Have you looked at org.apache.flink.gelly.GraphExtension.CustomVertexValue.createInitSemiCluster(CustomVertexValue.java:51)?
> On Jun 9, 2017, at 4:53 PM, Kaepke, Marc <marc.kae...@haw-hamburg.de> wrote: > > Hi everyone, > > I don’t have any exceptions if I execute my Gelly job in my IDE (local) > directly. > The next step is an execution with a real kubernetes cluster (1 JobManager > and 3 TaskManager on dedicated machines). The word count example is running > without exceptions. My Gelly job throws following exception and I don’t know > why. > > org.apache.flink.client.program.ProgramInvocationException: The program > execution failed: Job execution failed. > at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:478) > at > org.apache.flink.client.program.StandaloneClusterClient.submitJob(StandaloneClusterClient.java:105) > at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:442) > at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:429) > at > org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:62) > at > org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:926) > at org.apache.flink.api.java.DataSet.collect(DataSet.java:410) > at > org.apache.flink.gelly.Algorithm.SemiClusteringPregel.run(SemiClusteringPregel.java:84) > at > org.apache.flink.gelly.Algorithm.SemiClusteringPregel.run(SemiClusteringPregel.java:34) > at org.apache.flink.graph.Graph.run(Graph.java:1850) > at org.apache.flink.gelly.job.GellyMain.main(GellyMain.java:128) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:528) > at > org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:419) > at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:381) > at org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:838) > at org.apache.flink.client.CliFrontend.run(CliFrontend.java:259) > at org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1086) > at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1133) > at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1130) > at > org.apache.flink.runtime.security.HadoopSecurityContext$1.run(HadoopSecurityContext.java:43) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) > at > org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:40) > at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1129) > Caused by: org.apache.flink.runtime.client.JobExecutionException: Job > execution failed. > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply$mcV$sp(JobManager.scala:933) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:876) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:876) > at > scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) > at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) > at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40) > at > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397) > at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > Caused by: java.lang.NullPointerException > at > org.apache.flink.gelly.GraphExtension.CustomVertexValue.createInitSemiCluster(CustomVertexValue.java:51) > at > org.apache.flink.gelly.PreModification.IncidentEdgesCollector.iterateEdges(IncidentEdgesCollector.java:37) > at > org.apache.flink.graph.Graph$ApplyCoGroupFunctionOnAllEdges.coGroup(Graph.java:1252) > at > org.apache.flink.runtime.operators.CoGroupDriver.run(CoGroupDriver.java:159) > at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:490) > at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:355) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702) > at java.lang.Thread.run(Thread.java:748) > > I guess the trigger is the coGroup function, but I’m not sure and need your > help. > > > Best, > > Marc >
