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https://issues.apache.org/jira/browse/HDFS-14257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16911986#comment-16911986
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Surendra Singh Lilhore edited comment on HDFS-14257 at 8/21/19 7:03 AM:
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{quote}I guess this JIRA was supposed to fix NPE for the Router and make the
behavior in sync with the Namenode
{quote}
[~ayushtkn], Do you know why NPE came here ? Just fixing NPE is not a solution
for this, we have to check why the NPE came here.
{quote}Doing this resolution to home directory for all will change the CLI
behavior, which according to compat guidelines shall be an incompatible change.
{quote}
Fixing a bug in CLI is not a incompatible change.
Let's take others opinion on this.
[~aajisaka], [~jojochuang] What do you think on this ?
was (Author: surendrasingh):
{quote}I guess this JIRA was supposed to fix NPE for the Router and make the
behavior in sync with the Namenode
{quote}
[~ayushtkn], Do you know why NPE came here ?
> NPE when given the Invalid path to create target dir
> ----------------------------------------------------
>
> Key: HDFS-14257
> URL: https://issues.apache.org/jira/browse/HDFS-14257
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Harshakiran Reddy
> Assignee: hemanthboyina
> Priority: Major
> Labels: RBF
> Attachments: HDFS-14257.001.patch, HDFS-14257.002.patch,
> HDFS-14257.patch
>
>
> bin> ./hdfs dfs -mkdir hdfs://{color:red}hacluster2 /hacluster1{color}dest2/
> {noformat}
> -mkdir: Fatal internal error
> java.lang.NullPointerException
> at
> org.apache.hadoop.fs.FileSystem.fixRelativePart(FileSystem.java:2714)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.fixRelativePart(DistributedFileSystem.java:3229)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1618)
> at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1742)
> at
> org.apache.hadoop.fs.shell.Mkdir.processNonexistentPath(Mkdir.java:74)
> at
> org.apache.hadoop.fs.shell.Command.processArgument(Command.java:287)
> at
> org.apache.hadoop.fs.shell.Command.processArguments(Command.java:269)
> at
> org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:121)
> at org.apache.hadoop.fs.shell.Command.run(Command.java:176)
> at org.apache.hadoop.fs.FsShell.run(FsShell.java:328)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
> at org.apache.hadoop.fs.FsShell.main(FsShell.java:391)
> bin>
> {noformat}
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