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From "Daniel John Debrunner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3435) Add an MBean for monitoring and managing the Network Server
Date Wed, 20 Feb 2008 16:39:45 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570739#action_12570739
] 

Daniel John Debrunner commented on DERBY-3435:
----------------------------------------------

I'll commit the patch in a few minutes with a minor change:

  changed the implementation of the bean to be package private.

Minor comments.

The ping command didn't work for me, maybe a permission issue.

I also think the javadoc for the ping operation should clearly indicate it's a ping from the
same machine as the network server.

Exception handling for ping and the set methods (when added) may need changing. If the exception
chain includes a class that is not present on the client. I hit this yesterday with a EmbedSQLException
from a test MBean.

> Add an MBean for monitoring and managing the Network Server
> -----------------------------------------------------------
>
>                 Key: DERBY-3435
>                 URL: https://issues.apache.org/jira/browse/DERBY-3435
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Network Server, Services
>            Reporter: John H. Embretsen
>            Assignee: John H. Embretsen
>         Attachments: d3435_v01.diff, d3435_v01.stat
>
>
> Most functionality of and information about a running instance of the Network Server
is currently only available from the host running the Network Server, using the NetworkServerControl
API.
> With a JMX Management and Monitoring service in place utilizing JMX (DERBY-1387), it
is possible to expose some of the Network Server functionality and information through an
MBean that is specific to the Network Server, to both local and remote users (JMX clients),
subject to security restrictions. Access to Derby libraries on the client side is not even
a requirement, potentially making a server administrator's job a lot easier.

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