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https://issues.apache.org/jira/browse/HDFS-14257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16879013#comment-16879013
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hemanthboyina commented on HDFS-14257:
--------------------------------------
added a null check for the path
now /bin # ./hdfs dfs -mkdir hdfs://hacluster1
{noformat}
-mkdir: Pathname from hdfs://hacluster1 is not a valid DFS filename.
Usage: hadoop fs [generic options]
[-appendToFile <localsrc> ... <dst>]
[-cat [-ignoreCrc] <src> ...]
[-checksum <src> ...]
[-chgrp [-R] GROUP PATH...]
[-chmod [-R] <MODE[,MODE]... | OCTALMODE> PATH...]
[-chown [-R] [OWNER][:[GROUP]] PATH...]
[-copyFromLocal [-f] [-p] [-l] [-d] [-t <thread count>] <localsrc> ... <dst>]
[-copyToLocal [-f] [-p] [-ignoreCrc] [-crc] <src> ... <localdst>]
[-count [-q] [-h] [-v] [-t [<storage type>]] [-u] [-x] [-e] <path> ...]
[-cp [-f] [-p | -p[topax]] [-d] <src> ... <dst>]
[-createSnapshot <snapshotDir> [<snapshotName>]]
[-deleteSnapshot <snapshotDir> <snapshotName>]
[-df [-h] [<path> ...]]
[-du [-s] [-h] [-v] [-x] <path> ...]
[-expunge]
[-find <path> ... <expression> ...]
[-get [-f] [-p] [-ignoreCrc] [-crc] <src> ... <localdst>]
{noformat}
is it okay ?
> 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
>
> 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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