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From Flavio Pompermaier <pomperma...@okkam.it>
Subject Re: remote debugging
Date Tue, 17 May 2016 13:56:42 GMT
No I can't edit that page :(

On Tue, May 17, 2016 at 3:46 PM, Stefano Baghino <
stefano.baghino@radicalbit.io> wrote:

> Thanks Flavio,
>
> perhaps it would be a nice addition to the Wiki page, would you care to
> contribute your suggestion? :)
>
> On Tue, May 17, 2016 at 3:22 PM, Flavio Pompermaier <pompermaier@okkam.it>
> wrote:
>
> > Hi to all,
> >
> > for debugging Flink from Eclipse this is what you have to do:
> >
> >    1. go to 'Run' -> 'Debug configurations...'
> >    2. Create a new 'Remote Java Application'
> >    3. In the 'Connect' tab choose:
> >       1. the project to debug
> >       2. Connection type 'Standard (Socket Attach)'
> >       3. Connection properties *target.host.name-or-ip*/*5005* (change
> > *target.host.name-or-ip
> >       properly...)*
> >       4. (Optional) If you see the error 'Multiple launchers available'
> >       because you have bot Eclipse and scala debuggers click on Select
> one
> > and
> >       select the right one (e.g. Eclipse JDT Launcher)
> >
> > Unofrtunately remote debugging is not possible with Flink UDF (or at
> least
> > I didn't manage to debug it from Eclipse).
> >
> > Best,
> > Flavio
> >
> > On Tue, May 17, 2016 at 11:24 AM, Stephan Ewen <sewen@apache.org> wrote:
> >
> > > Hey Stefano!
> > >
> > > I think that question is bound to come up again. I created a page in
> the
> > > Flink Wiki to document this.
> > >
> > > If you have a few moments, would be great if you could add your
> > description
> > > there:
> > >
> > >
> >
> https://cwiki.apache.org/confluence/display/FLINK/Remote+Debugging+of+Flink+Clusters
> > > (it is linked from the front page
> > > https://cwiki.apache.org/confluence/display/FLINK/Apache+Flink+Home )
> > >
> > > Greetings,
> > > Stephan
> > >
> > >
> > > On Tue, May 17, 2016 at 4:26 AM, Vijay Srinivasaraghavan <
> > > vijikarthi@yahoo.com.invalid> wrote:
> > >
> > > > Awesome, thanks Stefano!!
> > > >
> > > >     On Monday, May 16, 2016 9:57 AM, Stefano Baghino <
> > > > stefano.baghino@radicalbit.io> wrote:
> > > >
> > > >
> > > >  I had to do it a couple of times. Wonderful experience to understand
> > the
> > > > inner workings of Flink and explore it while running.
> > > > I don't know if there's a preferred way to do this but this is how I
> > did
> > > > it:
> > > >
> > > > Edit the run configurations in IntelliJ, click the + icon in the
> upper
> > > left
> > > > corner, choose the "Remote" preset.
> > > > Under the "Settings" pane, fill in the remote host where you'll run
> > > Flink.
> > > > Copy the "Command line arguments for running remote JVM".
> > > > Go to the machine running Flink, choose the launch script you need to
> > > > "hijack" and append the copied arguments after the "java" command.
> Make
> > > > sure to set "suspend=y" if you want to make sure Flink doesn't start
> > > > without your debugger attached.
> > > >
> > > > Now simply run Flink with the script you tampered with and run the
> > > > debugger. Please note that if you set "suspend=y" Flink won't start
> > until
> > > > the debugger is attached to the process. Also beware that if the
> > machine
> > > > running Flink is far away from the remote debugger you may suffer
> from
> > > > increased latency when debugging.
> > > >
> > > > Hope I've been helpful, happy hacking. :)
> > > >
> > > > On Mon, May 16, 2016 at 6:43 PM, Vijay Srinivasaraghavan <
> > > > vijikarthi@yahoo.com.invalid> wrote:
> > > >
> > > > > How do I attach remote debugger to running Flink cluster from
> > IntelliJ?
> > > > > Appreciate if anyone could share the steps?
> > > > > RegardsVijay
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > BR,
> > > > Stefano Baghino
> > > >
> > > > Software Engineer @ Radicalbit
> > > >
> > > >
> > > >
> > > >
> > >
> >
>
>
>
> --
> BR,
> Stefano Baghino
>
> Software Engineer @ Radicalbit
>

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