Jbpm 3.1.3. Using jbpm.sar in my AS I am trying use Jbpm in my webapp. I
created an ActionHandler and assigned it to a transition. I get the following
exception:
2007-01-28 09:15:46,656 ERROR [org.jbpm.instantiation.Delegation] couldn't load
delegation class 'com.eLynx.BPM.Handler.ConsentHandler'
java.lang.ClassNotFoundException: class 'com.eLynx.BPM.Handler.ConsentHandler'
could not be found by the process classloader
at
org.jbpm.instantiation.ProcessClassLoader.findClass(ProcessClassLoader.java:67)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at org.jbpm.instantiation.Delegation.instantiate(Delegation.java:140)
at org.jbpm.instantiation.Delegation.getInstance(Delegation.java:125)
at org.jbpm.graph.def.Action.execute(Action.java:122)
at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
at
org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
at org.jbpm.graph.def.Transition.take(Transition.java:106)
at org.jbpm.graph.def.Node.leave(Node.java:383)
...
My ActionHandler class is in the war file (classpath) of my webapp. Does it
need to be in the jbpm.sar deployment? That seems pretty weird. I have my
logging configured so that my application logs to its own file and I noticed
that this exception logs to the server file, not my app log, which suggests to
me that the jbpm service is what is trying to instantiate the class and its
classloader knows nothing about this class.
Is there a way around this. I don't want to have to put every custom action
handler in the jbpm.sar. I have existing code that I am trying to wrap with
jbpm to get better flexibility in managing process flow. Should I not use
jbpm.sar and instead run jbpm embedded in my application in the manner of the
simplewebapp example found on wiki? We have several webapps whose
functionality we want to bpm enable and that doesn't appear to be the optimal
way to approach it.
Thanks for all input.
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