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Date: Thu, 23 Jun 2011 01:20:47 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
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Subject: [jira] [Commented] (CASSANDRA-2808) add java vendor/versoin to
 cassandra startup logging
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    [ https://issues.apache.org/jira/browse/CASSANDRA-2808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13053582#comment-13053582 ] 

Hudson commented on CASSANDRA-2808:
-----------------------------------

Integrated in Cassandra-0.8 #185 (See [https://builds.apache.org/job/Cassandra-0.8/185/])
    

> add java vendor/versoin to cassandra startup logging
> ----------------------------------------------------
>
>                 Key: CASSANDRA-2808
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2808
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jackson Chung
>            Assignee: Jackson Chung
>            Priority: Minor
>             Fix For: 0.8.2
>
>         Attachments: 2808.patch
>
>
> currently to determine which exact java is being used by the CassandraDaemon jvm could be difficult. Some may have use rpm/deb java package, other may have used tarbar and set JAVA_HOME, PATH, etc etc.
> It "could be" done, but may take some iteration to get the true answer if one's setup is complicated (user is root/cassandra and contains difference env settings between cassandra startup user vs the login user)
> It would be very helpful to have this information simply logged in the log file, right at the beginning. This helps identifying the java type/version quickly without much operation overhead, and easily done in 1-liner:
> logger.info("Java vendor/version: {}/{}", System.getProperty("java.vm.name"), System.getProperty("java.version") );
> In OpenJDK java, you will something similar to: 
>  INFO [main] 2011-06-22 07:08:16,610 AbstractCassandraDaemon.java (line 95) Java vendor/version: OpenJDK 64-Bit Server VM/1.6.0_20
> In Java(TM), you will get something like:
>  INFO [main] 2011-06-22 00:15:34,936 AbstractCassandraDaemon.java (line 96) Java vendor/version: Java HotSpot(TM) 64-Bit Server VM/1.6.0_24
> this little edition will go a long way.

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