[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-1034) Usage of jBPM core:process-definitions needs clarification

[Arjan van Bentem (JIRA)]

Usage of jBPM core:process-definitions needs clarification
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                 Key: JBSEAM-1034
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1034
             Project: JBoss Seam
          Issue Type: Bug
          Components: Documentation
    Affects Versions: 1.2.0.GA
         Environment: All
            Reporter: Arjan van Bentem
            Priority: Minor


The Seam documentation for "21.6. Configuring jBPM in Seam" describes how to add jBPM process definitions to components.xml:

    <core:jbpm>
        <core:pageflow-definitions>
            <value>createDocument.jpdl.xml</value>
            <value>editDocument.jpdl.xml</value>
            <value>approveDocument.jpdl.xml</value>
        </core:pageflow-definitions>
        <core:process-definitions>
            <value>documentLifecycle.jpdl.xml</value>
        </core:process-definitions>
    </core:jbpm>

Nice, but as a side-effect a new copy is inserted into the database each time JBoss AS is started, even if the deployed EAR has not changed. This, of course, can only be noticed if in the example hibernate.cfg.xml from the DVD Store example the line

    <property name="hbm2ddl.auto">create-drop</property>

is changed into

    <property name="hbm2ddl.auto">update</property>

Apparently using <core:pageflow-definitions> is considered to be a developers tool:

http://www.jboss.com/index.html?module=bb&op=viewtopic&t=98430
http://www.jboss.com/index.html?module=bb&op=viewtopic&t=90206
http://www.jboss.com/index.html?module=bb&op=viewtopic&t=103819

I think this needs some clarification in the documentation, but unfortunately (right now) I would not know what is the preferred way to deploy processes in Seam on a production machine. The third topic might include some ideas from others on that.

Arjan.


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