Hi Till, Attached are the logs. My architecture is like this.
3 Zookeeper (Confluent Open Source) 2 Job Managers 2 Task Managers. All running on different Linux VM. My I ask what should be value of high-availability.zookeeper.path.root: /flink as it is running in different server. Also /sharedflink is storage shared across JM and TM. Does it require to be available in Zookeeper server also? Is there any special instruction for me which I should take care? Samir Chauhan From: Till Rohrmann [mailto:trohrm...@apache.org] Sent: Friday, October 05, 2018 11:09 PM To: Samir Tusharbhai Chauhan <samir.tusharbhai.chau...@prudential.com.sg> Cc: user <user@flink.apache.org> Subject: Re: org.apache.flink.runtime.rpc.exceptions.FencingTokenException: Hi Samir, could you share the logs of the two JMs and the log where you saw the FencingTokenException with us? It looks to me as if the TM had an outdated fencing token (an outdated leader session id) with which it contacted the ResourceManager. This can happen and the TM should try to reconnect to the RM once it learns about the new leader session id via ZooKeeper. You could, for example check in ZooKeeper that it contains the valid leader information. Cheers, Till On Fri, Oct 5, 2018 at 9:58 AM Samir Tusharbhai Chauhan <samir.tusharbhai.chau...@prudential.com.sg<mailto:samir.tusharbhai.chau...@prudential.com.sg>> wrote: [cid:image001.gif@01D45CB1.46C88460] 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 There's a reason we support Fair Dealing. YOU. This email and any files transmitted with it or attached to it (the [Email]) may contain confidential, proprietary or legally privileged information and is intended solely for the use of the individual or entity to whom it is addressed. If you are not the intended recipient of the Email, you must not, directly or indirectly, copy, use, print, distribute, disclose to any other party or take any action in reliance on any part of the Email. Please notify the system manager or sender of the error and delete all copies of the Email immediately. No statement in the Email should be construed as investment advice being given within or outside Singapore. 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