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https://issues.apache.org/jira/browse/SLING-4302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stefan Egli resolved SLING-4302.
--------------------------------
Resolution: Fixed
test made more robust
> ClusterTest.testStableClusterId sometimes fails
> -----------------------------------------------
>
> Key: SLING-4302
> URL: https://issues.apache.org/jira/browse/SLING-4302
> Project: Sling
> Issue Type: Test
> Components: Extensions
> Affects Versions: Discovery Impl 1.0.12
> Reporter: Stefan Egli
> Assignee: Stefan Egli
> Fix For: Discovery Impl 1.0.14
>
>
> Recently, ClusterTest.testStableClusterId sometimes fails, eg
> https://builds.apache.org/job/sling-trunk-1.8/org.apache.sling$org.apache.sling.discovery.impl/607/testReport/org.apache.sling.discovery.impl.cluster/ClusterTest/testStableClusterId/
> {code}
> Error Message
> expected:<2> but was:<1>
> Stacktrace
> java.lang.AssertionError: expected:<2> but was:<1>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at org.junit.Assert.assertEquals(Assert.java:542)
> at
> org.apache.sling.discovery.impl.cluster.ClusterTest.testStableClusterId(ClusterTest.java:184)
> Standard Output
> 13.01.2015 12:03:06 *INFO * [main] Instance: <init>: starting
> slingId=e997787e-e6f2-4d54-af7d-19dcfb9fbc9a, debugName=firstInstance
> 13.01.2015 12:03:06 *INFO * [ObservationManager] VotingHelper:
> getWinningVoting: no ongoing votings parent resource found
> 13.01.2015 12:03:06 *INFO * [ObservationManager] VotingHelper:
> listOpenNonWinningVotings: no ongoing votings parent resource found
> 13.01.2015 12:03:08 *INFO * [main] Instance: <init>: starting
> slingId=808c627d-fc2f-472c-8b39-bdcdc8ead24f, debugName=secondInstance
> 13.01.2015 12:03:18 *INFO * [main] ClusterTest: testStableClusterId: start
> 13.01.2015 12:03:18 *INFO * [main] Instance: stop: stopping
> slingId=808c627d-fc2f-472c-8b39-bdcdc8ead24f, debugName=secondInstance
> 13.01.2015 12:03:18 *INFO * [main] Instance: stop: removing listener for
> slingId=808c627d-fc2f-472c-8b39-bdcdc8ead24f:
> org.apache.sling.discovery.impl.setup.Instance$1@13e880b5
> 13.01.2015 12:03:18 *INFO * [main] Instance: stop: stopped
> slingId=808c627d-fc2f-472c-8b39-bdcdc8ead24f, debugName=secondInstance
> 13.01.2015 12:03:18 *INFO * [main] Instance: stop: stopping
> slingId=e997787e-e6f2-4d54-af7d-19dcfb9fbc9a, debugName=firstInstance
> 13.01.2015 12:03:18 *INFO * [main] Instance: stop: removing listener for
> slingId=e997787e-e6f2-4d54-af7d-19dcfb9fbc9a:
> org.apache.sling.discovery.impl.setup.Instance$1@73c7a727
> 13.01.2015 12:03:18 *INFO * [main] Instance: stop: stopped
> slingId=e997787e-e6f2-4d54-af7d-19dcfb9fbc9a, debugName=firstInstance
> 13.01.2015 12:03:18 *INFO * [main] Instance: <init>: starting
> slingId=64d74699-661e-42aa-be7f-076c93773326, debugName=firstInstance
> 13.01.2015 12:03:18 *INFO * [main] Instance: <init>: starting
> slingId=de74b83b-c913-40b0-a958-eba71d12a867, debugName=secondInstance
> 13.01.2015 12:03:20 *INFO * [main] Instance: Instance
> [64d74699-661e-42aa-be7f-076c93773326] issues a heartbeat now Tue Jan 13
> 12:03:20 UTC 2015
> 13.01.2015 12:03:20 *INFO * [main] HeartbeatHandler: doCheckView:
> votingHandler is null!
> 13.01.2015 12:03:20 *INFO * [main] VotingHelper: getWinningVoting: no ongoing
> votings parent resource found
> 13.01.2015 12:03:20 *INFO * [main] VotingHelper: listOpenNonWinningVotings:
> no ongoing votings parent resource found
> 13.01.2015 12:03:20 *INFO * [main] Instance: Instance
> [de74b83b-c913-40b0-a958-eba71d12a867] issues a heartbeat now Tue Jan 13
> 12:03:20 UTC 2015
> 13.01.2015 12:03:57 *INFO * [main] HeartbeatHandler: doCheckView:
> votingHandler is null!
