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https://issues.apache.org/jira/browse/HDFS-14078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16866970#comment-16866970
]
Hudson commented on HDFS-14078:
-------------------------------
FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #16782 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/16782/])
HDFS-14078. Admin helper fails to prettify NullPointerExceptions. (weichiu: rev
81ec90941160cc5f75370ee45af22c6b47c3c94b)
* (add)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestAdminHelper.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/AdminHelper.java
> Admin helper fails to prettify NullPointerExceptions
> ----------------------------------------------------
>
> Key: HDFS-14078
> URL: https://issues.apache.org/jira/browse/HDFS-14078
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Elek, Marton
> Assignee: Elek, Marton
> Priority: Major
> Attachments: HDFS-14078.001.patch, HDFS-14078.002.patch,
> HDFS-14078.003.patch
>
>
> org.apache.hadoop.hdfs.tools.AdminHelper has a method to prettifyExceptions:
> {code}
> static String prettifyException(Exception e) {
> return e.getClass().getSimpleName() + ": "
> + e.getLocalizedMessage().split("\n")[0];
> }
> {code}
> But if e is a NPE the e.getLocalizedMessage() could be null. In that case NPE
> will be thrown and the original error message will be lost.
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