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https://issues.apache.org/jira/browse/HADOOP-2851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589144#action_12589144
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Steve Loughran commented on HADOOP-2851:
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looks like someone wants a way to get a stack trace of wherever a configuration
is created. Sometimes that could be useful. As it is only done if the debug log
is enabled, its cost is otherwise minimal.
Recommend leaving as is, file as INVALID or WONTFIX.
> Bogus logging messages in Configration object constructors
> ----------------------------------------------------------
>
> Key: HADOOP-2851
> URL: https://issues.apache.org/jira/browse/HADOOP-2851
> Project: Hadoop Core
> Issue Type: Bug
> Components: conf
> Affects Versions: 0.16.0
> Reporter: Jingkei Ly
> Priority: Trivial
>
> The constructors for the Configuration object contains a superfluous logging
> message that logs an IOException whenever logging is enabled for the debug
> level. Basically both constructors have the statement:
> if (LOG.isDebugEnabled()) {
> LOG.debug(StringUtils.stringifyException(new IOException("config()")));
> }
> I can' t see any reason for it to be there and it just ends up leaving bogus
> IOExceptions in log files. It looks like its an old debug print statement
> which has accidentally been left in.
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