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https://issues.apache.org/jira/browse/FLINK-20798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17256254#comment-17256254
]
Yang Wang commented on FLINK-20798:
-----------------------------------
Could you share the complete logs for JobManager? From the pieces of logs you
provided, it seems that the rest endpoint is granted leadership successfully.
> Service temporarily unavailable due to an ongoing leader election. Please
> refresh.
> ----------------------------------------------------------------------------------
>
> Key: FLINK-20798
> URL: https://issues.apache.org/jira/browse/FLINK-20798
> Project: Flink
> Issue Type: Bug
> Components: Deployment / Kubernetes
> Affects Versions: 1.12.0
> Environment: FLINK 1.12.0
> Reporter: hayden zhou
> Priority: Major
>
> 我这边 部署 flink 到 k8s 使用 PVC 作为 high avalibility storagedir ， 我看jobmanager
> 的日志，选举成功了。但是 web 一直显示选举进行中。
>
> 下面是 jobmanager 的日志
> ```
> 2020-12-29T06:45:54.177850394Z 2020-12-29 14:45:54,177 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Leader election started
> 2020-12-29T06:45:54.177855303Z 2020-12-29 14:45:54,177 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Attempting to acquire leader lease 'ConfigMapLock: default -
> mta-flink-resourcemanager-leader (6f6479c6-86cc-4d62-84f9-37ff968bd0e5)'...
> 2020-12-29T06:45:54.178668055Z 2020-12-29 14:45:54,178 DEBUG
> io.fabric8.kubernetes.client.dsl.internal.WatchConnectionManager [] -
> WebSocket successfully opened
> 2020-12-29T06:45:54.178895963Z 2020-12-29 14:45:54,178 INFO
> org.apache.flink.runtime.leaderretrieval.DefaultLeaderRetrievalService [] -
> Starting DefaultLeaderRetrievalService with
> KubernetesLeaderRetrievalDriver\{configMapName='mta-flink-resourcemanager-leader'}.
> 2020-12-29T06:45:54.179327491Z 2020-12-29 14:45:54,179 DEBUG
> io.fabric8.kubernetes.client.dsl.internal.WatchConnectionManager [] -
> Connecting websocket ...
> io.fabric8.kubernetes.client.dsl.internal.WatchConnectionManager@6d303498
> 2020-12-29T06:45:54.230081993Z 2020-12-29 14:45:54,229 DEBUG
> io.fabric8.kubernetes.client.dsl.internal.WatchConnectionManager [] -
> WebSocket successfully opened
> 2020-12-29T06:45:54.230202329Z 2020-12-29 14:45:54,230 INFO
> org.apache.flink.runtime.leaderretrieval.DefaultLeaderRetrievalService [] -
> Starting DefaultLeaderRetrievalService with
> KubernetesLeaderRetrievalDriver\{configMapName='mta-flink-dispatcher-leader'}.
> 2020-12-29T06:45:54.230219281Z 2020-12-29 14:45:54,229 DEBUG
> io.fabric8.kubernetes.client.dsl.internal.WatchConnectionManager [] -
> WebSocket successfully opened
> 2020-12-29T06:45:54.230353912Z 2020-12-29 14:45:54,230 INFO
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService [] -
> Starting DefaultLeaderElectionService with
> KubernetesLeaderElectionDriver\{configMapName='mta-flink-resourcemanager-leader'}.
> 2020-12-29T06:45:54.237004177Z 2020-12-29 14:45:54,236 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Leader changed from null to 6f6479c6-86cc-4d62-84f9-37ff968bd0e5
> 2020-12-29T06:45:54.237024655Z 2020-12-29 14:45:54,236 INFO
> org.apache.flink.kubernetes.kubeclient.resources.KubernetesLeaderElector [] -
> New leader elected 6f6479c6-86cc-4d62-84f9-37ff968bd0e5 for
> mta-flink-restserver-leader.
> 2020-12-29T06:45:54.237027811Z 2020-12-29 14:45:54,236 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Successfully Acquired leader lease 'ConfigMapLock: default -
> mta-flink-restserver-leader (6f6479c6-86cc-4d62-84f9-37ff968bd0e5)'
> 2020-12-29T06:45:54.237297376Z 2020-12-29 14:45:54,237 DEBUG
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService [] -
> Grant leadership to contender http://mta-flink-jobmanager:8081 with session
> ID 9587e13f-322f-4cd5-9fff-b4941462be0f.
