[jboss-user] [jBPM] - Re: jBPM 4.2 to 4.4 - Upgrade Issue

Michael Wohlfart do-not-reply at jboss.com
Wed Dec 22 14:44:44 EST 2010

Michael Wohlfart [http://community.jboss.org/people/mwohlf] created the discussion

"Re: jBPM 4.2 to 4.4 - Upgrade Issue"

To view the discussion, visit: http://community.jboss.org/message/577262#577262

the DBID_ should be unique so the constraint violation is indeed a problem, the engine should generate the DBID_ the config part in
jbpm4.cfg.xml looks like this:

<object class="org.jbpm.pvm.internal.id.DatabaseDbidGenerator">
      <field name="targetExceptionClass"><class class-name="org.hibernate.StaleStateException" /></field>
      <field name="commandService"><ref object="newTxRequiredCommandService" /></field>
<object class="org.jbpm.pvm.internal.id.DatabaseIdComposer" init="eager" />

and I think you are right the problem could be the DbidGenerator generating the same Dbid twice,
as far as i remember i have seen in the source somewhere that it is supposed to find the highest Dbid at bootup time, but not sure about that....

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