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https://issues.apache.org/jira/browse/CASSANDRA-5734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13704048#comment-13704048
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Dave Brosius commented on CASSANDRA-5734:
-----------------------------------------
patch looks fine, however formatting is off. Please use spaces, rather than
tabs, and align with 4 spaces per indent.
> Print usage when command is not specified in nodetool instead of connection
> failure
> -----------------------------------------------------------------------------------
>
> Key: CASSANDRA-5734
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5734
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Affects Versions: 1.2.6
> Reporter: Manoj Mainali
> Assignee: Manoj Mainali
> Priority: Minor
> Fix For: 1.2.7
>
> Attachments: trunk-CASSANDRA-5734.patch
>
>
> nodetool command tries to establish connection to the cassandra node before
> ensuring that the command is valid. Therefore, when no command is specified
> it will print (in the case when C* is not running)
> {noformat}
> $ bin/nodetool
> Failed to connect to '127.0.0.1:7199': Connection refused
> {noformat}
> That means we need to have a running instance of C* to check the available
> commands. But this is a syntax error and usage can be displayed (which is the
> result even if a C* is running) even without a C* instance. Probably, it
> would be better to make sure that the command sytnax is valid and print usage
> if not. By doing this, we can easily check the available commands.
> Additionally, same should apply for the help command. Since, help will not be
> connecting to the C* instance, we should not have a dependency on a running
> C*.
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