[jbpm-issues] [JBoss JIRA] Commented: (JBPM-2570) Problem with Fork/Join

[Ronald van Kuijk (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBPM-2570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12506755#action_12506755 ] 

Ronald van Kuijk commented on JBPM-2570:
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Sebastian,

Do you have a real full unittest for this? I 'fixed' something in https://jira.jboss.org/jira/browse/JBPM-2749 which might be related. 



> Problem with Fork/Join
> ----------------------
>
>                 Key: JBPM-2570
>                 URL: https://jira.jboss.org/jira/browse/JBPM-2570
>             Project: jBPM
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: Runtime Engine
>    Affects Versions: jBPM 4.0
>         Environment: Windows xp, eclipse Version: 3.4.2 , using hibernate and spring.
>            Reporter: Sebastian Castellanos
>            Assignee: Alejandro Guizar
>             Fix For: jBPM 4.x
>
>         Attachments: a.jpdl.xml
>
>
> I am having some problems with the Forks / join when I have assigned swimlanes, and I can't figure it out yet. Perhaps you can think of something.
> I have a simple graph with 5 tasks. Task 1, Task 2 Task 3 Task 4 and Task 5. I also have a fork and two joins.
> The situation is like this:
> The process starts and then launches a Fork that runs 3 tasks, Task 1, 2 and 3. which have different swimlanes associated to them.
> of these 3 tasks, Task 1 and Task 2 converge on Join 1, which continues the thread to task 4.
> Task 4 has a transition to Join 2, which is responsible for closing task 3 (originally launched with Task 1 and Task 2 but not yet closed).
> Once task 3 and 4 finish, the flow should continue.
> Theoretically, it seems to be fine. Practically, the Fork / Join work if I do not assign swimlanes. But when I assign different swimlanes to the initial tasks T1 T2 and T3 the process gives problems, it won't let me close the first fork. Because Task 1 and Task 2 have different  swimlanes (it is giving me a foreign key error between the active task table and the swimlane table). From what I see, it wants to delete from the active task table after finishing a task, but it does not delete from the swimlane table, thus the foreign key error emerges.
> This is the error.
> Could not delete:
> [org.jbpm.pvm.internal.task.SwimlaneImpl # 164]; nested exception is org.hibernate.exception.ConstraintViolationException

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