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Re: Exception when run flink-storm-example


Oh, I thought the flink job could not be submitted. I don't know why the storm's example could not be submitted. Because I have never used it.

Maybe Till, Chesnay or Gary can help you. Ping them for you.

Thanks, vino.

jing <hanjingzuzu@xxxxxxx> 于2018年9月11日周二 上午10:26写道:
Hi vino,
My job mangaer log is as below. I can submit regular flink job to this jobmanger, it worked. But the flink-storm example doesn's work.
Thanks.
Hanjing
2018-09-11 18:22:48,937 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - --------------------------------------------------------------------------------
2018-09-11 18:22:48,938 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Starting StandaloneSessionClusterEntrypoint (Version: 1.6.0, Rev:ff472b4, Date:07.08.2018 @ 13:31:13 UTC)
2018-09-11 18:22:48,938 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  OS current user: hadoop3
2018-09-11 18:22:49,143 WARN  org.apache.hadoop.util.NativeCodeLoader                       - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
2018-09-11 18:22:49,186 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Current Hadoop/Kerberos user: hadoop3
2018-09-11 18:22:49,186 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  JVM: Java HotSpot(TM) 64-Bit Server VM - Oracle Corporation - 1.8/25.172-b11
2018-09-11 18:22:49,186 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Maximum heap size: 981 MiBytes
2018-09-11 18:22:49,186 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  JAVA_HOME: /usr/java/jdk1.8.0_172-amd64
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Hadoop version: 2.7.5
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  JVM Options:
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     -Xms1024m
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     -Xmx1024m
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     -Dlog.file=/home/hadoop3/zh/flink-1.6.0/log/flink-hadoop3-standalonesession-0-p-a36-72.log
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     -Dlog4j.configuration=file:/home/hadoop3/zh/flink-1.6.0/conf/log4j.properties
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     -Dlogback.configurationFile=file:/home/hadoop3/zh/flink-1.6.0/conf/logback.xml
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Program Arguments:
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     --configDir
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     /home/hadoop3/zh/flink-1.6.0/conf
2018-09-11 18:22:49,188 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     --executionMode
2018-09-11 18:22:49,189 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     cluster
2018-09-11 18:22:49,189 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Classpath: /home/hadoop3/zh/flink-1.6.0/lib/flink-python_2.11-1.6.0.jar:/home/hadoop3/zh/flink-1.6.0/lib/flink-shaded-hadoop2-uber-1.6.0.jar:/home/hadoop3/zh/flink-1.6.0/lib/log4j-1.2.17.jar:/home/hadoop3/zh/flink-1.6.0/lib/slf4j-log4j12-1.7.7.jar:/home/hadoop3/zh/flink-1.6.0/lib/flink-dist_2.11-1.6.0.jar:::
2018-09-11 18:22:49,189 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - --------------------------------------------------------------------------------
2018-09-11 18:22:49,189 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Registered UNIX signal handlers for [TERM, HUP, INT]
2018-09-11 18:22:49,197 INFO  org.apache.flink.configuration.GlobalConfiguration            - Loading configuration property: jobmanager.rpc.address, p-a36-72
2018-09-11 18:22:49,197 INFO  org.apache.flink.configuration.GlobalConfiguration            - Loading configuration property: jobmanager.rpc.port, 6123
2018-09-11 18:22:49,197 INFO  org.apache.flink.configuration.GlobalConfiguration            - Loading configuration property: jobmanager.heap.size, 1024m
2018-09-11 18:22:49,197 INFO  org.apache.flink.configuration.GlobalConfiguration            - Loading configuration property: taskmanager.heap.size, 10240m
2018-09-11 18:22:49,197 INFO  org.apache.flink.configuration.GlobalConfiguration            - Loading configuration property: taskmanager.numberOfTaskSlots, 16
2018-09-11 18:22:49,197 INFO  org.apache.flink.configuration.GlobalConfiguration            - Loading configuration property: parallelism.default, 2
2018-09-11 18:22:49,198 INFO  org.apache.flink.configuration.GlobalConfiguration            - Loading configuration property: rest.port, 8081
2018-09-11 18:22:49,207 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Starting StandaloneSessionClusterEntrypoint.
2018-09-11 18:22:49,207 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Install default filesystem.
2018-09-11 18:22:49,214 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Install security context.
2018-09-11 18:22:49,237 INFO  org.apache.flink.runtime.security.modules.HadoopModule        - Hadoop user set to hadoop3 (auth:SIMPLE)