> 13.01.2015 12:03:57 *INFO * [pool-1-thread-2] HeartbeatHandler: doCheckView:
> votingHandler is null!
> 13.01.2015 12:03:57 *INFO * [main] Instance: Instance
> [64d74699-661e-42aa-be7f-076c93773326] issues a heartbeat now Tue Jan 13
> 12:03:57 UTC 2015
> 13.01.2015 12:03:57 *INFO * [main] ClusterViewServiceImpl:
> getEstablishedView: the existing established view does not incude the local
> instance yet! Assuming isolated mode. If this occurs at runtime - other than
> at startup - it could cause a pseudo-network-partition, see SLING-3432.
> Consider increasing heartbeatTimeout then!
> 13.01.2015 12:03:58 *INFO * [main] HeartbeatHandler: doCheckView:
> votingHandler is null!
> 13.01.2015 12:03:58 *INFO * [main] Instance: Instance
> [de74b83b-c913-40b0-a958-eba71d12a867] issues a heartbeat now Tue Jan 13
> 12:03:58 UTC 2015
> 13.01.2015 12:03:59 *INFO * [main] HeartbeatHandler: doCheckView:
> votingHandler is null!
> 13.01.2015 12:03:59 *INFO * [main] Instance: Instance
> [64d74699-661e-42aa-be7f-076c93773326] issues a heartbeat now Tue Jan 13
> 12:03:59 UTC 2015
> 13.01.2015 12:03:59 *INFO * [pool-1-thread-3] HeartbeatHandler: doCheckView:
> votingHandler is null!
> 13.01.2015 12:03:59 *INFO * [main] ClusterViewServiceImpl:
> getEstablishedView: the existing established view does not incude the local
> instance yet! Assuming isolated mode. If this occurs at runtime - other than
> at startup - it could cause a pseudo-network-partition, see SLING-3432.
> Consider increasing heartbeatTimeout then!
> 13.01.2015 12:04:00 *INFO * [main] HeartbeatHandler: doCheckView:
> votingHandler is null!
> 13.01.2015 12:04:00 *INFO * [main] Instance: Instance
> [de74b83b-c913-40b0-a958-eba71d12a867] issues a heartbeat now Tue Jan 13
> 12:04:00 UTC 2015
> 13.01.2015 12:04:01 *INFO * [main] ClusterViewServiceImpl:
> getEstablishedView: the existing established view does not incude the local
> instance yet! Assuming isolated mode. If this occurs at runtime - other than
> at startup - it could cause a pseudo-network-partition, see SLING-3432.
> Consider increasing heartbeatTimeout then!
> 13.01.2015 12:04:01 *INFO * [main] HeartbeatHandler: doCheckView:
> votingHandler is null!
> 13.01.2015 12:04:02 *INFO * [main] ClusterViewServiceImpl:
> getEstablishedView: the existing established view does not incude the local
> instance yet! Assuming isolated mode. If this occurs at runtime - other than
> at startup - it could cause a pseudo-network-partition, see SLING-3432.
> Consider increasing heartbeatTimeout then!
> 13.01.2015 12:04:02 *INFO * [main] Instance: dumpRepo: ====== START =====
> 13.01.2015 12:04:02 *INFO * [main] Instance: dumpRepo: repo =
> org.apache.jackrabbit.core.RepositoryImpl@3f685162
> 13.01.2015 12:04:02 *INFO * [main] Instance: / -- jcr:mixinTypes=<unknown
> type=7/> jcr:primaryType=<unknown type=7/>
> 13.01.2015 12:04:02 *INFO * [main] Instance: /var --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance: /discovery --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance: /impl --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance: /clusterInstances --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance:
> /64d74699-661e-42aa-be7f-076c93773326 --
> runtimeId=db6da1a2-efed-45f7-991d-149288c2f416 lastHeartbeat=Tue Jan 13
> 12:04:00 UTC 2015 sling:resourceType=sling:Folder jcr:primaryType=<unknown
> type=7/>
> leaderElectionId=0_0000001421150598702_64d74699-661e-42aa-be7f-076c93773326
> 13.01.2015 12:04:02 *INFO * [main] Instance: /properties --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance:
> /de74b83b-c913-40b0-a958-eba71d12a867 --
> runtimeId=51d73731-6329-4b2d-bc0e-c557b3627f2f lastHeartbeat=Tue Jan 13
