[jboss-user] [jBPM Users] - JobScheduler going crazy - ignoring wait

rachel.primrose do-not-reply at jboss.com
Wed Aug 26 22:44:00 EDT 2009 

Hi guys,

I've got the same code (EXACTLY the same code) running on my windows machine, and on Ubuntu.

On windows, my java version is 1.6.0_13 on ubuntu it's 1.6.0_06.

My problem is that even using identical code, the scheduler on the ubuntu box goes crazy.

Here's my debug logs from the windows machine:


  | 2009-08-27 14:35:37,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:35:37,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-28 09:31:00.0
  | 2009-08-27 14:35:37,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.DispatcherThread  - DispatcherThread will wait for max 5000ms on org.jbpm.pvm.internal.jobexecutor.JobExecutor at 127e2ee
  | 2009-08-27 14:35:42,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.DispatcherThread  - DispatcherThread woke up
  | 2009-08-27 14:35:42,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:35:42,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:35:42,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:35:42,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-28 09:31:00.0
  | 2009-08-27 14:35:42,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.DispatcherThread  - DispatcherThread will wait for max 5000ms on org.jbpm.pvm.internal.jobexecutor.JobExecutor at 127e2ee
  | 2009-08-27 14:35:47,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.DispatcherThread  - DispatcherThread woke up
  | 2009-08-27 14:35:47,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:35:47,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:35:47,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:35:47,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-28 09:31:00.0
  | 2009-08-27 14:35:47,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.DispatcherThread  - DispatcherThread will wait for max 5000ms on org.jbpm.pvm.internal.jobexecutor.JobExecutor at 127e2ee
  | 2009-08-27 14:35:52,947 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.DispatcherThread  - DispatcherThread woke up
  | 

As you can see, it is running the default three threads, with each one waiting politely for around 5 seconds.

Here's the log from the ubuntu box:


  | 2009-08-27 14:25:26,438 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,439 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,439 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,439 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,439 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,439 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,439 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,440 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,440 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,440 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,440 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,440 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,440 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,440 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,440 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,441 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,441 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,441 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,441 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,442 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,442 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,442 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,442 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,443 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,443 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,443 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,443 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,443 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,443 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,444 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,444 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,444 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,444 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,444 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,444 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,444 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,444 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,445 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,445 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,445 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,445 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,445 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,445 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,446 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,446 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 2009-08-27 14:25:26,446 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - next due date is 2009-08-17 10:48:36.0
  | 2009-08-27 14:25:26,446 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - start querying first acquirable job...
  | 2009-08-27 14:25:26,446 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.AcquireJobsCmd  - locking jobs []
  | 2009-08-27 14:25:26,446 [DispatcherThread] DEBUG org.jbpm.pvm.internal.jobexecutor.GetNextDueDateCmd  - getting next due date...
  | 

It's not waiting!

The only difference between the two is that on windows I'm running this in Eclipse, and on the Ubuntu box it's nicely jar'd up etc.  However, all the required files are still on the classpath, and every other aspect of the workflow engine runs like clockwork.

If you have any ideas, I'd be very grateful.

Thanks.

 - Rachel (Kit)

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