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https://issues.apache.org/jira/browse/HBASE-9025?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl updated HBASE-9025:
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Summary: Potential Thread safety issue in MetaScanner (was: Thread safety
issue in MetaScanner)
> Potential Thread safety issue in MetaScanner
> --------------------------------------------
>
> Key: HBASE-9025
> URL: https://issues.apache.org/jira/browse/HBASE-9025
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.9
> Reporter: Lars Hofhansl
>
> I just saw this in a test run in 0.94:
> {code}
> Stacktrace
> java.lang.NullPointerException
> at java.util.TreeMap.getEntry(TreeMap.java:324)
> at java.util.TreeMap.get(TreeMap.java:255)
> at
> org.apache.hadoop.hbase.util.TestHBaseFsck.testSplitDaughtersNotInMeta(TestHBaseFsck.java:1346)
> ...
> {code}
> The TreeMap in question here is actually returned from
> {{HTable.getRegionLocations()}}, which in turns calls
> {{MetaScanner.allTableRegions(getConfiguration(), getTableName(), false);}}
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