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https://issues.apache.org/jira/browse/DERBY-3435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570747#action_12570747
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John H. Embretsen commented on DERBY-3435:
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Thanks for looking at the patch!
Package placement: No reason, I just didn't think of placing it in java/drda,
so feel free to move it.
The Exception handling issue is known from DERBY-1387 - I did not provide a
solution as part of this patch.
Yes, the ping command requires a SocketPermission (as stated above). Even with
the permission I'm not sure it will always work, since the
NetworkServerControlImpl instance is not designed to ping itself. For example,
if "-h 0.0.0.0" is specified, it pings the host 0.0.0.0 instead of localhost
(which works, but there may be other values of -h that won't, I guess).
I agree with the javadoc suggestion and that the implementation class should be
package private.
> 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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