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Posted to issues@kylin.apache.org by "Dong Li (JIRA)" <ji...@apache.org> on 2016/05/18 02:22:12 UTC

[jira] [Created] (KYLIN-1703) The not-thread-safe ToolRunner.run() will cause concurrency issue in job engine

Dong Li created KYLIN-1703:
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             Summary: The not-thread-safe ToolRunner.run() will cause concurrency issue in job engine
                 Key: KYLIN-1703
                 URL: https://issues.apache.org/jira/browse/KYLIN-1703
             Project: Kylin
          Issue Type: Bug
          Components: Job Engine
    Affects Versions: v1.5.1
            Reporter: Dong Li
            Assignee: Dong Li


Refer to http://stackoverflow.com/questions/22462665/is-hadoops-toorunner-thread-safe

ToolRunner.run() is not thread safe, if two MapReduceExecutable start MR Job at same time, there would be an NPE thrown from ToolRunner.run().



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