如题，下面给出了一个异常栈。 有时候提交任务也会导致flink-webui类似卡死一样大概几十秒。任务包50MB左右，提交到远程集群，提交毕竟慢，需要几十秒，快1min提交。
13:10:54.136 [flink-scheduler-1] ERROR org.apache.flink.runtime.rest.handler.job.JobDetailsHandler - Unhandled exception.akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp:// [email protected]:2000/user/dispatcher#-1139504499]] after [10000 ms]. Message of type [org.apache.flink.runtime.rpc.messages.RemoteFencedMessage]. A typical reason for `AskTimeoutException` is that the recipient actor didn't send a reply. at akka.pattern.PromiseActorRef$.$anonfun$defaultOnTimeout$1(AskSupport.scala:635) at akka.pattern.PromiseActorRef$.$anonfun$apply$1(AskSupport.scala:650) at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:205) at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870) at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:109) at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103) at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868) at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:328) at akka.actor.LightArrayRevolverScheduler$$anon$3.executeBucket$1(LightArrayRevolverScheduler.scala:279) at akka.actor.LightArrayRevolverScheduler$$anon$3.nextTick(LightArrayRevolverScheduler.scala:283) at akka.actor.LightArrayRevolverScheduler$$anon$3.run(LightArrayRevolverScheduler.scala:235) at java.lang.Thread.run(Thread.java:748)13:10:54.140 [flink-scheduler-1] ERROR org.apache.flink.runtime.rest.handler.job.checkpoints.CheckpointingStatisticsHandler - Unhandled exception.akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp:// [email protected]:2000/user/dispatcher#-1139504499]] after [10000 ms]. Message of type [org.apache.flink.runtime.rpc.messages.RemoteFencedMessage]. A typical reason for `AskTimeoutException` is that the recipient actor didn't send a reply. at akka.pattern.PromiseActorRef$.$anonfun$defaultOnTimeout$1(AskSupport.scala:635) at akka.pattern.PromiseActorRef$.$anonfun$apply$1(AskSupport.scala:650) at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:205) at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870) at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:109) at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103) at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868) at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:328) at akka.actor.LightArrayRevolverScheduler$$anon$3.executeBucket$1(LightArrayRevolverScheduler.scala:279) at akka.actor.LightArrayRevolverScheduler$$anon$3.nextTick(LightArrayRevolverScheduler.scala:283) at akka.actor.LightArrayRevolverScheduler$$anon$3.run(LightArrayRevolverScheduler.scala:235) at java.lang.Thread.run(Thread.java:748)13:10:54.141 [flink-scheduler-1] ERROR org.apache.flink.runtime.rest.handler.job.checkpoints.CheckpointConfigHandler - Unhandled exception.akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp:// [email protected]:2000/user/dispatcher#-1139504499]] after [10000 ms]. Message of type [org.apache.flink.runtime.rpc.messages.RemoteFencedMessage]. A typical reason for `AskTimeoutException` is that the recipient actor didn't send a reply. at akka.pattern.PromiseActorRef$.$anonfun$defaultOnTimeout$1(AskSupport.scala:635) at akka.pattern.PromiseActorRef$.$anonfun$apply$1(AskSupport.scala:650) at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:205) at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870) at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:109) at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103) at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868) at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:328) at akka.actor.LightArrayRevolverScheduler$$anon$3.executeBucket$1(LightArrayRevolverScheduler.scala:279) at akka.actor.LightArrayRevolverScheduler$$anon$3.nextTick(LightArrayRevolverScheduler.scala:283) at akka.actor.LightArrayRevolverScheduler$$anon$3.run(LightArrayRevolverScheduler.scala:235) at java.lang.Thread.run(Thread.java:748)13:11:04.225 [flink-scheduler-1] ERROR org.apache.flink.runtime.rest.handler.job.checkpoints.CheckpointConfigHandler - Unhandled exception.akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp:// [email protected]:2000/user/dispatcher#-1139504499]] after [10000 ms]. Message of type [org.apache.flink.runtime.rpc.messages.RemoteFencedMessage]. A typical reason for `AskTimeoutException` is that the recipient actor didn't send a reply. at akka.pattern.PromiseActorRef$.$anonfun$defaultOnTimeout$1(AskSupport.scala:635) at akka.pattern.PromiseActorRef$.