> 12:04:01 UTC 2015 sling:resourceType=sling:Folder jcr:primaryType=<unknown
> type=7/>
> leaderElectionId=0_0000001421150599274_de74b83b-c913-40b0-a958-eba71d12a867
> 13.01.2015 12:04:02 *INFO * [main] Instance: /properties --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance: /ongoingVotings --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance: /previousView --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance:
> /5557e13b-8f71-4620-bb60-e5cd3fab9f6a --
> clusterId=3c07f561-4d07-4e0b-a69e-2c21621887ae promotedAt=Tue Jan 13 12:04:00
> UTC 2015 promotedBy=64d74699-661e-42aa-be7f-076c93773326
> leaderId=64d74699-661e-42aa-be7f-076c93773326
> clusterIdDefinedBy=de74b83b-c913-40b0-a958-eba71d12a867
> sling:resourceType=sling:Folder votingStart=Tue Jan 13 12:04:00 UTC 2015
> clusterIdDefinedAt=Tue Jan 13 12:03:57 UTC 2015 jcr:primaryType=<unknown
> type=7/>
> leaderElectionId=0_0000001421150598702_64d74699-661e-42aa-be7f-076c93773326
> 13.01.2015 12:04:02 *INFO * [main] Instance: /members --
> jcr:primaryType=<unknown type=7/>
> 13.01.2015 12:04:02 *INFO * [main] Instance:
> /64d74699-661e-42aa-be7f-076c93773326 -- initiator=true
> jcr:primaryType=<unknown type=7/>
> leaderElectionId=0_0000001421150598702_64d74699-661e-42aa-be7f-076c93773326
> 13.01.2015 12:04:02 *INFO * [main] Instance: /establishedView --
> jcr:primaryType=<unknown type=7/> sling:resourceType=sling:Folder
> 13.01.2015 12:04:02 *INFO * [main] Instance:
> /53ffc741-67c0-40b4-a5b5-df2b9fb70e34 --
> clusterId=3c07f561-4d07-4e0b-a69e-2c21621887ae promotedAt=Tue Jan 13 12:04:02
> UTC 2015 promotedBy=de74b83b-c913-40b0-a958-eba71d12a867
> leaderId=de74b83b-c913-40b0-a958-eba71d12a867
> clusterIdDefinedBy=de74b83b-c913-40b0-a958-eba71d12a867
> sling:resourceType=sling:Folder votingStart=Tue Jan 13 12:04:01 UTC 2015
> clusterIdDefinedAt=Tue Jan 13 12:03:57 UTC 2015 jcr:primaryType=<unknown
> type=7/>
> leaderElectionId=0_0000001421150599274_de74b83b-c913-40b0-a958-eba71d12a867
> 13.01.2015 12:04:02 *INFO * [main] Instance: /members --
> jcr:primaryType=<unknown type=7/>
> 13.01.2015 12:04:02 *INFO * [main] Instance:
> /de74b83b-c913-40b0-a958-eba71d12a867 -- initiator=true
> jcr:primaryType=<unknown type=7/>
> leaderElectionId=0_0000001421150599274_de74b83b-c913-40b0-a958-eba71d12a867
> 13.01.2015 12:04:02 *INFO * [main] Instance: dumpRepo: ====== END =====
> 13.01.2015 12:04:02 *INFO * [main] ClusterViewServiceImpl:
> getEstablishedView: the existing established view does not incude the local
> instance yet! Assuming isolated mode. If this occurs at runtime - other than
> at startup - it could cause a pseudo-network-partition, see SLING-3432.
> Consider increasing heartbeatTimeout then!
> 13.01.2015 12:04:02 *INFO * [main] Instance: stop: stopping
> slingId=de74b83b-c913-40b0-a958-eba71d12a867, debugName=secondInstance
> 13.01.2015 12:04:02 *INFO * [main] Instance: stop: removing listener for
> slingId=de74b83b-c913-40b0-a958-eba71d12a867:
> org.apache.sling.discovery.impl.setup.Instance$1@a10723a
> 13.01.2015 12:04:02 *INFO * [main] Instance: stop: stopped
> slingId=de74b83b-c913-40b0-a958-eba71d12a867, debugName=secondInstance
> 13.01.2015 12:04:02 *INFO * [main] Instance: stop: stopping
> slingId=64d74699-661e-42aa-be7f-076c93773326, debugName=firstInstance
> 13.01.2015 12:04:02 *INFO * [main] Instance: stop: removing listener for
> slingId=64d74699-661e-42aa-be7f-076c93773326:
> org.apache.sling.discovery.impl.setup.Instance$1@57268fc3
> 13.01.2015 12:04:02 *INFO * [main] Instance: stop: stopped
> slingId=64d74699-661e-42aa-be7f-076c93773326, debugName=firstInstance
> {code}
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