assignment expression='user(bert)' 
/>"+
  |                         "</swimlane>"+
  |                             "<swimlane name='shipper'>"+
  |                                     "<assignment expression='user(grover)' 
/>"+
  |                         "</swimlane>"+
  |                     
  |                      "<start-state name='create new web sale order'>"+
  |                              "<task swimlane='salesman'>"+
  |                                  "<controller>"+
  |                                       "<variable name='item'/>"+
  |                                       "<variable name='quantity'/>"+
  |                                       "<variable name='address'/>"+
  |                                  "</controller>"+
  |                               "</task>"+
  |                               "<transition to='evaluate web order' />"+
  |                      "</start-state>"+
  |                      
  |                      "<task-node name='evaluate web order'>"+
  |                             "<task swimlane='salesman'>"+
  |                                 "<controller>"+
  |                                     "<variable name='item' access='read'/>"+
  |                                     "<variable name='quantity' 
access='read'/>"+
  |                                     "<variable name='address' 
access='read'/>"+
  |                                     "<variable name='comment'/>"+
  |                                 "</controller>"+
  |                             "</task>"+
  |                             "<transition name='ok' to='salefork' />"+
  |                             "<transition name='more info needed' to='fix 
web order data' />"+
  |                   "</task-node>"+
  |                     
  |                   "<task-node name='fix web order data'>"+
  |                              "<task swimlane='salesman'>"+
  |                                     "<controller>"+
  |                                             "<variable name='comment' 
access='read'/>"+
  |                                             "<variable name='item' />"+
  |                                     "<variable name='quantity' />"+
  |                                     "<variable name='address' />"+
  |                                 "</controller>"+
  |                              "</task>"+
  |                              "<transition to='evaluate web order' />"+
  |                       "</task-node>"+
  |                       
  |                       "<fork name='salefork'>"+
  |                             "<transition name='payment'  to='wait for 
money' />"+
  |                             "<transition name='shipping' to='ship item' />"+
  |                             "</fork>"+  
  |                             "<task-node name='wait for money'>"+
  |                         "<task swimlane='accountant'>"+
  |                             "<controller>"+
  |                                     "<variable name='item' access='read' 
/>"+
  |                                     "<variable name='quantity' 
access='read' />"+
  |                                     "<variable name='address' access='read' 
/>"+
  |                                     "<variable name='money received' />"+
  |                             "</controller>"+
  |                          "</task>"+
  |                          "<transition to='update books' />"+
  |                          "</task-node>"+
  |                                 
  |                              "<node name='update books'>"+
  |                                     "<action 
class='org.jbpm.websale.UpdateBooks'>"+
  |                                             "<msg>accountancy application 
is now informed of the payment</msg>"+
  |                                     "</action>"+
  |                                     "<transition to='salejoin' />"+
  |                              "</node>"+
  |                                 
  |                               "<node name='ship item'>"+
  |                                     //"<action 
class='org.jbpm.websale.ShipItem'>"+
  |                                             
//"<swimlaneName>buyer</swimlaneName>"+
  |                                             //"<msg>${shipper} now ships 
${item} to ${address}</msg>"+
  |                               //  "</action>"+
  |                                 "<transition to='salejoin' />"+
  |                               "</node>"+
  |                                 
  |                               "<join name='salejoin'>"+
  |                                  " <transition to='end' />"+
  |                               "</join>"+  
  | 
  |                               "<end-state name='end' />"+
  | 
  |                     "</process-definition>"
  |               );
  |             System.out.println("################## debut jbpm configuration 
#############"); 
  |             
  |             jbpmConfiguration = JbpmConfiguration.parseXmlString(
  |                   "<jbpm-configuration>" +
  |                   
  |                   // A jbpm-context mechanism separates the jbpm core 
  |                   // engine from the services that jbpm uses from 
  |                   // the environment.  
