[infinispan-issues] [JBoss JIRA] (ISPN-8639) Merge policy tests random failures with ArrayIndexOutOfBoundsException

[Dan Berindei (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-8639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Berindei updated ISPN-8639:
-------------------------------
              Status: Pull Request Sent  (was: Open)
    Git Pull Request: https://github.com/infinispan/infinispan/pull/5650


> Merge policy tests random failures with ArrayIndexOutOfBoundsException
> ----------------------------------------------------------------------
>
>                 Key: ISPN-8639
>                 URL: https://issues.jboss.org/browse/ISPN-8639
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Test Suite - Core
>    Affects Versions: 9.2.0.Beta2
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>              Labels: testsuite_stability
>             Fix For: 9.2.0.CR1
>
>
> {{BaseMergePolicyTest.getCacheFromPreferredPartition()}} reads the cache status of all the running caches, including the {{CONFIG}} cache, but assumes a 1-to-1 mapping between the responses list and the input caches (the default cache on each node).
> Depending on how the responses are ordered, it may try to return a cache that doesn't exist in the input array:
> {noformat}
> 10:47:41,378 ERROR (testng-Test:[]) [TestSuiteProgress] Test failed: org.infinispan.conflict.impl.MergePolicyRemoveAllTest.testPartitionMergePolicy[DIST_SYNC, 5N]
> java.lang.ArrayIndexOutOfBoundsException: 8
> 	at org.infinispan.conflict.impl.BaseMergePolicyTest.getCacheFromPreferredPartition(BaseMergePolicyTest.java:190) ~[test-classes/:?]
> 	at org.infinispan.conflict.impl.BaseMergePolicyTest.getCacheFromPreferredPartition(BaseMergePolicyTest.java:153) ~[test-classes/:?]
> 	at org.infinispan.conflict.impl.BaseMergePolicyTest.testPartitionMergePolicy(BaseMergePolicyTest.java:124) ~[test-classes/:?]
> {noformat}
> {noformat}
> 16:57:12,012 ERROR (testng-Test:[]) [TestSuiteProgress] Test failed: org.infinispan.conflict.impl.MergePolicyCustomTest.testPartitionMergePolicy[DIST_SYNC, 4N]
> java.lang.ArrayIndexOutOfBoundsException: 6
> 	at org.infinispan.conflict.impl.BaseMergePolicyTest.getCacheFromPreferredPartition(BaseMergePolicyTest.java:190) ~[test-classes/:?]
> 	at org.infinispan.conflict.impl.BaseMergePolicyTest.getCacheFromPreferredPartition(BaseMergePolicyTest.java:153) ~[test-classes/:?]
> 	at org.infinispan.conflict.impl.BaseMergePolicyTest.testPartitionMergePolicy(BaseMergePolicyTest.java:124) ~[test-classes/:?]
> {noformat}



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