[tor-bugs] #20440 [Metrics/metrics-lib]: endless wait in BlockingIteratorImpl

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Oct 25 10:44:40 UTC 2016

#20440: endless wait in BlockingIteratorImpl
 Reporter:  iwakeh               |          Owner:  karsten
     Type:  defect               |         Status:  new
 Priority:  High                 |      Milestone:
Component:  Metrics/metrics-lib  |        Version:
 Severity:  Normal               |     Resolution:
 Keywords:                       |  Actual Points:
Parent ID:                       |         Points:
 Reviewer:                       |        Sponsor:

Comment (by iwakeh):

 With the provided data I could reproduce. And actually it seems that one
 thread is caught in 'wait' not in the while-loop while anything else
 finished already.  The jvm jut waits too and doesn't shutdown.
 The immediate 'cure' is to make the responsible thread a daemon thread
 which works in my test setting.

 Please, use this [https://gitweb.torproject.org/user/iwakeh/metrics-
 wait&id=a22d4a400329d4fd0e7b95af05dd5abb012c48e7 branch task-20440
 -endless-wait] for a 'hot-fix'.

 This issue needs some more investigation in order to fix it properly.

Ticket URL: <https://troodi.torproject.org/projects/tor/ticket/20440#comment:8>
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