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https://issues.apache.org/jira/browse/HADOOP-10015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Li updated HADOOP-10015:
--------------------------------
Description:
In UserGroupInformation::doAs(), it prints out a log at ERROR level whenever it
catches an exception.
However, it prints benign warnings in the following paradigms:
{noformat}
{noformat}
in some cases IOExceptions are expected by the upper level users (e.g.,
FileSystem#exists() in filesystem). As a result, these error logs are benign
but they are printed at the ERROR level, which confuses the operators.
was:
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.
> 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
> Attachments: HADOOP-10015.000.patch, HADOOP-10015.001.patch
>
>
> In UserGroupInformation::doAs(), it prints out a log at ERROR level whenever
> it catches an exception.
> However, it prints benign warnings in the following paradigms:
> {noformat}
> {noformat}
> in some cases IOExceptions are expected by the upper level users (e.g.,
> FileSystem#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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