[jira] [Work started] (HIVE-3971) testNegativeCliDriver_stats_aggregator_error_1 fails transiently

["Gang Tim Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-3971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-3971 started by Gang Tim Liu.

> testNegativeCliDriver_stats_aggregator_error_1 fails transiently 
> -----------------------------------------------------------------
>
>                 Key: HIVE-3971
>                 URL: https://issues.apache.org/jira/browse/HIVE-3971
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gang Tim Liu
>            Assignee: Gang Tim Liu
>         Attachments: error.rtf, HIVE-3971.patch.2
>
>
> testNegativeCliDriver_stats_aggregator_error_1 fails transiently.
> In one case (not reproducible), it fails consistently. The root-cause is ClassNotFoundException for DummyStatsPublisher. please see attachment.
> In the environment, i did a test: move DummyStatsPublisher from src/test to src/java and the error is gone. this shows packaging is the issue.
> DummyStatsPublisher is in src/test package. ClassNotFoundException is thrown in MR task. This shows it's possible src/test package is not available in server side build path in some cases.
> Not sure it is the real and/or only root-cause since it's not always reproducible. If all tests pass, feel it's worthy to try.

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