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Is there a working jbpm3 tutorial?

i'm searching desperately for a working tutorial on how i can install jbpm3 and successfully run the demo websale process from the jbpm-console.

With jbpm 3.2.9 (and jboss 5.0.1 or 4.2.3, with hypersonic) i am able to log into the jbpm console, but when I try to create and evaluate the Create new web sale order task, i get the following exceptions:

Error Error completing task: An exception of type "org.jbpm.graph.def.DelegationException" was thrown. The message is: no applicable exception handler found Closing the database context failed: An exception of 开发者_JAVA技巧type org.hibernate.exception.GenericJDBCException was thrown, with the message: Cannot open connection

Does someone know an jbpm3 tutorial which just works?


ok it seens that it is a problem concerning the hsqldb's missing support for two phase commit transactions. my own processes runned fine as long as i didnt use any timers. the solution would be to install another db, for example postgres.

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