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https://issues.apache.org/jira/browse/ACCUMULO-2870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated ACCUMULO-2870:
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Affects Version/s: 1.6.1
> Potential null pointer dereference in Tablet#longestCommonLength()
> ------------------------------------------------------------------
>
> Key: ACCUMULO-2870
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2870
> Project: Accumulo
> Issue Type: Bug
> Affects Versions: 1.6.1
> Reporter: Ted Yu
> Priority: Minor
>
> longestCommonLength() is called by findSplitRow():
> {code}
> Text text = (mid == null) ? null : mid.getRow();
> SortedMap<Double,Key> firstHalf = keys.headMap(.5);
> if (firstHalf.size() > 0) {
> Text beforeMid = firstHalf.get(firstHalf.lastKey()).getRow();
> Text shorter = new Text();
> int trunc = longestCommonLength(text, beforeMid);
> {code}
> If mid is null, text would be null.
> However, text is dereferenced without null check in longestCommonLength().
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