[jboss-jira] [JBoss JIRA] Commented: (JBPM-1027) Problem with fork/join

Tue Jul 31 08:59:49 EDT 2007

    [ http://jira.jboss.com/jira/browse/JBPM-1027?page=comments#action_12370558 ] 

Edward Staub commented on JBPM-1027:
------------------------------------

Matthew,

If you chase the issues noted in the original comment-out, they lead to:  BPEL-260
Which is about concurrency issues.

In an asynch (Job-running) environment, the fix you removed doesn't appear to work in all cases anyway.  
See JBPM-983 for more info.  The FORCE-lock doesn't cut it - if another thread has already read the token and tries to update it (including FORCE), they're hosed with a stale object when they commit or FORCE.  But it may have some value in some cases - I don't know all the use cases.

> Problem with fork/join 
> -----------------------
>
>                 Key: JBPM-1027
>                 URL: http://jira.jboss.com/jira/browse/JBPM-1027
>             Project: JBoss jBPM
>          Issue Type: Bug
>          Components: Core Engine
>    Affects Versions:  jBPM jPDL 3.2.1
>         Environment: windows and red hat linux
>            Reporter: Matthew Sandoz
>         Assigned To: Tom Baeyens
>         Attachments: ForkTest.zip
>
>
> 1. jbpm 3.2.1
> 2. postgres 8.2
> 3. JDK 1.5
> 4. run the included unit test with the included hibernate.cfg.xml
> the first three tests fail. the other tests fail as well if you continue to signal the process instance

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