[jira] [Created] (HDFS-8153) Error Message points to wrong parent directory in case of path component name length error

["Anu Engineer (JIRA)" <ji...@apache.org>]

Anu Engineer created HDFS-8153:
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             Summary: 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


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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