> 2020-12-29T06:45:54.237353551Z 2020-12-29 14:45:54,237 INFO
> org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint [] -
> http://mta-flink-jobmanager:8081 was granted leadership with
> leaderSessionID=9587e13f-322f-4cd5-9fff-b4941462be0f
> 2020-12-29T06:45:54.237440354Z 2020-12-29 14:45:54,237 DEBUG
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService [] -
> Confirm leader session ID 9587e13f-322f-4cd5-9fff-b4941462be0f for leader
> http://mta-flink-jobmanager:8081.
> 2020-12-29T06:45:54.254555127Z 2020-12-29 14:45:54,254 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Leader changed from null to 6f6479c6-86cc-4d62-84f9-37ff968bd0e5
> 2020-12-29T06:45:54.254588299Z 2020-12-29 14:45:54,254 INFO
> org.apache.flink.kubernetes.kubeclient.resources.KubernetesLeaderElector [] -
> New leader elected 6f6479c6-86cc-4d62-84f9-37ff968bd0e5 for
> mta-flink-resourcemanager-leader.
> 2020-12-29T06:45:54.254628053Z 2020-12-29 14:45:54,254 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Successfully Acquired leader lease 'ConfigMapLock: default -
> mta-flink-resourcemanager-leader (6f6479c6-86cc-4d62-84f9-37ff968bd0e5)'
> 2020-12-29T06:45:54.254871569Z 2020-12-29 14:45:54,254 DEBUG
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService [] -
> Grant leadership to contender LeaderContender: StandaloneResourceManager with
> session ID b1730dc6-0f94-49f4-b519-56917f3027b7.
> 2020-12-29T06:45:54.256608291Z 2020-12-29 14:45:54,256 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Attempting to renew leader lease 'ConfigMapLock: default -
> mta-flink-resourcemanager-leader (6f6479c6-86cc-4d62-84f9-37ff968bd0e5)'...
> 2020-12-29T06:45:54.259155793Z 2020-12-29 14:45:54,258 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Leader changed from null to 6f6479c6-86cc-4d62-84f9-37ff968bd0e5
> 2020-12-29T06:45:54.259176091Z 2020-12-29 14:45:54,258 INFO
> org.apache.flink.kubernetes.kubeclient.resources.KubernetesLeaderElector [] -
> New leader elected 6f6479c6-86cc-4d62-84f9-37ff968bd0e5 for
> mta-flink-dispatcher-leader.
> 2020-12-29T06:45:54.25918096Z 2020-12-29 14:45:54,259 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Successfully Acquired leader lease 'ConfigMapLock: default -
> mta-flink-dispatcher-leader (6f6479c6-86cc-4d62-84f9-37ff968bd0e5)'
> 2020-12-29T06:45:54.259362149Z 2020-12-29 14:45:54,259 DEBUG
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService [] -
> Grant leadership to contender LeaderContender: DefaultDispatcherRunner with
> session ID fbbaa883-69f6-43df-9ca0-c646bc1baad1.
> 2020-12-29T06:45:54.260301799Z 2020-12-29 14:45:54,260 DEBUG
> org.apache.flink.runtime.dispatcher.runner.DefaultDispatcherRunner [] -
> Create new DispatcherLeaderProcess with leader session id
> fbbaa883-69f6-43df-9ca0-c646bc1baad1.
> 2020-12-29T06:45:54.266724597Z 2020-12-29 14:45:54,266 INFO
> org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess []
> - Start SessionDispatcherLeaderProcess.
> 2020-12-29T06:45:54.267718418Z 2020-12-29 14:45:54,267 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Attempting to renew leader lease 'ConfigMapLock: default -
> mta-flink-dispatcher-leader (6f6479c6-86cc-4d62-84f9-37ff968bd0e5)'...
> 2020-12-29T06:45:54.26786349Z 2020-12-29 14:45:54,267 INFO
> org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess []
> - Recover all persisted job graphs.
> 2020-12-29T06:45:54.267976912Z 2020-12-29 14:45:54,267 DEBUG
> org.apache.flink.runtime.jobmanager.DefaultJobGraphStore [] - Retrieving all
> stored job ids from
> KubernetesStateHandleStore\{configMapName='mta-flink-dispatcher-leader'}.
> 2020-12-29T06:45:54.277681598Z 2020-12-29 14:45:54,277 INFO
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> ResourceManager
> akka.tcp://flink@mta-flink-jobmanager:6123/user/rpc/resourcemanager_0 was
> granted leadership with fencing token b51956917f3027b7b1730dc60f9449f4
> 2020-12-29T06:45:54.280411279Z 2020-12-29 14:45:54,280 INFO
> org.apache.flink.runtime.resourcemanager.slotmanager.SlotManagerImpl [] -
> Starting the SlotManager.
