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From "ASF subversion and git services (JIRA)" <>
Subject [jira] [Commented] (GEODE-836) multicast state flush is broken
Date Tue, 26 Jan 2016 16:57:39 GMT


ASF subversion and git services commented on GEODE-836:

Commit ed17d4cd50595b5a611b4a4068a1e2b895a06ff6 in incubator-geode's branch refs/heads/develop
from [~bschuchardt]
[;h=ed17d4c ]

GEODE-836: multicast state flush is broken

The Digest from the multicast NAKACK2 protocol is immutable and needs
to be fetched each time it is checked in order to get an up-to-date
digest.  I also added warning and timeout for the method similar to
what's in DistributionAdvisor.waitForCurrentOperations(long) that
guarantee that the wait will terminate.

> multicast state flush is broken
> -------------------------------
>                 Key: GEODE-836
>                 URL:
>             Project: Geode
>          Issue Type: Bug
>          Components: membership
>            Reporter: Bruce Schuchardt
>            Assignee: Bruce Schuchardt
> A multicast regression test hung with a thread in this state:
> {noformat}
> "Pooled Waiting Message Processor 0" #40 daemon prio=5 os_prio=0 tid=0x00007fde3025d800
nid=0x7649 waiting on condition [0x00007fde7f7f6000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at com.gemstone.gemfire.distributed.internal.membership.gms.messenger.JGroupsMessenger.waitForMessageState(
> 	at com.gemstone.gemfire.distributed.internal.membership.gms.messenger.JGroupsMessenger.waitForMessageState(
> 	at com.gemstone.gemfire.distributed.internal.membership.gms.mgr.GMSMembershipManager.waitForMessageState(
> 	at com.gemstone.gemfire.internal.cache.StateFlushOperation$StateStabilizationMessage$
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(
> 	at java.util.concurrent.ThreadPoolExecutor$
> 	at com.gemstone.gemfire.distributed.internal.DistributionManager.runUntilShutdown(
> 	at com.gemstone.gemfire.distributed.internal.DistributionManager$6$
> {noformat}
> Flush of multicast messages was recently added but obviously not tested well enough.

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