Flink local模式下，运行Flink自带的jar包一直报错
启动Flink:
执行： bin/flink run examples/streaming/SocketWindowWordCount.jar --port 8888
利用nc -lk 8888模拟socket 输入，然后会报错，并且页面也进不去了
前台页面显示：
后台报错内容：
org.apache.flink.client.program.ProgramInvocationException: Could not retrieve the execution result. (JobID: f2ee89e0ed991f22ed9eaec00edfd789)
at org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:261)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:486)
at org.apache.flink.streaming.api.environment.StreamContextEnvironment.execute(StreamContextEnvironment.java:66)
at org.apache.flink.streaming.examples.socket.SocketWindowWordCount.main(SocketWindowWordCount.java:92)
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:483)
at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:529)
at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:421)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:426)
at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:816)
at org.apache.flink.client.cli.CliFrontend.runProgram(CliFrontend.java:290)
at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:216)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1053)
at org.apache.flink.client.cli.CliFrontend.lambda$main$11(CliFrontend.java:1129)
at org.apache.flink.client.cli.CliFrontend$$Lambda$1/1977310713.call(Unknown Source)
at org.apache.flink.runtime.security.HadoopSecurityContext$$Lambda$2/1169474473.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1754)
at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1129)
Caused by: org.apache.flink.runtime.client.JobSubmissionException: Failed to submit JobGraph.
at org.apache.flink.client.program.rest.RestClusterClient.lambda$submitJob$8(RestClusterClient.java:380)
at org.apache.flink.client.program.rest.RestClusterClient$$Lambda$11/256346753.apply(Unknown Source)
at java.util.concurrent.CompletableFuture$ExceptionCompletion.run(CompletableFuture.java:1246)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:193)
at java.util.concurrent.CompletableFuture.internalComplete(CompletableFuture.java:210)
at java.util.concurrent.CompletableFuture$ThenApply.run(CompletableFuture.java:723)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:193)
at java.util.concurrent.CompletableFuture.internalComplete(CompletableFuture.java:210)
at java.util.concurrent.CompletableFuture$ThenCopy.run(CompletableFuture.java:1333)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:193)
at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2361)
at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$5(FutureUtils.java:203)
at org.apache.flink.runtime.concurrent.FutureUtils$$Lambda$21/100819684.accept(Unknown Source)
at java.util.concurrent.CompletableFuture$WhenCompleteCompletion.run(CompletableFuture.java:1298)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:193)
at java.util.concurrent.CompletableFuture.internalComplete(CompletableFuture.java:210)
at java.util.concurrent.CompletableFuture$ThenCopy.run(CompletableFuture.java:1333)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:193)
at java.util.concurrent.CompletableFuture.internalComplete(CompletableFuture.java:210)
at java.util.concurrent.CompletableFuture$AsyncCompose.exec(CompletableFuture.java:626)
at java.util.concurrent.CompletableFuture$Async.run(CompletableFuture.java:428)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.flink.runtime.rest.util.RestClientException: [Internal server error., <Exception on server side:
akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka://flink/user/dispatcher#1680779493]] after [12000 ms]. Sender[null] sent message of type "org.apache.flink.runtime.rpc.messages.LocalFencedMessage".
at akka.pattern.PromiseActorRef$$anonfun$1.apply$mcV$sp(AskSupport.scala:604)
at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:126)
at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:601)
at scala.concurrent.BatchingExecutor$class.execute(BatchingExecutor.scala:109)
at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:599)
at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:329)
at akka.actor.LightArrayRevolverScheduler$$anon$4.executeBucket$1(LightArrayRevolverScheduler.scala:280)
at akka.actor.LightArrayRevolverScheduler$$anon$4.nextTick(LightArrayRevolverScheduler.scala:284)
at akka.actor.LightArrayRevolverScheduler$$anon$4.run(LightArrayRevolverScheduler.scala:236)
at java.lang.Thread.run(Thread.java:745)
End of exception on server side>]
at org.apache.flink.runtime.rest.RestClient.parseResponse(RestClient.java:350)
at org.apache.flink.runtime.rest.RestClient.lambda$submitRequest$3(RestClient.java:334)
at org.apache.flink.runtime.rest.RestClient$$Lambda$31/1522310222.apply(Unknown Source)
at java.util.concurrent.CompletableFuture$AsyncCompose.exec(CompletableFuture.java:604)
... 4 more
网上搜了一下，添加了这几个参数还是有问题：
akka.ask.timeout: 60 s
web.timeout: 12000
taskmanager.host: localhost
有人遇到过吗？