2018-09-11 18:22:49,247 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Initializing cluster services.
2018-09-11 18:22:49,253 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Trying to start actor system at p-a36-72:6123
2018-09-11 18:22:49,576 INFO  akka.event.slf4j.Slf4jLogger                                  - Slf4jLogger started
2018-09-11 18:22:49,611 INFO  akka.remote.Remoting                                          - Starting remoting
2018-09-11 18:22:49,718 INFO  akka.remote.Remoting                                          - Remoting started; listening on addresses :[akka.tcp://flink@p-a36-72:6123]
2018-09-11 18:22:49,722 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Actor system started at akka.tcp://flink@p-a36-72:6123
2018-09-11 18:22:49,732 WARN  org.apache.flink.configuration.Configuration                  - Config uses deprecated configuration key 'jobmanager.rpc.address' instead of proper key 'rest.address'
2018-09-11 18:22:49,737 INFO  org.apache.flink.runtime.blob.BlobServer                      - Created BLOB server storage directory /tmp/blobStore-62c16996-0f38-43ae-9e40-ac4206329d93
2018-09-11 18:22:49,739 INFO  org.apache.flink.runtime.blob.BlobServer                      - Started BLOB server at 0.0.0.0:3706 - max concurrent requests: 50 - max backlog: 1000
2018-09-11 18:22:49,749 INFO  org.apache.flink.runtime.metrics.MetricRegistryImpl           - No metrics reporter configured, no metrics will be exposed/reported.
2018-09-11 18:22:49,751 INFO  org.apache.flink.runtime.dispatcher.FileArchivedExecutionGraphStore  - Initializing FileArchivedExecutionGraphStore: Storage directory /tmp/executionGraphStore-fecb7e34-9d33-4af2-a623-ee96d8572800, expiration time 3600000, maximum cache size 52428800 bytes.
2018-09-11 18:22:49,766 INFO  org.apache.flink.runtime.blob.TransientBlobCache              - Created BLOB cache storage directory /tmp/blobStore-c1d1946d-9e19-40b1-800d-42598900e253
2018-09-11 18:22:49,771 WARN  org.apache.flink.configuration.Configuration                  - Config uses deprecated configuration key 'jobmanager.rpc.address' instead of proper key 'rest.address'
2018-09-11 18:22:49,772 WARN  org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Upload directory /tmp/flink-web-c1cc0dde-0f4b-458e-84ba-841f405f3c78/flink-web-upload does not exist, or has been deleted externally. Previously uploaded files are no longer available.
2018-09-11 18:22:49,772 INFO  org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Created directory /tmp/flink-web-c1cc0dde-0f4b-458e-84ba-841f405f3c78/flink-web-upload for file uploads.
2018-09-11 18:22:49,774 INFO  org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Starting rest endpoint.
2018-09-11 18:22:49,905 INFO  org.apache.flink.runtime.webmonitor.WebMonitorUtils           - Determined location of main cluster component log file: /home/hadoop3/zh/flink-1.6.0/log/flink-hadoop3-standalonesession-0-p-a36-72.log
2018-09-11 18:22:49,905 INFO  org.apache.flink.runtime.webmonitor.WebMonitorUtils           - Determined location of main cluster component stdout file: /home/hadoop3/zh/flink-1.6.0/log/flink-hadoop3-standalonesession-0-p-a36-72.out
2018-09-11 18:22:49,997 INFO  org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Rest endpoint listening at p-a36-72:8081
2018-09-11 18:22:49,997 INFO  org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - http://p-a36-72:8081 was granted leadership with leaderSessionID=00000000-0000-0000-0000-000000000000
2018-09-11 18:22:49,997 INFO  org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Web frontend listening at http://p-a36-72:8081.
2018-09-11 18:22:50,004 INFO  org.apache.flink.runtime.rpc.akka.AkkaRpcService              - Starting RPC endpoint for org.apache.flink.runtime.resourcemanager.StandaloneResourceManager at akka://flink/user/resourcemanager .
2018-09-11 18:22:50,045 INFO  org.apache.flink.runtime.rpc.akka.AkkaRpcService              - Starting RPC endpoint for org.apache.flink.runtime.dispatcher.StandaloneDispatcher at akka://flink/user/dispatcher .
2018-09-11 18:22:50,055 INFO  org.apache.flink.runtime.resourcemanager.StandaloneResourceManager  - ResourceManager akka.tcp://flink@p-a36-72:6123/user/resourcemanager was granted leadership with fencing token 00000000000000000000000000000000
2018-09-11 18:22:50,055 INFO  org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager  - Starting the SlotManager.
2018-09-11 18:22:50,064 INFO  org.apache.flink.runtime.dispatcher.StandaloneDispatcher      - Dispatcher akka.tcp://flink@p-a36-72:6123/user/dispatcher was granted leadership with fencing token 00000000-0000-0000-0000-000000000000
2018-09-11 18:22:50,064 INFO  org.apache.flink.runtime.dispatcher.StandaloneDispatcher      - Recovering all persisted jobs.
2018-09-11 18:22:55,316 INFO  org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager  - Registering TaskManager c82e0b779fe62e3b3e6efda75c97cd18 under c19ad7a1b58afdfc79b0fbbf08d43653 at the SlotManager.

