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https://issues.apache.org/jira/browse/ACCUMULO-4040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14976797#comment-14976797
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Jared Winick commented on ACCUMULO-4040:
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Sorry, I do not. It actually was an accident that they were running on an IBM
JVM and not Oracle, so they corrected that and the issue obviously just went
away, so there wasn't much follow up.
> listSplits fails on IBM JVM
> ---------------------------
>
> Key: ACCUMULO-4040
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4040
> Project: Accumulo
> Issue Type: Sub-task
> Components: client
> Environment: IBM J9 JVM. Accumulo 1.6
> Reporter: Jared Winick
> Fix For: 1.8.0
>
>
> I saw a user running on the IBM J9 JVM and the TableOperationsImpl.listSplits
> never returns as it gets stuck in a loop throwing exceptions. It appears
> like the root cause is that listSplits calls
> TableMetadataServicer.getTabletLocations which then calls validateEntries. In
> here it attempts to cast a Set to a SortedSet
> {code:java}
> SortedSet<KeyExtent> tabletsKeys = (SortedSet<KeyExtent>) tablets.keySet();
> {code}
> Looks like you can get away with this on a Oracle/OpenJDK JVM as tablets is a
> TreeMap and its impl returns a NavigableSet which is a SortedSet.
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