> 2020-12-29T06:45:54.281367931Z 2020-12-29 14:45:54,281 DEBUG
> org.apache.flink.kubernetes.highavailability.KubernetesLeaderElectionDriver
> [] - Successfully wrote leader information:
> Leader=http://mta-flink-jobmanager:8081, session
> ID=9587e13f-322f-4cd5-9fff-b4941462be0f.
> 2020-12-29T06:45:54.281528772Z 2020-12-29 14:45:54,281 DEBUG
> io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector [] -
> Attempting to renew leader lease 'ConfigMapLock: default -
> mta-flink-restserver-leader (6f6479c6-86cc-4d62-84f9-37ff968bd0e5)'...
> 2020-12-29T06:45:54.286191344Z 2020-12-29 14:45:54,286 DEBUG
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> Trigger heartbeat request.
> 2020-12-29T06:45:54.286304807Z 2020-12-29 14:45:54,286 DEBUG
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> Trigger heartbeat request.
> 2020-12-29T06:45:54.286438227Z 2020-12-29 14:45:54,286 DEBUG
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService [] -
> Confirm leader session ID b1730dc6-0f94-49f4-b519-56917f3027b7 for leader
> akka.tcp://flink@mta-flink-jobmanager:6123/user/rpc/resourcemanager_0.
> 2020-12-29T06:45:54.309361096Z 2020-12-29 14:45:54,309 DEBUG
> org.apache.flink.kubernetes.highavailability.KubernetesLeaderElectionDriver
> [] - Successfully wrote leader information:
> Leader=akka.tcp://flink@mta-flink-jobmanager:6123/user/rpc/resourcemanager_0,
> session ID=b1730dc6-0f94-49f4-b519-56917f3027b7.
> 2020-12-29T06:45:54.320673232Z 2020-12-29 14:45:54,320 INFO
> org.apache.flink.runtime.jobmanager.DefaultJobGraphStore [] - Retrieved job
> ids [] from
> KubernetesStateHandleStore\{configMapName='mta-flink-dispatcher-leader'}
> 2020-12-29T06:45:54.3206989Z 2020-12-29 14:45:54,320 INFO
> org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess []
> - Successfully recovered 0 persisted job graphs.
> 2020-12-29T06:45:54.324829616Z 2020-12-29 14:45:54,324 DEBUG
> org.apache.flink.runtime.rpc.akka.SupervisorActor [] - Starting
> FencedAkkaRpcActor with name dispatcher_1.
> 2020-12-29T06:45:54.325343659Z 2020-12-29 14:45:54,325 INFO
> org.apache.flink.runtime.rpc.akka.AkkaRpcService [] - Starting RPC endpoint
> for org.apache.flink.runtime.dispatcher.StandaloneDispatcher at
> akka://flink/user/rpc/dispatcher_1 .
> 2020-12-29T06:45:54.33778039Z 2020-12-29 14:45:54,337 DEBUG
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService [] -
> Confirm leader session ID fbbaa883-69f6-43df-9ca0-c646bc1baad1 for leader
> akka.tcp://flink@mta-flink-jobmanager:6123/user/rpc/dispatcher_1.
> 2020-12-29T06:45:54.36249763Z 2020-12-29 14:45:54,362 DEBUG
> org.apache.flink.kubernetes.highavailability.KubernetesLeaderElectionDriver
> [] - Successfully wrote leader information:
> Leader=akka.tcp://flink@mta-flink-jobmanager:6123/user/rpc/dispatcher_1,
> session ID=fbbaa883-69f6-43df-9ca0-c646bc1baad1.
> 2020-12-29T06:46:04.298366262Z 2020-12-29 14:46:04,297 DEBUG
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> Trigger heartbeat request.
> 2020-12-29T06:46:04.298442695Z 2020-12-29 14:46:04,298 DEBUG
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> Trigger heartbeat request.
> 2020-12-29T06:46:14.318174464Z 2020-12-29 14:46:14,317 DEBUG
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> Trigger heartbeat request.
> 2020-12-29T06:46:14.318256849Z 2020-12-29 14:46:14,318 DEBUG
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> Trigger heartbeat request.
> 2020-12-29T06:46:24.337694477Z 2020-12-29 14:46:24,337 DEBUG
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> Trigger heartbeat request.
> 2020-12-29T06:46:24.337816516Z 2020-12-29 14:46:24,337 DEBUG
> org.apache.flink.runtime.resourcemanager.StandaloneResourceManager [] -
> Trigger heartbeat request.
> 2020-12-29T06:46:26.044624193Z 2020-12-29 14:46:26,044 DEBUG
> org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBuf [] -
> -Dorg.apache.flink.shaded.netty4.io.netty.buffer.checkAccessible: true
> ```
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