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From "Ingo Siebert (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5462) [drlvm][instrument][geronimo] -javaagent option not supported
Date Mon, 04 Aug 2008 15:40:44 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12619552#action_12619552
] 

Ingo Siebert commented on HARMONY-5462:
---------------------------------------

We only want to open one specific port for a Java JConsole remote access to our servers.
But jmx opens randonly additional ports and these ports are not passed by our (many) firewall.


That's why we need the javaagent argument because with this argument we are able to reduce
the number of needed ports.

I think the requirement is for many users important and it gets more important with every
java version, because JMX/JConsole is becoming better and better.

> [drlvm][instrument][geronimo] -javaagent option not supported
> -------------------------------------------------------------
>
>                 Key: HARMONY-5462
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5462
>             Project: Harmony
>          Issue Type: Bug
>          Components: App-Oriented Bug Reports, DRLVM
>    Affects Versions: 5.0M4, 5.0M5
>            Reporter: Vasily Zakharov
>            Priority: Critical
>
> Harmony launcher doesn't support -javaagent startup option. That option is a part of
J2SE5 spec [1], so it probably should be supported.
> The java.lang.instrument package (the option is part of) exists in Harmony classlib,
and the question of having the option support has quite a story in discussion [2] [3] [4],
but the option is not yet supported. There's even a JIRA issue [5] for this problem for IBM
VME.
> This issue affects Geronimo, as it uses that option and provides it's own jpa.jar.
> [1] http://java.sun.com/j2se/1.5.0/docs/api/java/lang/instrument/package-summary.html
> [2] http://thread.gmane.org/gmane.comp.java.harmony.devel/11197
> [3] http://thread.gmane.org/gmane.comp.java.harmony.devel/12200
> [4] http://thread.gmane.org/gmane.comp.java.harmony.devel/31652
> [5] http://issues.apache.org/jira/browse/HARMONY-3128

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