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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12805) Ozone: Redundant characters printed in exception log
Date Tue, 24 Apr 2018 20:59:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16451113#comment-16451113
] 

Hudson commented on HDFS-12805:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14057 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14057/])
HDFS-12805. Ozone: Redundant characters printed in exception log. (xyao: rev a61aafdf6927abe2b96d7cbca2e0d32c6a92320a)
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/web/handlers/KeyProcessTemplate.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/web/handlers/VolumeProcessTemplate.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/web/handlers/BucketProcessTemplate.java


> 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
>             Fix For: HDFS-7240
>
>         Attachments: HDFS-12805-HDFS-7240.001.patch, HDFS-12805-HDFS-7240.002.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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