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