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https://issues.apache.org/jira/browse/HDDS-438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16614921#comment-16614921
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Hudson commented on HDDS-438:
-----------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14957 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/14957/])
HDDS-438. 'ozone oz' should print usage when command or sub-command is (arp:
rev a12f12f1af22a28bce2d361a506394761cf53aa7)
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/web/ozShell/volume/VolumeCommands.java
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/cli/MissingSubcommandException.java
* (edit)
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/ozShell/TestOzoneShell.java
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/cli/GenericCli.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/web/ozShell/keys/KeyCommands.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/web/ozShell/bucket/BucketCommands.java
> 'ozone oz' should print usage when command or sub-command is missing
> --------------------------------------------------------------------
>
> Key: HDDS-438
> URL: https://issues.apache.org/jira/browse/HDDS-438
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: Tools
> Reporter: Arpit Agarwal
> Assignee: Dinesh Chitlangia
> Priority: Major
> Labels: newbie, usability
> Fix For: 0.2.1, 0.3.0
>
> Attachments: HDDS-438.001.patch, HDDS-438.002.patch,
> HDDS-438.003.patch
>
>
> When invoked without the command or sub-command, _ozone oz_ prints the
> following error:
> {code:java}
> $ ozone oz
> Please select a subcommand
> {code}
> and
> {code:java}
> $ ozone oz volume
> Please select a subcommand
> {code}
> For most familiar with Unix utilities it is obvious they should rerun the
> command with _--help._ However we can just print the usage instead to avoid
> guesswork
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