I tried to run an example program to the first time in FLINK and I got this
error. I have already started FLINK with bin/start-local.sh. Can someone please
help?
21:01:19,898 WARN org.apache.hadoop.util.NativeCodeLoader
- Unable to load native-hadoop library for your platform... using builtin-java
classes where applicable
org.apache.flink.client.program.ProgramInvocationException: Could not build up
connection to JobManager.
at org.apache.flink.client.program.Client.run(Client.java:327)
at org.apache.flink.client.program.Client.run(Client.java:306)
at org.apache.flink.client.program.Client.run(Client.java:300)
at
org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:55)
at
org.apache.flink.examples.java.wordcount.WordCount.main(WordCount.java:82)
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:437)
at
org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:353)
at org.apache.flink.client.program.Client.run(Client.java:250)
at
org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:371)
at org.apache.flink.client.CliFrontend.run(CliFrontend.java:344)
at
org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1087)
at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1114)
Caused by: java.io.IOException: JobManager at
akka.tcp://flink@10.178.49.22:6123/user/jobmanager not reachable. Please make
sure that the JobManager is running and its port is reachable.
at
org.apache.flink.runtime.jobmanager.JobManager$.getJobManagerRemoteReference(JobManager.scala:897)
at
org.apache.flink.runtime.client.JobClient$.createJobClient(JobClient.scala:151)
at
org.apache.flink.runtime.client.JobClient$.createJobClientFromConfig(JobClient.scala:142)
at
org.apache.flink.runtime.client.JobClient$.startActorSystemAndActor(JobClient.scala:125)
at
org.apache.flink.runtime.client.JobClient.startActorSystemAndActor(JobClient.scala)
at org.apache.flink.client.program.Client.run(Client.java:322)
... 15 more
Caused by: java.util.concurrent.TimeoutException: Futures timed out after
[10000 milliseconds]
at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:219)
at
scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:223)
at scala.concurrent.Await$$anonfun$result$1.apply(package.scala:107)
at
scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53)
at scala.concurrent.Await$.result(package.scala:107)
at
org.apache.flink.runtime.jobmanager.JobManager$.getJobManagerRemoteReference(JobManager.scala:893)
... 20 more
The exception above occurred while trying to run your command.
