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From tillrohrmann <...@git.apache.org>
Subject [GitHub] flink issue #2146: [FLINK-1550/FLINK-4057] Add JobManager Metrics
Date Tue, 28 Jun 2016 10:28:14 GMT
Github user tillrohrmann commented on the issue:

    https://github.com/apache/flink/pull/2146
  
    I just tried the code out and run into the problem of a job metric group being null:
    
    ```
    java.lang.NullPointerException
    	at org.apache.flink.util.Preconditions.checkNotNull(Preconditions.java:58)
    	at org.apache.flink.runtime.executiongraph.ExecutionGraph.<init>(ExecutionGraph.java:316)
    	at org.apache.flink.runtime.jobmanager.JobManager.org$apache$flink$runtime$jobmanager$JobManager$$submitJob(JobManager.scala:1126)
    	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1.applyOrElse(JobManager.scala:501)
    	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
    	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
    	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
    	at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:36)
    	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
    	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
    	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
    	at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
    	at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
    	at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
    	at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
    	at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
    	at org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:118)
    	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
    	at akka.actor.ActorCell.invoke(ActorCell.scala:487)
    	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254)
    	at akka.dispatch.Mailbox.run(Mailbox.scala:221)
    	at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
    	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
    	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
    	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
    	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
    ```


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