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https://issues.apache.org/jira/browse/ACCUMULO-4040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14976894#comment-14976894
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Josh Elser commented on ACCUMULO-4040:
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Thanks!
> 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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