[jira] [Commented] (HDFS-12805) Ozone: Redundant characters printed in exception log

["Yiqun Lin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-12805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16249259#comment-16249259 ] 

Yiqun Lin commented on HDFS-12805:
----------------------------------

I'd like to make a quick fix for this.
Attach the simple patch for this.

> Ozone: Redundant characters printed in exception log
> ----------------------------------------------------
>
>                 Key: HDFS-12805
>                 URL: https://issues.apache.org/jira/browse/HDFS-12805
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>            Priority: Minor
>              Labels: newbie
>         Attachments: HDFS-12805-HDFS-7240.001.patch
>
>
> Found some incorrect usage of sl4j in class {{Volume/Bucket/KeyProcessTemplate.class}}.
> For Example line100 in {{VolumeProcessTemplate#handleCall(}},
> We use {{LOG.error("illegal argument. {}", ex);}} to print error info. It will invoke {{Logger.error(String msg, Throwable t)}} not {{Logger.debug(String format, Object arg1)}}.
> Redundant characters '{}' will be printed in exception log.
> The correct usage of this should be {{LOG.error("illegal argument. {}", ex.toString());}}



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