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https://issues.apache.org/jira/browse/HADOOP-14175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16421067#comment-16421067
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keuler commented on HADOOP-14175:
---------------------------------
Hello [~jzhuge] and [~xiaobingo],
I am a beginner in Hadoop development and would like to suggest a patch to this
issue.
Please find below the proposed patch.
[https://github.com/keuler1/hadoop/commit/29cb66f5876b8715cc43d273fb37eecfc230e6aa]
Best regards,
Keuler
> NPE when ADL store URI contains underscore
> ------------------------------------------
>
> Key: HADOOP-14175
> URL: https://issues.apache.org/jira/browse/HADOOP-14175
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/adl
> Affects Versions: 2.8.0
> Reporter: John Zhuge
> Assignee: Xiaobing Zhou
> Priority: Minor
> Labels: newbie, supportability
>
> Please note the underscore {{_}} in the store name {{jzhuge_adls}}. Same NPE
> wherever the underscore in the URI.
> {noformat}
> $ bin/hadoop fs -ls adl://jzhuge_adls.azuredatalakestore.net/
> -ls: Fatal internal error
> java.lang.NullPointerException
> at
> org.apache.hadoop.fs.adl.AdlFileSystem.initialize(AdlFileSystem.java:145)
> at
> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3257)
> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:123)
> at
> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3306)
> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3274)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:476)
> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:361)
> at org.apache.hadoop.fs.shell.PathData.expandAsGlob(PathData.java:325)
> at org.apache.hadoop.fs.shell.Command.expandArgument(Command.java:249)
> at org.apache.hadoop.fs.shell.Command.expandArguments(Command.java:232)
> at
> org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:103)
> at org.apache.hadoop.fs.shell.Command.run(Command.java:176)
> at org.apache.hadoop.fs.FsShell.run(FsShell.java:326)
> 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:389)
> {noformat}
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