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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5819) Add logic to BaseTestCase to start subprocesses ready to be attached to from a Java debugger
Date Thu, 21 Jun 2012 17:58:42 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-5819:
---------------------------------

    Attachment: derby-5819b.diff

Attached version "b" of this patch. For now, it limits this to Sun VMs. Added another property,
"debugPortBase=<int>", but the default is still 8800. Refactored the code to a private
method in BasetestCase: setupForDebuggerAttach.

Summary of properties as the patch stands:

     debugPortBase=<int>    default 8800
     debugSubProcesses=<boolean>    default false 

                
> Add logic to BaseTestCase to start subprocesses ready to be attached to from a Java debugger
> --------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5819
>                 URL: https://issues.apache.org/jira/browse/DERBY-5819
>             Project: Derby
>          Issue Type: Improvement
>          Components: Test
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>            Priority: Minor
>         Attachments: derby-5819.diff, derby-5819b.diff
>
>
> Sometimes it's useful to be able to attach to subprocesses of tests with a debugger.
> Now that we have centralized subprocess creation in BaseTestCase#execJavaCmd it would
be easy and useful to have subprocesses start, but wait for a debugger to attach to them,
i.e. with these options on an Oracle VM:
> -Xdebug -Xrunjdwp:transport=dt_socket,address=<port>,server=y,suspend=y

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