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https://issues.apache.org/jira/browse/TWILL-70?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Neumann resolved TWILL-70.
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Resolution: Fixed
Fix Version/s: 0.3.0-incubating
> A an option to debug runnables
> ------------------------------
>
> Key: TWILL-70
> URL: https://issues.apache.org/jira/browse/TWILL-70
> Project: Apache Twill
> Issue Type: New Feature
> Components: yarn
> Reporter: Andreas Neumann
> Assignee: Andreas Neumann
> Fix For: 0.3.0-incubating
>
>
> Trouble-shooting distributed apps is hard. One of the challenges is to see
> what is going on inside a runnable. This will add the ability to attach a
> remote debugger to a Twill runnable.: An option to start some or all
> runnables with the debugging port open. The port cannot be fixed because that
> could cause conflicts between multiple runnables. Therefore the runnable
> detects a free port and uses that, and communicates that port back to the
> client via the run resources call of the controller.
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