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https://issues.apache.org/jira/browse/GEODE-4221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16313445#comment-16313445
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ASF GitHub Bot commented on GEODE-4221:
---------------------------------------
PivotalSarge opened a new pull request #1234: GEODE-4221: Restore the ability
to access the debugging VM.
URL: https://github.com/apache/geode/pull/1234
Modified DUnitLauncher.getVM(int n) to again allow -1 to get at the
debugging VM.
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> Unable to debug non-controller VMs in DUnit tests
> -------------------------------------------------
>
> Key: GEODE-4221
> URL: https://issues.apache.org/jira/browse/GEODE-4221
> Project: Geode
> Issue Type: Bug
> Components: tests
> Reporter: Michael Dodge
> Assignee: Michael Dodge
>
> An easy mechanism for debugging code that would normally run in a
> non-controller VM in DUnit tests is to temporarily modify the test to pass
> {{-1}} to {{Host.getVM()}} _instead of_ a non-negative VM ID as would
> normally be used. Unfortunately, this mechanism now results in a
> {{java.lang.ArrayIndexOutOfBoundsException}} due to changes for GEODE-3985.
> {{DUnitLauncher.getVM(int n)}} needs to be modified to restore the use of
> {{-1}} for debugging.
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