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Posted to dev@hive.apache.org by "Wei Zheng (JIRA)" <ji...@apache.org> on 2016/12/12 22:24:58 UTC

[jira] [Created] (HIVE-15421) Assumption in exception handling can be wrong in DagUtils.localizeResource

Wei Zheng created HIVE-15421:
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             Summary: Assumption in exception handling can be wrong in DagUtils.localizeResource
                 Key: HIVE-15421
                 URL: https://issues.apache.org/jira/browse/HIVE-15421
             Project: Hive
          Issue Type: Bug
          Components: Tez
    Affects Versions: 2.2.0
            Reporter: Wei Zheng
            Assignee: Wei Zheng


In localizeResource once we got an IOException, we always assume this is due to another thread writing the same file. But that is not always the case. Even without the interference from other threads, it may still get an IOException (RemoteException) due to failure of copyFromLocalFile in a specific environment, for example, in a kerberized HDFS encryption zone where the TGT is expired.

We'd better fail early with different message to avoid confusion.



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