签名由 网易邮箱大师 定制
On 9/11/2018 10:14vino yang<yanghua1127@xxxxxxxxx> wrote:
Hi Hanjing,

Is your JobManager working properly? Can you share your JobManager log?

Thanks, vino.

jing <hanjingzuzu@xxxxxxx> 于2018年9月11日周二 上午10:06写道:

Hi vino

       I tried change "localhost" to the real IP. But still throw exception as below. JobManager configuration is as below.

 

Thanks.

Hanjing

------------------------------------

flink-conf.yaml:

jobmanager.rpc.address: 170.0.0.46

 

# The RPC port where the JobManager is reachable.

 

jobmanager.rpc.port: 6123

 

 

# The heap size for the JobManager JVM

 

jobmanager.heap.size: 1024m

 

 

# The heap size for the TaskManager JVM

 

taskmanager.heap.size: 10240m

 

 

# The number of task slots that each TaskManager offers. Each slot runs one parallel pipeline.

 

taskmanager.numberOfTaskSlots: 16

 

# The parallelism used for programs that did not specify and other parallelism.

 

parallelism.default: 2

 

 

Excepiton log:

 

Starting execution of program

 

------------------------------------------------------------

The program finished with the following exception:

 

org.apache.flink.client.program.ProgramInvocationException: The main method caused an error.

        at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:546)

        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:804)

        at org.apache.flink.client.cli.CliFrontend.runProgram(CliFrontend.java:280)

        at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:215)

        at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1044)

        at org.apache.flink.client.cli.CliFrontend.lambda$main$11(CliFrontend.java:1120)

        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:1836)

        at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)

        at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1120)

Caused by: java.lang.RuntimeException: Could not connect to Flink JobManager with address 170.0.0.46:6123

        at org.apache.flink.storm.api.FlinkClient.getTopologyJobId(FlinkClient.java:304)

        at org.apache.flink.storm.api.FlinkSubmitter.submitTopology(FlinkSubmitter.java:107)

        at org.apache.flink.storm.wordcount.WordCountRemoteBySubmitter.main(WordCountRemoteBySubmitter.java:75)

        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:498)

        at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:529)

        ... 12 more

Caused by: java.io.IOException: Actor at akka.tcp://flink@170.0.0.46:6123/user/jobmanager not reachable. Please make sure that the actor is running and its port is reachable.

        at org.apache.flink.runtime.akka.AkkaUtils$.getActorRef(AkkaUtils.scala:547)

        at org.apache.flink.runtime.akka.AkkaUtils.getActorRef(AkkaUtils.scala)

        at org.apache.flink.storm.api.FlinkClient.getJobManager(FlinkClient.java:339)

        at org.apache.flink.storm.api.FlinkClient.getTopologyJobId(FlinkClient.java:278)

        ... 19 more

Caused by: akka.actor.ActorNotFound: Actor not found for: ActorSelection[Anchor(akka.tcp://flink@170.0.0.46:6123/), Path(/user/jobmanager)]

        at akka.actor.ActorSelection$$anonfun$resolveOne$1.apply(ActorSelection.scala:68)

        at akka.actor.ActorSelection$$anonfun$resolveOne$1.apply(ActorSelection.scala:66)

        at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)

        at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55)

        at akka.dispatch.BatchingExecutor$Batch.run(BatchingExecutor.scala:73)

        at akka.dispatch.ExecutionContexts$sameThreadExecutionContext$.unbatchedExecute(Future.scala:76)

        at akka.dispatch.BatchingExecutor$class.execute(BatchingExecutor.scala:120)

        at akka.dispatch.ExecutionContexts$sameThreadExecutionContext$.execute(Future.scala:75)

        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)

 

On 9/10/2018 20:17vino yang<yanghua1127@xxxxxxxxx> wrote:
Hi Hanjing,

OK, I mean you change the "localhost" to the real IP.

