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https://issues.apache.org/jira/browse/HDFS-14257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16883162#comment-16883162
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hemanthboyina commented on HDFS-14257:
--------------------------------------
thanks [~surendrasingh] for enlightening the root cause situation and giving
solution
submitted the patch with junit written.
> 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.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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