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Date: Tue, 9 Jul 2013 02:17:49 +0000 (UTC)
From: "Manoj Mainali (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Message-ID: <JIRA.12656771.1373336257065.15912.1373336269294@arcas>
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Subject: [jira] [Created] (CASSANDRA-5734) Print usage when command is not
 specified in nodetool instead of connection failure
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Manoj Mainali created CASSANDRA-5734:
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             Summary: 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
    Affects Versions: 1.2.6
            Reporter: Manoj Mainali
            Priority: Minor


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

{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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