Is there a way to find out what is it trying to connect to? I am running my
spark client from within a docker container so I opened up various ports as
per
http://stackoverflow.com/questions/27729010/how-to-configure-apache-spark-random-worker-ports-for-tight-firewalls
after adding all the properties in conf/spark-defaults.conf on my spark
cluster's installation.
In stdout of the executor I can see the following debug
17/03/02 12:01:17 DEBUG UserGroupInformation: PrivilegedActionException
as:root (auth:SIMPLE) cause:org.apache.spark.rpc.RpcTimeoutException:
Cannot receive any reply in 120 seconds. This timeout is controlled by
spark.rpc.askTimeout
What is it trying to connect to?
17/03/02 11:46:47 INFO SecurityManager: Changing modify acls groups to:
17/03/02 11:46:47 INFO SecurityManager: SecurityManager: authentication
disabled; ui acls disabled; users with view permissions: Set(ec2-user, root);
groups with view permissions: Set(); users with modify permissions:
Set(ec2-user, root); groups with modify permissions: Set()
java.lang.IllegalArgumentException: requirement failed: TransportClient has not
yet been set.
at scala.Predef$.require(Predef.scala:224)
at
org.apache.spark.rpc.netty.RpcOutboxMessage.onTimeout(Outbox.scala:70)
at
org.apache.spark.rpc.netty.NettyRpcEnv$$anonfun$ask$1.applyOrElse(NettyRpcEnv.scala:232)
at
org.apache.spark.rpc.netty.NettyRpcEnv$$anonfun$ask$1.applyOrElse(NettyRpcEnv.scala:231)
at scala.concurrent.Future$$anonfun$onFailure$1.apply(Future.scala:138)
at scala.concurrent.Future$$anonfun$onFailure$1.apply(Future.scala:136)
at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)
at
org.spark_project.guava.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:293)
at
scala.concurrent.impl.ExecutionContextImpl$$anon$1.execute(ExecutionContextImpl.scala:136)
at
scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:40)
at
scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:248)
at scala.concurrent.Promise$class.tryFailure(Promise.scala:112)
at
scala.concurrent.impl.Promise$DefaultPromise.tryFailure(Promise.scala:153)
at
org.apache.spark.rpc.netty.NettyRpcEnv.org$apache$spark$rpc$netty$NettyRpcEnv$$onFailure$1(NettyRpcEnv.scala:205)
at
org.apache.spark.rpc.netty.NettyRpcEnv$$anon$1.run(NettyRpcEnv.scala:239)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Exception in thread "main" java.lang.reflect.UndeclaredThrowableException
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1713)
at
org.apache.spark.deploy.SparkHadoopUtil.runAsSparkUser(SparkHadoopUtil.scala:66)
at
org.apache.spark.executor.CoarseGrainedExecutorBackend$.run(CoarseGrainedExecutorBackend.scala:188)
at
org.apache.spark.executor.CoarseGrainedExecutorBackend$.main(CoarseGrainedExecutorBackend.scala:284)
at
org.apache.spark.executor.CoarseGrainedExecutorBackend.main(CoarseGrainedExecutorBackend.scala)
Caused by: org.apache.spark.rpc.RpcTimeoutException: Cannot receive any reply
in 120 seconds. This timeout is controlled by spark.rpc.askTimeout
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