  |                   
  |                   "  <jbpm-context>" +
  |                   "    <service name='persistence' " +
  |                   "             
factory='org.jbpm.persistence.db.DbPersistenceServiceFactory' />" + 
  |                   "  </jbpm-context>" +
  |                   
  |                   // Also all the resource files that are used by jbpm are 
  |                   // referenced from the jbpm.cfg.xml
  |                   
  |                   "  <string name='resource.hibernate.cfg.xml' " +
  |                   "          value='hibernate.cfg.xml' />" +
  |                   "  <string name='resource.business.calendar' " +
  |                   "          
value='org/jbpm/calendar/jbpm.business.calendar.properties' />" +
  |                   "  <string name='resource.default.modules' " +
  |                   "          
value='org/jbpm/graph/def/jbpm.default.modules.properties' />" +
  |                   "  <string name='resource.converter' " +
  |                   "          
value='org/jbpm/db/hibernate/jbpm.converter.properties' />" +
  |                   "  <string name='resource.action.types' " +
  |                   "          value='org/jbpm/graph/action/action.types.xml' 
/>" +
  |                   "  <string name='resource.node.types' " +
  |                   "          value='org/jbpm/graph/node/node.types.xml' />" 
+
  |                   "  <string name='resource.varmapping' " +
  |                   "          
value='org/jbpm/context/exe/jbpm.varmapping.xml' />" +
  |                   "</jbpm-configuration>"
  |                 );
  |               
  |   
  |             System.out.println("############# nouvelle instance du process 
######################");
  |               ProcessInstance processInstance = 
  |                   new ProcessInstance(processDefinition);
  |               System.out.println("################## 
processinstance(processDefinition)");
  |               
  |                     JbpmContext     jbpmContext = 
jbpmConfiguration.createJbpmContext();
  |                     jbpmContext.setActorId("ernie");
  |                     try {
  |                             
jbpmContext.deployProcessDefinition(processDefinition);
  |                         System.out.println("######### dans le 
try###########");
  | [...]
  |             }           
  |             finally {
  |                         System.out.println("dans finally");
  |                         jbpmContext.close();
  |                         System.out.println("fermeture du context");
  |                     } 
  |               
  |               return SUCCESS;
  |     }
  | }


my error:
10:43:38,819 INFO  [STDOUT] #### execute
  | 10:43:38,819 INFO  [STDOUT] Create process instance
  | 10:43:38,850 INFO  [JbpmConfiguration] using jbpm configuration resource 
'jbpm.cfg.xml'
  | 10:43:38,944 WARN  [JpdlXmlReader] process xml warning: swimlane 'buyer' 
does not have an assignment
  | 10:43:39,007 WARN  [JpdlXmlReader] process xml warning: swimlane 'buyer' 
does not have an assignment
  | 10:43:39,007 INFO  [STDOUT] ################## debut jbpm configuration 
#############
  | 10:43:39,007 INFO  [STDOUT] ############# nouvelle instance du process 
######################
  | 10:43:39,038 INFO  [STDOUT] ################## 
processinstance(porcessDefinition)
  | 10:43:39,054 ERROR [Jsr168Dispatcher] Could not execute action
  | java.lang.NullPointerException
  |         at org.jbpm.JbpmContext.setActorId(JbpmContext.java:459)
  |         at 
com.opensymphony.webwork.portlet.tutorial.CreateProcessInstanceAction.execute(CreateProcessInstanceAction.java:190)
  |         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:585)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:365)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:217)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:191)
  |         at 
com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:137)
  |         at 
com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:115)
  |         at 
com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.webwork.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:136)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:151)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:100)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:113)
  |         at 
com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.serviceAction(Jsr168Dispatcher.java:325)
  |         at 
com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.render(Jsr168Dispatcher.java:210)
  |         at 
org.jboss.portal.portlet.PortletContainer.invokeRender(PortletContainer.java:521)
  |         at 
org.jboss.portal.portlet.PortletContainer.dispatch(PortletContainer.java:433)
  |         at 
org.jboss.portal.server.app.ComponentInvocation.dispatch(ComponentInvocation.java:79)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at 
org.jboss.portal.core.aspects.component.TransactionInterceptor.invoke(TransactionInterceptor.java:72)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.component.HeaderInterceptor.invoke(HeaderInterceptor.java:50)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.NavigationInterceptor.invoke(NavigationInterceptor.java:76)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.CacheInterceptor.invoke(CacheInterceptor.java:167)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.ModesInterceptor.invoke(ModesInterceptor.java:88)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.WindowStatesInterceptor.invoke(WindowStatesInterceptor.java:87)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.bridge.BridgeInterceptor.invoke(BridgeInterceptor.java:49)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.portlet.aspects.component.SessionPostDispatchInterceptor.invoke(SessionPostDispatchInterceptor.java:65)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$InvokeNextCommand.execute(ContextDispatcherInterceptor.java
  | :129)
  |         at sun.reflect.GeneratedMethodAccessor202.invoke(Unknown Source)
  |         at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at 
org.jboss.portal.server.servlet.CommandServlet.doGet(CommandServlet.java:101)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
  |         at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:539)
  |         at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
  |         at 
org.jboss.portal.server.app.impl.AbstractRequestContext.include(AbstractRequestContext.java:247)
  |         at 
org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$1.include(ContextDispatcherInterceptor.java:73)
  |         at 
org.jboss.portal.server.servlet.CommandServlet.include(CommandServlet.java:81)
  |         at 
