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I have three physical nodes with docker installed on each of them. I configured Mesos,Marathon,Hadoop,Flink and Zookeeper on them. I can see all UI in my browser and run a Flink application in Marathon.

The problem is that Mesos UI shows me that Flink is running, but when I click on SandBox, I see this error:

Failed to connect to agent '16657705-0573-410a-aef3-e2bb4119092c-S0' on '//50592e835da1:5051/slave(1)/state?jsonp=JSON_CALLBACK'. Potential reasons:

The agent is not accessible

The agent timed out or went offline

I know it is related to Mesos configuration, but I have no idea what is wrong.

I wrote MESOS_HOSTNAME in /etc/hosts, but it did not work. Also, I sat MESOS_HOSTNAME=IP in mesos-agent-env.sh, but it did not work.

Would you please guide me how I can solve the issue?

Any help would be really appreciated.

M_Gh
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1 Answers1

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Problem solved. According to the Apache Mesos site, The hostname the agent node should report, or that the master should advertise in ZooKeeper.. I forgot to use --hostname=SlaveIP in slave command; after using it, every thing ran without any errors.

 /home/mesos-1.7.2/build/bin/mesos-slave.sh
  --master=10.32.0.2:5050,10.32.0.3:5050 --hostname=10.32.0.4
  --work_dir=/var/run/mesos --log_dir=/var/log/mesos 
  --systemd_enable_support=false
M_Gh
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