Try it.

Thanks, vino. 

jing <hanjingzuzu@xxxxxxx> 于2018年9月10日周一 下午8:07写道:
Hi vino,
jonmanager rpc address value is setted by localhost.
hadoop3@p-a36-72 is the node host the jobmanager jvm.

Thanks.
Hanjing



jing
邮箱hanjingzuzu@xxxxxxx

签名由 网易邮箱大师 定制

On 09/10/2018 19:25, vino yang wrote:
Hi Hanjing,

I mean this configuration key.[1]

What's more, Is the "hadoop3@p-a36-72" also the node which host JobManager's jvm process?

Thanks, vino.


jing <hanjingzuzu@xxxxxxx> 于2018年9月10日周一 下午6:57写道:
Hi vino,
  I commit the job on the jvm code with the command below.
hadoop3@p-a36-72 flink-1.6.0]$ ./bin/flink run WordCount-StormTopology.jar input output

And I'm a new user, which configuation name should be set. All the configuations are the default setting now.

Thanks.
Hanjing

jing
邮箱hanjingzuzu@xxxxxxx

签名由 网易邮箱大师 定制

On 09/10/2018 15:49, vino yang wrote:
Hi Hanjing,

Did you perform a CLI commit on the JM node? Is the address bound to "localhost" in the Flink JM configuration?

Thanks, vino.

jing <hanjingzuzu@xxxxxxx> 于2018年9月10日周一 上午11:00写道:

Hello

       Im trying to run flink-storm-example on standalone clusters. But theres some exception I cant sovle. Could anyone please help me with trouble.

       flink-storm-example version: 1.60

       flink version: 1.60

       The log below is the Exception. My job manager status is as the picture.

       Iv tried to changed the IP address and port, but it doesntwork.

      

       Thanks a lot.

-------------------------------------------

[hadoop3@p-a36-72 flink-1.6.0]$ ./bin/flink run WordCount-StormTopology.jar input output

Starting execution of program


------------------------------------------------------------

 The program finished with the following exception:


org.apache.flink.client.program.ProgramInvocationException: The main method caused an error.

        at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:546)

        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:804)

        at org.apache.flink.client.cli.CliFrontend.runProgram(CliFrontend.java:280)

        at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:215)

        at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1044)

        at org.apache.flink.client.cli.CliFrontend.lambda$main$11(CliFrontend.java:1120)

        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:1120)

Caused by: java.lang.RuntimeException: Could not connect to Flink JobManager with address localhost:6123

        at org.apache.flink.storm.api.FlinkClient.getTopologyJobId(FlinkClient.java:304)

        at org.apache.flink.storm.api.FlinkSubmitter.submitTopology(FlinkSubmitter.java:107)

        at org.apache.flink.storm.wordcount.WordCountRemoteBySubmitter.main(WordCountRemoteBySubmitter.java:75)

        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:498)

        at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:529)

        ... 12 more

Caused by: java.io.IOException: Actor at akka.tcp://flink@localhost:6123/user/jobmanager not reachable. Please make sure that the actor is running and its port is reachable.

        at org.apache.flink.runtime.akka.AkkaUtils$.getActorRef(AkkaUtils.scala:547)

        at org.apache.flink.runtime.akka.AkkaUtils.getActorRef(AkkaUtils.scala)

        at org.apache.flink.storm.api.FlinkClient.getJobManager(FlinkClient.java:339)

        at org.apache.flink.storm.api.FlinkClient.getTopologyJobId(FlinkClient.java:278)

        ... 19 more

Caused by: akka.actor.ActorNotFound: Actor not found for: ActorSelection[Anchor(akka.tcp://flink@localhost:6123/), Path(/user/jobmanager)]

        at akka.actor.ActorSelection$$anonfun$resolveOne$1.apply(ActorSelection.scala:68)

        at akka.actor.ActorSelection$$anonfun$resolveOne$1.apply(ActorSelection.scala:66)

        at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)

        at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55)

        at akka.dispatch.BatchingExecutor$Batch.run(BatchingExecutor.scala:73)

        at akka.dispatch.ExecutionContexts$sameThreadExecutionContext$.unbatchedExecute(Future.scala:76)

        at akka.dispatch.BatchingExecutor$class.execute(BatchingExecutor.scala:120)

        at akka.dispatch.ExecutionContexts$sameThreadExecutionContext$.execute(Future.scala:75)

        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)

  


 

Hanjing