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Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2017/07/27 14:30:00 UTC

[jira] [Created] (FLINK-7284) Verify compile time and runtime version of Hadoop

Till Rohrmann created FLINK-7284:
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             Summary: Verify compile time and runtime version of Hadoop
                 Key: FLINK-7284
                 URL: https://issues.apache.org/jira/browse/FLINK-7284
             Project: Flink
          Issue Type: Improvement
          Components: Cluster Management
    Affects Versions: 1.4.0
            Reporter: Till Rohrmann


In order to detect a potential version conflict when running a Flink cluster, built with Hadoop {{x}}, in an environment which provides Hadoop {{y}}, we should automatically check if {{x == y}}. If {{x != y}}, we should terminate with an appropriate error message. This behaviour should also be disengageable if one wants to run Flink explicitly in a different Hadoop environment.

The check could be done at cluster start up using Hadoops {{VersionInfo}} and the build time Hadoop version info. The latter has to be included in the Flink binaries.



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