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Posted to common-dev@hadoop.apache.org by "Haohui Mai (JIRA)" <ji...@apache.org> on 2013/10/03 20:28:42 UTC

[jira] [Created] (HADOOP-10015) UserGroupInformation prints out excessive ERROR warnings

Haohui Mai created HADOOP-10015:
-----------------------------------

             Summary: UserGroupInformation prints out excessive ERROR warnings
                 Key: HADOOP-10015
                 URL: https://issues.apache.org/jira/browse/HADOOP-10015
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Haohui Mai
            Assignee: Haohui Mai


In UserGroupInformation::doAs(), it prints out a log at ERROR level whenever it catches an exception.

However, in some cases IOExceptions are expected -- For example, the upp  (e.g., calling exists() in filesystem). As a result, these error logs are benign but they are printed at the ERROR level, which confuses the operators.



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