Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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0.6.0
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None
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None
Description
If you try to bring up a second datanode in the same directory, you get a NullPointerException.
Exception in thread "main" java.lang.NullPointerException
at org.apache.hadoop.dfs.DataStorage.lock(DataStorage.java:132)
at org.apache.hadoop.dfs.DataStorage.<init>(DataStorage.java:72)
at org.apache.hadoop.dfs.DataStorage.<init>(DataStorage.java:50)
at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:194)
at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:155)
at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java:1050)
at org.apache.hadoop.dfs.DataNode.run(DataNode.java:984)
at org.apache.hadoop.dfs.DataNode.runAndWait(DataNode.java:1013)
at org.apache.hadoop.dfs.DataNode.main(DataNode.java:1066)