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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8153) Error Message points to wrong parent directory in case of path component name length error
Date Fri, 17 Apr 2015 11:36:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14499681#comment-14499681
] 

Hudson commented on HDFS-8153:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #157 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/157/])
HDFS-8153. Error Message points to wrong parent directory in case of path component name length
error. Contributed by Anu Engineer. (jitendra: rev 369ddc67bdaf61cca3f2f766ab504e2932f6fb72)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsLimits.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java


> Error Message points to wrong parent directory in case of path component name length
error
> ------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8153
>                 URL: https://issues.apache.org/jira/browse/HDFS-8153
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.5.2
>            Reporter: Anu Engineer
>            Assignee: Anu Engineer
>             Fix For: 2.7.1
>
>         Attachments: hdfs-8153.001.patch
>
>
> If the name component length is greater than the permitted length, the error message
points to wrong parent directory for mkdir and touchz.
> Here are examples where the parent directory name is in error message. In this example
dfs.namenode.fs-limits.max-component-length is set to 19.
> {code}
> hdfs dfs -mkdir /user/hrt_qa/FileNameLength/really_big_name_dir01
> mkdir: The maximum path component name limit of really_big_name_dir01 in directory /user/hrt_qa/
is exceeded: limit=19 length=21
> {code}
> The expected value for the directory was _/user/hrt_qa/FileNameLength_. The same behavior
is observed for touchz
> {code}
> hdfs dfs -touchz /user/hrt_qa/FileNameLength/really_big_name_0004
> touchz: The maximum path component name limit of really_big_name_0004 in directory /user/hrt_qa/
is exceeded: limit=19 length=20
> {code}



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