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https://issues.apache.org/jira/browse/HDFS-13435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-13435:
-----------------------------
    Summary: RBF: Improve the error loggings for printing the stack trace  
(was: RBF: Fix wrong error loggings)

> RBF: Improve the error loggings for printing the stack trace
> ------------------------------------------------------------
>
>                 Key: HDFS-13435
>                 URL: https://issues.apache.org/jira/browse/HDFS-13435
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: 3.0.1
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>            Priority: Major
>         Attachments: HDFS-13435.001.patch, HDFS-13435.002.patch
>
>
> There are many places that using {{Logger.error(String format, Object... 
> arguments)}} incorrectly.
>  A example:
> {code:java}
> LOG.error("Cannot remove {}", path, e);
> {code}
> The exception passed here is no meaning and won't be printed. Actually it 
> should be update to
> {code:java}
> LOG.error("Cannot remove {}: {}.", path, e.getMessage());
> {code}
> or 
> {code:java}
> LOG.error("Cannot remove " +  path, e));
> {code}



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