Details
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Bug
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Status: Closed
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Blocker
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Resolution: Fixed
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0.12.0
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None
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None
Description
Running NNBench with latest trunk, I saw this NPE in the Namenode log:
Exception in thread "org.apache.hadoop.dfs.FSNamesystem$HeartbeatMonitor@182bcde" java.lang.NullPointerException
at org.apache.hadoop.dfs.FSNamesystem.countContainingNodes(FSNamesystem.java:2506)
at org.apache.hadoop.dfs.FSNamesystem.access$000(FSNamesystem.java:52)
at org.apache.hadoop.dfs.FSNamesystem$UnderReplicationBlocks.update(FSNamesystem.java:456)
at org.apache.hadoop.dfs.FSNamesystem.removeStoredBlock(FSNamesystem.java:2242)
at org.apache.hadoop.dfs.FSNamesystem.removeDatanode(FSNamesystem.java:1876)
at org.apache.hadoop.dfs.FSNamesystem.heartbeatCheck(FSNamesystem.java:1958)
at org.apache.hadoop.dfs.FSNamesystem$HeartbeatMonitor.run(FSNamesystem.java:1698)
at java.lang.Thread.run(Thread.java:619)