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From "John H. Embretsen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3466) Investigate ability to run multiple Derby systems in same JVM with different sets of MBeans.
Date Fri, 07 Mar 2008 10:27:48 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12576119#action_12576119
] 

John H. Embretsen commented on DERBY-3466:
------------------------------------------

I agree we should not put too much effort into how the presentation of Derby's MBeans will
look in generic tools without an additional abstraction layer, although I'm sure a large portion
of Derby's JMX users will access the beans directly this way, at least to begin with.

One more question:
Other than by accessing Derby's MBeans, how can a user determine the value of the system identifier?
Is it being exposed by some other public API as well?

> Investigate ability to run multiple Derby systems in same JVM with different sets of
MBeans.
> --------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3466
>                 URL: https://issues.apache.org/jira/browse/DERBY-3466
>             Project: Derby
>          Issue Type: Sub-task
>          Components: JMX
>            Reporter: Daniel John Debrunner
>            Priority: Minor
>             Fix For: 10.4.0.0
>
>         Attachments: d3466_mbean_system_id.txt
>
>
> One of the reasons for JMX was to move away from system properties (specifically derby.system.home)
to allow multiple Derby systems running within the same virtual machine. It would be good
to get some unique naming/attribute scheme in the ObjectNames up front rather than only have
it in some later version.

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