$anonfun$apply$1(AskSupport.scala:650) at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:205) at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870) at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:109) at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103) at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868) at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:328) at akka.actor.LightArrayRevolverScheduler$$anon$3.executeBucket$1(LightArrayRevolverScheduler.scala:279) at akka.actor.LightArrayRevolverScheduler$$anon$3.nextTick(LightArrayRevolverScheduler.scala:283) at akka.actor.LightArrayRevolverScheduler$$anon$3.run(LightArrayRevolverScheduler.scala:235) at java.lang.Thread.run(Thread.java:748)13:11:04.226 [flink-scheduler-1] ERROR org.apache.flink.runtime.rest.handler.job.JobDetailsHandler - Unhandled exception.akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp:// [email protected]:2000/user/dispatcher#-1139504499]] after [10000 ms]. Message of type [org.apache.flink.runtime.rpc.messages.RemoteFencedMessage]. A typical reason for `AskTimeoutException` is that the recipient actor didn't send a reply. at akka.pattern.PromiseActorRef$.$anonfun$defaultOnTimeout$1(AskSupport.scala:635) at akka.pattern.PromiseActorRef$.$anonfun$apply$1(AskSupport.scala:650) at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:205) at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870) at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:109) at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103) at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868) at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:328) at akka.actor.LightArrayRevolverScheduler$$anon$3.executeBucket$1(LightArrayRevolverScheduler.scala:279) at akka.actor.LightArrayRevolverScheduler$$anon$3.nextTick(LightArrayRevolverScheduler.scala:283) at akka.actor.LightArrayRevolverScheduler$$anon$3.run(LightArrayRevolverScheduler.scala:235) at java.lang.Thread.run(Thread.java:748)13:11:04.226 [flink-scheduler-1] ERROR org.apache.flink.runtime.rest.handler.job.checkpoints.CheckpointingStatisticsHandler - Unhandled exception.akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp:// [email protected]:2000/user/dispatcher#-1139504499]] after [10000 ms]. Message of type [org.apache.flink.runtime.rpc.messages.RemoteFencedMessage]. A typical reason for `AskTimeoutException` is that the recipient actor didn't send a reply. at akka.pattern.PromiseActorRef$.$anonfun$defaultOnTimeout$1(AskSupport.scala:635) at akka.pattern.PromiseActorRef$.$anonfun$apply$1(AskSupport.scala:650) at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:205) at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870) at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:109) at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103) at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868) at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:328) at akka.actor.LightArrayRevolverScheduler$$anon$3.executeBucket$1(LightArrayRevolverScheduler.scala:279) at akka.actor.LightArrayRevolverScheduler$$anon$3.nextTick(LightArrayRevolverScheduler.scala:283) at akka.actor.LightArrayRevolverScheduler$$anon$3.run(LightArrayRevolverScheduler.scala:235) at java.lang.Thread.run(Thread.java:748)13:11:07.205 [flink-scheduler-1] ERROR org.apache.flink.runtime.rest.handler.job.JobsOverviewHandler - Unhandled exception.akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp:// [email protected]:2000/user/dispatcher#-1139504499]] after [10000 ms]. Message of type [org.apache.flink.runtime.rpc.messages.RemoteFencedMessage]. A typical reason for `AskTimeoutException` is that the recipient actor didn't send a reply. at akka.pattern.PromiseActorRef$.$anonfun$defaultOnTimeout$1(AskSupport.scala:635) at akka.pattern.PromiseActorRef$.$anonfun$apply$1(AskSupport.scala:650) at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:205) at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870) at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:109) at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103) at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868) at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:328) at akka.actor.LightArrayRevolverScheduler$$anon$3.executeBucket$1(LightArrayRevolverScheduler.scala:279) at akka.actor.LightArrayRevolverScheduler$$anon$3.nextTick(LightArrayRevolverScheduler.scala:283) at akka.actor.LightArrayRevolverScheduler$$anon$3.run(LightArrayRevolverScheduler.scala:235) at java.lang.Thread.run(Thread.java:748)