org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor.invoke(ContextDispatcherInterceptor.java:79)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.portlet.aspects.component.SessionPreDispatchInterceptor.invoke(SessionPreDispatchInterceptor.java:94)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.ContextTrackerInterceptor.invoke(ContextTrackerInterceptor.java:49)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.portlet.aspects.component.SecureTransportInterceptor.invoke(SecureTransportInterceptor.java:69)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.portlet.aspects.component.ValveInterceptor.invoke(ValveInterceptor.java:64)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at 
org.jboss.portal.core.command.RenderWindowCommand.execute(RenderWindowCommand.java:84)
  |         at 
org.jboss.portal.core.command.ControllerCommand.dispatch(ControllerCommand.java:78)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at 
org.jboss.portal.core.aspects.controller.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java:85)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:168)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:61)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.NavigationInterceptor.invoke(NavigationInterceptor.java:68)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at 
org.jboss.portal.core.command.CommandContext.execute(CommandContext.java:107)
  |         at 
org.jboss.portal.core.command.CommandContext.chain(CommandContext.java:141)
  |         at 
org.jboss.portal.core.command.RenderPageCommand.renderPortlets(RenderPageCommand.java:231)
  |         at 
org.jboss.portal.core.command.RenderPageCommand.execute(RenderPageCommand.java:164)
  |         at 
org.jboss.portal.core.command.ControllerCommand.dispatch(ControllerCommand.java:78)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at 
org.jboss.portal.core.aspects.controller.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java:85)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:168)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:61)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.NavigationInterceptor.invoke(NavigationInterceptor.java:58)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at 
org.jboss.portal.core.command.CommandContext.execute(CommandContext.java:107)
  |         at 
org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:93)
  |         at 
org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:151)
  |         at 
org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:77)
  |         at 
org.jboss.portal.core.CoreController.handle(CoreController.java:190)
  |         at sun.reflect.GeneratedMethodAccessor175.invoke(Unknown Source)
  |         at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
  |         at 
org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at 
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
  |         at 
org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
  |         at 
org.jboss.mx.util.JMXInvocationHandler.invoke(JMXInvocationHandler.java:273)
  |         at $Proxy133.handle(Unknown Source)
  |         at 
org.jboss.portal.server.ServerInvocation.dispatch(ServerInvocation.java:76)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at 
org.jboss.portal.core.aspects.server.SubjectAssociationInterceptor.invoke(SubjectAssociationInterceptor.java:47)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.server.PolicyAssociationInterceptor.invoke(PolicyAssociationInterceptor.java:52)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.server.ContentTypeInterceptor.invoke(ContentTypeInterceptor.java:68)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.server.LocaleInterceptor.invoke(LocaleInterceptor.java:69)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.server.UserInterceptor.invoke(UserInterceptor.java:184)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.server.SessionInvalidatorInterceptor.invoke(SessionInvalidatorInterceptor.java:87)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.server.TransactionInterceptor.invoke(TransactionInterceptor.java:75)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at 
org.jboss.portal.server.servlet.PortalServlet.doGet(PortalServlet.java:221)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
  |         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.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
  |         at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
  |         at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407)
  |         at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
  |         at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |         at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |         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:856)
  |         at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
  |         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:595)
  | 10:43:39,085 ERROR [Jsr168Dispatcher] The portlet threw an exception
  | javax.portlet.PortletException: Error executing action processInstance
  |         at 
com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.serviceAction(Jsr168Dispatcher.java:339)
  |         at 
com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.render(Jsr168Dispatcher.java:210)
  |         at 
org.jboss.portal.portlet.PortletContainer.invokeRender(PortletContainer.java:521)
  |         at 
org.jboss.portal.portlet.PortletContainer.dispatch(PortletContainer.java:433)
  |         at 
org.jboss.portal.server.app.ComponentInvocation.dispatch(ComponentInvocation.java:79)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at 
org.jboss.portal.core.aspects.component.TransactionInterceptor.invoke(TransactionInterceptor.java:72)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.component.HeaderInterceptor.invoke(HeaderInterceptor.java:50)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.NavigationInterceptor.invoke(NavigationInterceptor.java:76)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.CacheInterceptor.invoke(CacheInterceptor.java:167)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.ModesInterceptor.invoke(ModesInterceptor.java:88)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.WindowStatesInterceptor.invoke(WindowStatesInterceptor.java:87)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.bridge.BridgeInterceptor.invoke(BridgeInterceptor.java:49)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.portlet.aspects.component.SessionPostDispatchInterceptor.invoke(SessionPostDispatchInterceptor.java:65)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$InvokeNextCommand.execute(ContextDispatcherInterceptor.java
  | :129)
  |         at sun.reflect.GeneratedMethodAccessor202.invoke(Unknown Source)
  |         at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at 
org.jboss.portal.server.servlet.CommandServlet.doGet(CommandServlet.java:101)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
