Hi Tony, thank you for doing this! It would be really helpful if you can
open a PR with the change so we can review it!

On Fri, Nov 1, 2019 at 9:50 AM Tony Schwartz <tonyschwa...@gmail.com> wrote:

> Yes, I was able to build the project now with my recommended code change
> and it works fine.   Can someone please look into making this change?  So
> far, it's the only issue I've run into with OpenJDK.
>
> Thank you,
>
> Tony Schwartz
>
> On Fri, Nov 1, 2019 at 11:34 AM Tony Schwartz <tonyschwa...@gmail.com>
> wrote:
>
> > The app fails to hand off the segments to the "historical" coordinator
> (or
> > whatever it's called) so all my segments become immediately unavailable.
> > On the 2 versions of the latest OpenJDK (8 and 11) on which I've tried
> > this, I get the same issue.  What I believe is happening can be fixed
> with
> > a code change to:  DruidCoordinator.java @line 690.  the instance inner
> > class CoordinatorHistoricalManagerRunnable has a constructor that is
> > referencing DruidCoordinator.this prior to the super(...) constructor
> being
> > invoked.  This causes a failure.  A work-around is to pass the
> coordinator
> > instance to the constructor:
> > CoordinatorHistoricalManagerRunnable(final DruidCoordinator c, final int
> > startingLeaderCounter)
> > and then, reference c instead of DruidCoordinator.this throughout that
> > constructor method.  You can probably make this a static inner class at
> > that point, although I haven't analyzed it that far.
> >
> > The exception that shows up in the coordinator-overlord.log is:
> > 2019-10-31T16:23:02,953 ERROR
> > [LeaderSelector[/druid/coordinator/_COORDINATOR]]
> > org.apache.curator.framework.listen.ListenerContainer - Listener
> > (org.apache.druid.curator.discovery.CuratorDruidLeaderSelector$1@1e7d3d87
> )
> > threw an exception
> > java.lang.ClassFormatError: Illegal field name
> > "org.apache.druid.server.coordinator.DruidCoordinator$this" in class
> >
> org/apache/druid/server/coordinator/DruidCoordinator$CoordinatorHistoricalManagerRunnable
> >
> >
> >
> > I have tried to make this change myself and to test it, but I am unable
> to
> > build the project due to rat licensing issues.  Also, when I don't run
> rat
> > via the mvn build, i get another error:  gpg: signing failed: No pinentry
> > ..
> > [ERROR] Failed to execute goal
> > org.apache.maven.plugins:maven-gpg-plugin:1.6:sign
> (sign-release-artifacts)
> > on project druid: Exit code: 2 -> [Help 1]
> >
> >
> >
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> >
> >
>


-- 
Jad Naous
Imply | VP R&D
650-521-3425
jad.na...@imply.io

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