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

[Dan Berindei (JIRA)]

Dan Berindei created ISPN-8639:
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             Summary: 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
             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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