Details
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Bug
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Status: Patch Available
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Minor
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Resolution: Unresolved
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None
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None
Description
LocalDirAllocator.ifExists calls AllocatorPerContext.ifExists, which accesses the localDirsPath variable that is uninitialised. Hence, any code that uses this API is likely to fail with a NullPointerException.
However, this API is currently not used anywhere else in trunk. The earlier usage was in IsolationRunner, that has since been removed via MAPREDUCE-2606.
Hence, we could remove this API for trunk, and if required, fix it for the 1.x branch.