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https://issues.apache.org/jira/browse/GEODE-9333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anthony Baker updated GEODE-9333:
---------------------------------
Labels: testing (was: )
> SessionsAndCrashesDUnitTest.sessionOperationsDoNotFail_whileServersAreRestarted
> may fail due to IndexOutOfBoundsException
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: GEODE-9333
> URL: https://issues.apache.org/jira/browse/GEODE-9333
> Project: Geode
> Issue Type: Bug
> Components: redis
> Affects Versions: 1.15.0
> Reporter: Donal Evans
> Assignee: Jens Deppe
> Priority: Major
> Labels: testing
> Fix For: 1.15.0
>
>
> Seen in a PR pre-checkin test run:
> {noformat}
> org.apache.geode.redis.session.SessionsAndCrashesDUnitTest >
> sessionOperationsDoNotFail_whileServersAreRestarted FAILED
> java.lang.IndexOutOfBoundsException: Index -5 out of bounds for length 100
> at jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
> at
> jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
> at jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248)
> at java.util.Objects.checkIndex(Objects.java:372)
> at java.util.ArrayList.get(ArrayList.java:459)
> at
> org.apache.geode.redis.session.SessionsAndCrashesDUnitTest.validateSessionAttributes(SessionsAndCrashesDUnitTest.java:179)
> at
> org.apache.geode.redis.session.SessionsAndCrashesDUnitTest.sessionOperationsDoNotFail_whileServersAreRestarted(SessionsAndCrashesDUnitTest.java:170)
> {noformat}
> This occurs in the below block when {{totalUpdates}} is less than
> {{NUM_SESSIONS}}.
> {code:java}
> for (int i = totalUpdates - NUM_SESSIONS; i < totalUpdates; i++) {
> int sessionIdx = i % NUM_SESSIONS;
> String sessionId = sessionIds.get(sessionIdx);
> ...
> {code}
> Running the test locally with some trace logging added, it seems that
> {{totalUpdates}} is typically ~120, so if something were to cause updates to
> be 20% slower on a run of the test, this failure could show up. A solution
> might be to either await until at least {{NUM_SESSIONS}} updates have been
> performed by the updater threads, or to put in some logic to handle the case
> when {{totalUpdates}} is less than {{NUM_SESSIONS}}.
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