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https://issues.apache.org/jira/browse/GEODE-5056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16461408#comment-16461408
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ASF subversion and git services commented on GEODE-5056:
--------------------------------------------------------
Commit 6cd24a877c6a19a1243d9582dd7b1f7edbe2859c in geode's branch
refs/heads/master from Xiaojian Zhou
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=6cd24a8 ]
GEODE-5056: when found the dropped events at primary sender, send (#1794)
QueueRemovalMessage for it
(cherry picked from commit f7bb77c89a3d19673e8929275fc6c407a4b382bd)
> ParallelGatewaySenderOperationsDUnitTest.testParallelPropagationSenderStartAfterStop_Scenario2
> intermittently fail
> -------------------------------------------------------------------------------------------------------------------
>
> Key: GEODE-5056
> URL: https://issues.apache.org/jira/browse/GEODE-5056
> Project: Geode
> Issue Type: Bug
> Components: wan
> Reporter: xiaojian zhou
> Assignee: xiaojian zhou
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.6.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> After fixe GEODE-4942, I found there's at least one race condition is not
> covered.
>
> [vm6] [debug 2018/04/11 16:47:35.189 PDT <PartitionedRegion Message
> Processor2> tid=110] WAN: On primary bucket 57, setting the seq number as 1357
>
> [vm7] [info 2018/04/11 16:47:35.150 PDT <RMI TCP Connection(1)-10.118.19.25>
> tid=19] Started ParallelGatewaySender\{id=ln,remoteDsId=2,isRunning =true}
>
> [vm7] [debug 2018/04/11 16:47:35.189 PDT <P2P message reader for
> 10.118.19.25(27489)<v3>:32781 shared ordered uid=7 port=59148> tid=95] WAN:
> On secondary bucket 57, setting the seq number as 1357
> [vm7] [debug 2018/04/11 16:47:35.190 PDT <P2P message reader for
> 10.118.19.25(27489)<v3>:32781 shared ordered uid=7 port=59148> tid=95] Key :
> ----> 1357
> [vm6] [debug 2018/04/11 16:47:35.190 PDT <PartitionedRegion Message
> Processor2> tid=110] register dropped event for primary queue. BucketId is
> 57, shadowKey is 1357, prQ is /ln_PARALLEL_GATEWAY_SENDER_QUEUE
>
> ----- Note: vm6's sender is restarted and cleanup the map, before the
> QueueRemvalMessage is sent out for the map.
> [vm6] [info 2018/04/11 16:47:35.249 PDT <RMI TCP Connection(1)-10.118.19.25>
> tid=19] Started ParallelGatewaySender\{id=ln,remoteDsId=2,isRunning =true}
> [vm6] [debug 2018/04/11 16:47:35.437 PDT <BatchRemovalThread for
> GatewaySender_ln_0> tid=118] BatchRemovalThread about to query the batch
> removal map \{/ln_PARALLEL_GATEWAY_SENDER_QUEUE={96=[1396], 2=[1402],
> 83=[1383], 6=[1406], 71=[1371], 87=[1387], 73=[1373], 90=[1390], 77=[1377],
> 94=[1394]}}
> [vm6] [debug 2018/04/11 16:47:35.753 PDT <BatchRemovalThread for
> GatewaySender_ln_0> tid=118] BatchRemovalThread about to query the batch
> removal map {/ln_PARALLEL_GATEWAY_SENDER_QUEUE={49=[1449], 65=[1465],
> 83=[1483], 53=[1453], 71=[1471], 87=[1487], *57=[1457]*, 73=[1473],
> 77=[1477], 62=[1462]}}
> ---- shadowKey 1457 was created after the sender is restarted
>
> [vm6] [debug 2018/04/11 16:47:35.438 PDT <BatchRemovalThread for
> GatewaySender_ln_0> tid=118] Sending (ParallelQueueRemovalMessage@2344969b
> processorId=0 sender=10.118.19.25(27489)<v3>:32781) to 3 peers
> ([10.118.19.25(27492)<v4>:32783@4(GEODE 1.6.0),
> 10.118.19.25(27485)<v2>:32779@1(GEODE 1.6.0),
> 10.118.19.25(27482)<v1>:32778@2(GEODE 1.6.0)]) via tcp/ip
> [vm7] [debug 2018/04/11 16:47:35.439 PDT <P2P message reader for
> 10.118.19.25(27489)<v3>:32781 shared unordered uid=4 port=59119> tid=52]
> Received message 'ParallelQueueRemovalMessage@11583f5b processorId=0
> sender=10.118.19.25(27489)<v3>:32781' from <10.118.19.25(27489)<v3>:32781>
>
> i.e. the dropped key was in the map, but before sending a QueueRemovalMessage
> the sender is closed and cleared the map.
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