[infinispan-issues] [JBoss JIRA] (ISPN-9483) TEST_PING doesn't trigger merge after JGroups 4.0.13 upgrade

[Dan Berindei (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-9483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Berindei updated ISPN-9483:
-------------------------------
        Status: Resolved  (was: Pull Request Sent)
    Resolution: Done


> TEST_PING doesn't trigger merge after JGroups 4.0.13 upgrade
> ------------------------------------------------------------
>
>                 Key: ISPN-9483
>                 URL: https://issues.jboss.org/browse/ISPN-9483
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Test Suite - Core
>    Affects Versions: 9.4.0.CR1
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>              Labels: testsuite_stability
>             Fix For: 9.4.0.CR3
>
>
> In JGroups 4.0.13.Final, {{MERGE3}} started using the {{ASYNC_DISCOVERY_EVENT}} to find other members. {{TEST_PING}} doesn't handle the event correctly, at least when trace logging is enabled, and the merge never happens.
> {{Discovery}} should handle the new event automatically, but it only works if the discovery protocol actively sends out {{GET_MBRS_REQ}} messages and receives {{GET_MBRS_RSP}} messages from other members. {{TEST_PING}} doesn't receive any {{GET_MBRS_RSP}} messages, so {{Discovery.addResponse()}} is never called.
> This causes failures in all the tests that split the cluster and heal it, but for some reason CI isn't reporting the failures:
> {noformat}
> [OK:    70, KO:     1, SKIP:     0] Test failed: org.infinispan.distribution.rehash.RehashAfterPartitionMergeTest.testCachePartition[DIST_SYNC]
> java.lang.RuntimeException: Timed out before caches had changed views ([[RehashAfterPartitionMergeTest[DIST_SYNC]-NodeB-45390], [RehashAfterPartitionMergeTest[DIST_SYNC]-NodeD-46782]]) to contain 2 members
> 	at org.infinispan.test.TestingUtil.blockUntilViewsChanged(TestingUtil.java:761)
> 	at org.infinispan.test.TestingUtil.blockUntilViewsChanged(TestingUtil.java:743)
> 	at org.infinispan.distribution.rehash.RehashAfterPartitionMergeTest.testCachePartition(RehashAfterPartitionMergeTest.java:67)
> {noformat}
> https://ci.infinispan.org/job/Infinispan/job/master/808/consoleFull



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