Hi Pedro, when you restart the cluster, do you keep Web UI open? and does Web UI work eventually after restart and getting this error?
Cheers, Andrey > On 1 Aug 2018, at 11:56, PedroMrChaves <pedro.mr.cha...@gmail.com> wrote: > > Hello, > > I have a running standalone Flink cluster with 2 task managers and 2 job > manages (one task manager and job manager per machine). > Sometimes, when I restart the cluster I get the following error message: > / > java.util.concurrent.CompletionException: > org.apache.flink.util.FlinkException: No REST endpoint has been started for > the JobManager. > at > java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292) > at > java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308) > at > java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:593) > at > java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577) > at > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > at > java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977) > at > org.apache.flink.runtime.concurrent.FutureUtils$1.onComplete(FutureUtils.java:442) > at akka.dispatch.OnComplete.internal(Future.scala:258) > at akka.dispatch.OnComplete.internal(Future.scala:256) > at akka.dispatch.japi$CallbackBridge.apply(Future.scala:186) > at akka.dispatch.japi$CallbackBridge.apply(Future.scala:183) > at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36) > at > org.apache.flink.runtime.concurrent.Executors$DirectExecutionContext.execute(Executors.java:83) > at > scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:44) > at > scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:252) > at scala.concurrent.Promise$class.complete(Promise.scala:55) > at > scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:157) > at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:237) > at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:237) > at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36) > at > scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.processBatch$1(BatchingExecutor.scala:63) > at > scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:78) > at > scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:55) > at > scala.concurrent.BatchingExecutor$Batch$$anonfun$run$1.apply(BatchingExecutor.scala:55) > at > scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72) > at > scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:54) > at > scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:601) > at > scala.concurrent.BatchingExecutor$class.execute(BatchingExecutor.scala:106) > at > scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:599) > at > scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:44) > at > scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:252) > at akka.pattern.PromiseActorRef.$bang(AskSupport.scala:534) > at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:97) > at > akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:982) > at akka.actor.Actor$class.aroundReceive(Actor.scala:502) > at akka.remote.EndpointActor.aroundReceive(Endpoint.scala:446) > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526) > at akka.actor.ActorCell.invoke(ActorCell.scala:495) > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) > at akka.dispatch.Mailbox.run(Mailbox.scala:224) > at akka.dispatch.Mailbox.exec(Mailbox.scala:234) > 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: org.apache.flink.util.FlinkException: No REST endpoint has been > started for the JobManager./ > > which prevents the access to the web interface. > > AM using version 1.4.2 > > Any idea on what might be causing this? > > Regards, > Pedro. > > > > > > ----- > Best Regards, > Pedro Chaves > -- > Sent from: > http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/
