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org.apache.flink.runtime.rpc.exceptions.FencingTokenException:


Hi,

 

I am having issue in setting up cluster for Flink. I have 2 nodes for Job Manager and 2 nodes for Task Manager.

 

My configuration file looks like this.

 

jobmanager.rpc.port: 6123

jobmanager.heap.size: 2048m

taskmanager.heap.size: 2048m

taskmanager.numberOfTaskSlots: 64

parallelism.default: 1

rest.port: 8081

high-availability.jobmanager.port: 50010

high-availability: zookeeper

high-availability.storageDir: file:///sharedflink/state_dir/ha/

high-availability.zookeeper.quorum: host1:2181,host2:2181,host3:2181

high-availability.zookeeper.path.root: /flink

high-availability.cluster-id: /flick_ns

 

state.backend: rocksdb

state.checkpoints.dir: file:///sharedflink/state_dir/backend

state.savepoints.dir: file:///sharedflink/state_dir/savepoint

state.backend.incremental: false

state.backend.rocksdb.timer-service.factory: rocksdb

state.backend.local-recovery: false

 

But when I start services, I get this error message.

 

java.util.concurrent.CompletionException:

org.apache.flink.runtime.rpc.exceptions.FencingTokenException: Fencing token

mismatch: Ignoring message

RemoteFencedMessage(b00185a18ea3da17ebe39ac411a84f3a,

RemoteRpcInvocation(registerTaskExecutor(String, ResourceID, int, HardwareDescription, Time))) because the fencing token b00185a18ea3da17ebe39ac411a84f3a did not match the expected fencing token bce1729df0a2ab8a7ea0426ba9994482.

        at

java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292)

 

 

But when I run JM and TM in single box, it is working fine.

 

Please help to resolve this issue ASAP as I am running out of option and time.

 

-Samir Chauhan

 

 


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