  |         at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:539)
  |         at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
  |         at 
org.jboss.portal.server.app.impl.AbstractRequestContext.include(AbstractRequestContext.java:247)
  |         at 
org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$1.include(ContextDispatcherInterceptor.java:73)
  |         at 
org.jboss.portal.server.servlet.CommandServlet.include(CommandServlet.java:81)
  |         at 
org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor.invoke(ContextDispatcherInterceptor.java:79)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.portlet.aspects.component.SessionPreDispatchInterceptor.invoke(SessionPreDispatchInterceptor.java:94)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.component.ContextTrackerInterceptor.invoke(ContextTrackerInterceptor.java:49)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.portlet.aspects.component.SecureTransportInterceptor.invoke(SecureTransportInterceptor.java:69)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.portlet.aspects.component.ValveInterceptor.invoke(ValveInterceptor.java:64)
  |         at 
org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at 
org.jboss.portal.core.command.RenderWindowCommand.execute(RenderWindowCommand.java:84)
  |         at 
org.jboss.portal.core.command.ControllerCommand.dispatch(ControllerCommand.java:78)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at 
org.jboss.portal.core.aspects.controller.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java:85)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:168)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:61)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.NavigationInterceptor.invoke(NavigationInterceptor.java:68)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at 
org.jboss.portal.core.command.CommandContext.execute(CommandContext.java:107)
  |         at 
org.jboss.portal.core.command.CommandContext.chain(CommandContext.java:141)
  |         at 
org.jboss.portal.core.command.RenderPageCommand.renderPortlets(RenderPageCommand.java:231)
  |         at 
org.jboss.portal.core.command.RenderPageCommand.execute(RenderPageCommand.java:164)
  |         at 
org.jboss.portal.core.command.ControllerCommand.dispatch(ControllerCommand.java:78)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at 
org.jboss.portal.core.aspects.controller.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java:85)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:168)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:61)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.controller.NavigationInterceptor.invoke(NavigationInterceptor.java:58)
  |         at 
org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at 
org.jboss.portal.core.command.CommandContext.execute(CommandContext.java:107)
  |         at 
org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:93)
  |         at 
org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:151)
  |         at 
org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:77)
  |         at 
org.jboss.portal.core.CoreController.handle(CoreController.java:190)
  |         at sun.reflect.GeneratedMethodAccessor175.invoke(Unknown Source)
  |         at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
  |         at 
org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at 
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
  |         at 
org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
  |         at 
org.jboss.mx.util.JMXInvocationHandler.invoke(JMXInvocationHandler.java:273)
  |         at $Proxy133.handle(Unknown Source)
  |         at 
org.jboss.portal.server.ServerInvocation.dispatch(ServerInvocation.java:76)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at 
org.jboss.portal.core.aspects.server.SubjectAssociationInterceptor.invoke(SubjectAssociationInterceptor.java:47)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.server.PolicyAssociationInterceptor.invoke(PolicyAssociationInterceptor.java:52)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.server.ContentTypeInterceptor.invoke(ContentTypeInterceptor.java:68)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.server.LocaleInterceptor.invoke(LocaleInterceptor.java:69)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.server.UserInterceptor.invoke(UserInterceptor.java:184)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.aspects.server.SessionInvalidatorInterceptor.invoke(SessionInvalidatorInterceptor.java:87)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.core.aspects.server.TransactionInterceptor.invoke(TransactionInterceptor.java:75)
  |         at 
org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at 
org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at 
org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at 
org.jboss.portal.server.servlet.PortalServlet.doGet(PortalServlet.java:221)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
  |         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.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
  |         at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
  |         at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407)
  |         at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
  |         at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |         at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |         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:856)
  |         at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
  |         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:595)
  | Caused by: java.lang.NullPointerException
  |         at org.jbpm.JbpmContext.setActorId(JbpmContext.java:459)
  |         at 
com.opensymphony.webwork.portlet.tutorial.CreateProcessInstanceAction.execute(CreateProcessInstanceAction.java:190)
  |         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:585)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:365)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:217)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:191)
  |         at 
com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:137)
  |         at 
com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:115)
  |         at 
com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.webwork.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:136)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:151)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:100)
  |         at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at 
com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:113)
  |         at 
com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.serviceAction(Jsr168Dispatcher.java:325)
  |         ... 160 more

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