#1804
  • Created on
    2012-02-08 08:49
  • Reported by
    rkuhn
  • Status
    Fixed
  • Priority
    High (2)
  • Assigned to
    rkuhn
  • Milestone
    2.0-RC1
  • Plan Level
    -
  • Due Date
    -

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Add new subtask or bug

Running Pi tutorial with 400 workers hangs

ForkJoinPool threads are all parked like this:

"ForkJoinPool-1-worker-18" prio=5 tid=7fa2449fb800 nid=0x11f410000 waiting on condition [11f40f000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <74a340e68> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool)
	at akka.jsr166y.ForkJoinPool.scan(ForkJoinPool.java:1566)
	at akka.jsr166y.ForkJoinPool.runWorker(ForkJoinPool.java:1303)
	at akka.jsr166y.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104)
User picture
  on 2012-02-08 08:50 *
By rkuhn
addendum: all but the one above eventually did stop
User picture
  on 2012-02-08 09:38 *
By rkuhn
Assigned to set to rkuhn
Status changed from New to Accepted
addendum: in these cases we never call .shutdown() on the pool, so I think it is a race between creating the workers and shutting down the system which leaves the system completely shutdown but workers still registered with the dispatcher.
User picture
  on 2012-02-08 10:40 *
By rkuhn
Priority changed from Normal (3) to High (2)
User picture
  on 2012-02-09 16:38 *
By rkuhn
Status changed from Accepted to Test
User picture
  on 2012-02-10 07:33 *
By viktorklang
Milestone changed from 2.0 to 2.0-RC1
Updating tickets (#1800, #1750, #1788, #1804, #1596, #1713, #852)
User picture
  on 2012-02-10 13:57 *
By rkuhn
Status changed from Test to Fixed