Thanks for the reply. 
The java code that I have supplied is in effect incorrect: the classes are not 
abstract. My processes are a little more complex, so I had simplified before 
post in the forum to avoid a lot of code. But the concept of the check executed 
in a specific range time in a manual or in a automatic way is however my target.

I have followed your suggestion and from Jboss log I have seen that both timers 
are created by CreateTimerAction. The problem is the signal in the 
AutomaticCheckAction: this will fire an before-signal and a node-leave event on 
the task-node. The first is not handled but the second, due to end-task="true" 
attribute, will cause an task-end event, so the timer in the task will be 
removed.

So I have tried to change the process definition with end-task="false" (the 
default) to preserve both timers when the execution follows KO transition. (As 
you can guess, this transition goes into a node where I notify the KO status 
(with a log message or a mail) and the returns into the task-node "check".)
Now I obtain the following exception:



  | org.jbpm.graph.def.DelegationException: 
org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:382)
  |     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.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:173)
  |     at 
org.jbpm.graph.def.ProcessDefinition_$$_javassist_184.raiseException(ProcessDefinition_$$_javassist_184.java)
  |     at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:373)
  |     at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:276)
  |     at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:215)
  |     at 
org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:185)
  |     at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:169)
  |     at org.jbpm.graph.def.Node.leave(Node.java:381)
  |     at org.jbpm.graph.node.TaskNode.leave(TaskNode.java:209)
  |     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.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:173)
  |     at 
org.jbpm.graph.def.Node_$$_javassist_252.leave(Node_$$_javassist_252.java)
  |     at org.jbpm.graph.exe.Token.signal(Token.java:192)
  |     at org.jbpm.graph.exe.Token.signal(Token.java:155)
  |     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.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:173)
  |     at 
org.jbpm.graph.exe.Token_$$_javassist_186.signal(Token_$$_javassist_186.java)
  | 

in the AutomaticCheckAction at line


  | token.signal(isOK ? "OK" : "KO");
  | 

This exception is also present int JBPM_JOB.EXCEPTION_ column.

I have notice that whan the execution leaves the task-node a CancelTimerAction 
will be invoked. This probably suggests that I never leave the node and the KO 
notification must be done in the task (in the AutomaticCheckAction). But this 
solution is valid only for the automatic check, not for the manual where I 
explicity click on a OK/KO form (and the notification can be done only in 
another node).

Any suggestions or any another approach?

Regards.





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