Flink CLI cannot submit job to Flink on Mesos
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Flink CLI cannot submit job to Flink on Mesos
 
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Hello,
We´re having lot of issues while trying to submit a job remotely using the Flink CLI command line tool. We have tried different configurations but in all of them we get errors from AKKA while trying to connect. I will try to summarise the configurations
we´ve tried.
- Flink 1.3.0 deployed within a docker container on a Mesos cluster (using Marathon)
- This flink has the property jobmanager.rpc.address as a hostname (i.e. kind of ip-XXXXXXXXX.eu.west-1.compute.internal)
- Use the same version for Flink Client remotely (e.g. in my laptop).
When I try to submit the job using the command flink run -m myHostName:myPort (the same in jobmanager.rpc.address and jobmanager.rpc.port) after some time waiting I get the trace at the end of this email. In the flink side we get this error from
AKKA:
Association with remote system [<a href="akka.tcp://flink@10.203.23.24:24469" class="">akka.tcp://flink@10.203.23.24:24469] has failed, address is now gated for [5000] ms. Reason: [Association failed with [<a href="akka.tcp://flink@10.203.23.24:24469" class="">akka.tcp://flink@10.203.23.24:24469]]
Caused by: [Connection refused: /10.203.23.24:24469]
After reading a bit, it seems there´re some problems related to akka resolving hostnames to ips, so we decided to startup the same flink but changing jobmanager.rpc.address to have the direct ip (i.e. kind of XX.XXX.XX.XX). In this case I´m getting
same trace (at the end of the email) from the client side and this one from the Flink server:
Discard message LeaderSessionMessage(00000000-0000-0000-0000-000000000000,SubmitJob(JobGraph(jobId: b25d5c5ced962632abc5ee9ef867792e),DETACHED)) because the expected leader session ID b4f53899-5d70-467e-8e9d-e56eeb60b6e3
did not equal the received leader session ID 00000000-0000-0000-0000-000000000000.
We have tried some other stuff but without success… any clue that could help us?
Thanks in advance!
org.apache.flink.client.program.ProgramInvocationException: The program execution failed: JobManager did not respond within 60000 milliseconds
at org.apache.flink.client.program.ClusterClient.runDetached(ClusterClient.java:454)
at org.apache.flink.client.program.StandaloneClusterClient.submitJob(StandaloneClusterClient.java:99)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:400)
at org.apache.flink.client.program.DetachedEnvironment.finalizeExecute(DetachedEnvironment.java:76)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:345)
at org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:831)
at org.apache.flink.client.CliFrontend.run(CliFrontend.java:256)
at org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1073)
at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1120)
at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1117)
at org.apache.flink.runtime.security.HadoopSecurityContext$1.run(HadoopSecurityContext.java:43)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:40)
at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1116)
Caused by: org.apache.flink.runtime.client.JobTimeoutException: JobManager did not respond within 60000 milliseconds
at org.apache.flink.runtime.client.JobClient.submitJobDetached(JobClient.java:426)
at org.apache.flink.client.program.ClusterClient.runDetached(ClusterClient.java:451)
... 15 more
Caused by: java.util.concurrent.TimeoutException: Futures timed out after [60000 milliseconds]
at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:219)
at scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:223)
at scala.concurrent.Await$$anonfun$result$1.apply(package.scala:190)
at scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53)
at scala.concurrent.Await$.result(package.scala:190)
at scala.concurrent.Await.result(package.scala)
at org.apache.flink.runtime.client.JobClient.submitJobDetached(JobClient.java:423)
... 16 more
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Re: Flink CLI cannot submit job to Flink on Mesos
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Hi Francisco, have you set the right high-availability configuration options in your client configuration as described here [1]? If not, then Flink is not able to find the correct JobManager because it retrieves the address as well as a fencing token (called leader session id) from the HA store (ZooKeeper). Cheers, Till On Thu, Jul 27, 2017 at 6:20 PM, Francisco Gonzalez Barea <[hidden email]> wrote:
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Re: Flink CLI cannot submit job to Flink on Mesos
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Hi Till,
Thanks for your answer.
We have reviewed the configuration and everything seems fine in our side… But we´re still getting the message:
“Discard message LeaderSessionMessage(00000000-0000-0000-0000-000000000000,SubmitJob(JobGraph(jobId: 041b67c7ef765c2f61bd69c2b9dacbce),DETACHED)) because the expected leader session ID 9e9e4e4b-1236-4140-9156-fd207929aab5 did not equal the received
leader session ID 00000000-0000-0000-0000-000000000000.”
The point is we have another configuration using Flink 1.1.3 on YARN, and it´s working cool. And if I take a look at the configuration values, the main difference I can see (apart from mesos/yarn config parameters) is that in yarn the jobmanager.rpc.address
is an ip and on mesos it´s a hostname. Might this be related?
Thanks in advance.
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Re: Flink CLI cannot submit job to Flink on Mesos
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In reply to this post by Till Rohrmann
Hi again,
On the other hand, we are running the following flink CLI command:
./flink run -d -m ${jobmanager.rpc.address}:${jobmanager.rpc.port} ${our-program-jar} ${our-program-params}
Maybe is the command what we are using wrongly?
Thank you
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Re: Flink CLI cannot submit job to Flink on Mesos
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Hi Francisco!
Can you drop the explicit address of the jobmanager? The client should pick up that address automatically from ZooKeeper as well (together with the HA leader session ID). Please check if you have the ZooKeeper HA config entries in the config used by the CLI. Stephan On Mon, Jul 31, 2017 at 6:27 PM, Francisco Gonzalez Barea <[hidden email]> wrote:
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Re: Flink CLI cannot submit job to Flink on Mesos
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In reply to this post by Francisco Gonzalez
Hi Stephan,
So, do you mean to remove the “-m” param from the flink CLI call? And on the other hand, that I should add the Zookeeper configuration in both sides, the remote flink and locally in the flink CLI config, right?
Regards
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Re: Flink CLI cannot submit job to Flink on Mesos
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Hey! It´s working now!!
I will do a summary for those who might have the same problem in the future:
- Flink 1.3.0 dockerized on Mesos:
- Add the HA configuration values in your flink app: https://ci.apache.org/projects/flink/flink-docs-release-1.3/setup/jobmanager_high_availability.html#config-file-flink-confyaml
- Add the Mesos HA configuration values in your flink app: https://ci.apache.org/projects/flink/flink-docs-release-1.3/setup/mesos.html#high-availability
- Flink CLI 1.3.0 on my local machine (make sure you
use the same version!!)
- Add same HA configuration values in your flink CLI configuration: https://ci.apache.org/projects/flink/flink-docs-release-1.3/setup/jobmanager_high_availability.html#config-file-flink-confyaml
With those steps, my ./fink run command it´s working like a charm.
Thank you very much guys!
Regards,
Francisco
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Re: Flink CLI cannot submit job to Flink on Mesos
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Cool, good to hear!
It is one of those "it a feature, not a bug" situations ;-) Flink's HA mode supports multiple masters, so the CLI needs to have a way to find which master is "leader" (active, versus the passive masters on standby). That discovery goes through ZooKeeper as well (which is the ground truth for who is the leader). Stephan On Tue, Aug 1, 2017 at 11:36 AM, Francisco Gonzalez Barea <[hidden email]> wrote:
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