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From Stephan Ewen <se...@apache.org>
Subject Re: [GitHub] incubator-zeppelin pull request: ZEPPELIN-44 Interpreter for Apach...
Date Thu, 21 May 2015 12:52:06 GMT
True, may still have another issue.

On Thu, May 21, 2015 at 1:45 PM, Till Rohrmann <trohrmann@apache.org> wrote:

> Hmm that is interesting. I always thought that in the case of multiple
> SLF4J bindings, slf4j will simply pick one of them (first, last, random).
>
> On Thu, May 21, 2015 at 12:34 PM, Stephan Ewen <sewen@apache.org> wrote:
>
> > The actor system fails to start. Here are the suspicious log lines:
> >
> >     SLF4J: Class path contains multiple SLF4J bindings.
> >     SLF4J: Found binding in [jar:file:/home/travis/.m2/
> > repository/org/slf4j/slf4j-log4j12/1.7.10/slf4j-log4j12-
> > 1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> >     SLF4J: Found binding in [jar:file:/home/travis/build/
> > apache/incubator-zeppelin/zeppelin-interpreter/target/
> > lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> >     SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
> > explanation.
> >     SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
> >
> >
> > Seems that SLF4J has more than one binding. I remember that Akka crashed
> > because of that before.
> >
> > As a simple fix, can you try and exclude the SLF4J jar from your build
> > somehow? Or set it to "provided" in the Flink POM?
> >
> >
> >
> >
> >
> > On Thu, May 21, 2015 at 11:49 AM, Till Rohrmann <trohrmann@apache.org>
> > wrote:
> >
> > > I'll try to reproduce this problem locally on my machine.
> > >
> > > On Thu, May 21, 2015 at 11:25 AM, Fabian Hueske <fhueske@gmail.com>
> > wrote:
> > >
> > > > Hi Flink folks,
> > > >
> > > > the Flink interpreter PR for Apache Zeppelin is blocked by a failing
> > test
> > > > case (see below).
> > > > Does anybody have an idea what is going on and can maybe help to
> > resolve
> > > > the problem?
> > > >
> > > > Thanks, Fabian
> > > >
> > > > ---------- Forwarded message ----------
> > > > From: Leemoonsoo <git@git.apache.org>
> > > > Date: 2015-05-21 6:35 GMT+02:00
> > > > Subject: [GitHub] incubator-zeppelin pull request: ZEPPELIN-44
> > > Interpreter
> > > > for Apach...
> > > > To: dev@zeppelin.incubator.apache.org
> > > >
> > > >
> > > > Github user Leemoonsoo commented on the pull request:
> > > >
> > > >
> > > >
> > >
> >
> https://github.com/apache/incubator-zeppelin/pull/75#issuecomment-104132384
> > > >
> > > >     This PR has some test using FlinkMiniCluster.
> > > >     Tests are fine when i run them on my IDE.
> > > >     But if i run them using maven, it fails. (CI is failing, too)
> > > >
> > > >     I think everything is ready, except for this test failure. Any
> > advice
> > > > is very appreciated.
> > > >     here's failure message
> > > >
> > > >     ```
> > > >     -------------------------------------------------------
> > > >      T E S T S
> > > >     -------------------------------------------------------
> > > >     Running org.apache.zeppelin.flink.FlinkInterpreterTest
> > > >     SLF4J: Class path contains multiple SLF4J bindings.
> > > >     SLF4J: Found binding in
> > > >
> > > >
> > >
> >
> [jar:file:/home/travis/.m2/repository/org/slf4j/slf4j-log4j12/1.7.10/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> > > >     SLF4J: Found binding in
> > > >
> > > >
> > >
> >
> [jar:file:/home/travis/build/apache/incubator-zeppelin/zeppelin-interpreter/target/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> > > >     SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for
> > an
> > > > explanation.
> > > >     SLF4J: Actual binding is of type
> > [org.slf4j.impl.Log4jLoggerFactory]
> > > >     Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed:
> > > 106.131
> > > > sec <<< FAILURE! - in org.apache.zeppelin.flink.FlinkInterpreterTest
> > > >     org.apache.zeppelin.flink.FlinkInterpreterTest  Time elapsed:
> > 106.131
> > > > sec  <<< ERROR!
> > > >     java.util.concurrent.TimeoutException: Futures timed out after
> > > [100000
> > > > milliseconds]
> > > >         at
> > > > scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:219)
> > > >         at
> > > >
> scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:223)
> > > >         at
> > > > scala.concurrent.Await$$anonfun$result$1.apply(package.scala:107)
> > > >         at
> > > >
> > > >
> > >
> >
> scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53)
> > > >         at scala.concurrent.Await$.result(package.scala:107)
> > > >         at akka.remote.Remoting.start(Remoting.scala:180)
> > > >         at
> > > >
> > akka.remote.RemoteActorRefProvider.init(RemoteActorRefProvider.scala:184)
> > > >         at
> > > akka.actor.ActorSystemImpl.liftedTree2$1(ActorSystem.scala:619)
> > > >         at
> > > > akka.actor.ActorSystemImpl._start$lzycompute(ActorSystem.scala:616)
> > > >         at akka.actor.ActorSystemImpl._start(ActorSystem.scala:616)
> > > >         at akka.actor.ActorSystemImpl.start(ActorSystem.scala:633)
> > > >         at akka.actor.ActorSystem$.apply(ActorSystem.scala:142)
> > > >         at akka.actor.ActorSystem$.apply(ActorSystem.scala:119)
> > > >         at akka.actor.ActorSystem$.create(ActorSystem.scala:67)
> > > >         at
> > > >
> > > >
> > >
> >
> org.apache.flink.runtime.akka.AkkaUtils$.createActorSystem(AkkaUtils.scala:82)
> > > >         at
> > > >
> > > >
> > >
> >
> org.apache.flink.runtime.minicluster.FlinkMiniCluster.startJobManagerActorSystem(FlinkMiniCluster.scala:105)
> > > >         at
> > > >
> > > >
> > >
> >
> org.apache.flink.runtime.minicluster.FlinkMiniCluster.<init>(FlinkMiniCluster.scala:61)
> > > >         at
> > > >
> > > >
> > >
> >
> org.apache.flink.runtime.minicluster.LocalFlinkMiniCluster.<init>(LocalFlinkMiniCluster.scala:44)
> > > >         at
> > > >
> > > >
> > >
> >
> org.apache.zeppelin.flink.FlinkInterpreter.startFlinkMiniCluster(FlinkInterpreter.java:297)
> > > >         at
> > > >
> > > >
> > >
> >
> org.apache.zeppelin.flink.FlinkInterpreter.initializeFlinkEnv(FlinkInterpreter.java:152)
> > > >         at
> > > >
> > >
> >
> org.apache.zeppelin.flink.FlinkInterpreter.open(FlinkInterpreter.java:115)
> > > >         at
> > > >
> > > >
> > >
> >
> org.apache.zeppelin.flink.FlinkInterpreterTest.setUp(FlinkInterpreterTest.java:40)
> > > >
> > > >
> > > >     Results :
> > > >
> > > >     Tests in error:
> > > >       FlinkInterpreterTest.setUp:40 » Timeout Futures timed out
> after
> > > > [100000 millis...
> > > >     ```
> > > >
> > > >
> > > > ---
> > > > If your project is set up for it, you can reply to this email and
> have
> > > your
> > > > reply appear on GitHub as well. If your project does not have this
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> > > ticket
> > > > with INFRA.
> > > > ---
> > > >
> > >
> >
>

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