hello i am deploying a flink application cluster with kubernetes HA mode, but i
am facing this recurrent problem and i didn't know how to solve it.
Any help would be appreciated.
this of the jobManager:
{"@timestamp":"2021-08-27T14:19:42.447+02:00","@version":"1","message":"Exception
occurred while renewing lock: Unable to update
ConfigMapLock","logger_name":"io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector","thread_name":"pool-4092-thread-1","level":"DEBUG","level_value":10000,"stack_trace":"io.fabric8.kubernetes.client.extended.leaderelection.resourcelock.LockException:
Unable to update ConfigMapLock\n\tat
io.fabric8.kubernetes.client.extended.leaderelection.resourcelock.ConfigMapLock.update(ConfigMapLock.java:108)\n\tat
io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector.tryAcquireOrRenew(LeaderElector.java:156)\n\tat
io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector.renew(LeaderElector.java:120)\n\tat
io.fabric8.kubernetes.client.extended.leaderelection.LeaderElector.lambda$null$1(LeaderElector.java:104)\n\tat
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)\n\tat
java.util.concurrent.FutureTask.run(FutureT
ask.java:266)\n\tat
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)\n\tat
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)\n\tat
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat
java.lang.Thread.run(Thread.java:748)\nCaused by:
io.fabric8.kubernetes.client.KubernetesClientException: Failure executing: PUT
at:
https://172.31.64.1/api/v1/namespaces/flink-pushavoo-flink-rec/configmaps/elifibre-00000000000000000000000000000000-jobmanager-leader.
Message: Operation cannot be fulfilled on configmaps
\"elifibre-00000000000000000000000000000000-jobmanager-leader\": the object has
been modified; please apply your changes to the latest version and try again.
Received status: Status(apiVersion=v1, code=409,
details=StatusDetails(causes=[], gro
up=null, kind=configmaps,
name=elifibre-00000000000000000000000000000000-jobmanager-leader,
retryAfterSeconds=null, uid=null, additionalProperties={}), kind=Status,
message=Operation cannot be fulfilled on configmaps
\"elifibre-00000000000000000000000000000000-jobmanager-leader\": the object has
been modified; please apply your changes to the latest version and try again,
metadata=ListMeta(_continue=null, remainingItemCount=null,
resourceVersion=null, selfLink=null, additionalProperties={}), reason=Conflict,
status=Failure, additionalProperties={}).\n\tat
io.fabric8.kubernetes.client.dsl.base.OperationSupport.requestFailure(OperationSupport.java:568)\n\tat
io.fabric8.kubernetes.client.dsl.base.OperationSupport.assertResponseCode(OperationSupport.java:507)\n\tat
io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:471)\n\tat
io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:430)\n\tat
io.fabric8.kubernet
es.client.dsl.base.OperationSupport.handleReplace(OperationSupport.java:289)\n\tat
io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleReplace(OperationSupport.java:269)\n\tat
io.fabric8.kubernetes.client.dsl.base.BaseOperation.handleReplace(BaseOperation.java:820)\n\tat
io.fabric8.kubernetes.client.dsl.base.HasMetadataOperation.lambda$replace$1(HasMetadataOperation.java:86)\n\tat
io.fabric8.kubernetes.api.model.DoneableConfigMap.done(DoneableConfigMap.java:26)\n\tat
io.fabric8.kubernetes.api.model.DoneableConfigMap.done(DoneableConfigMap.java:5)\n\tat
io.fabric8.kubernetes.client.dsl.base.HasMetadataOperation.replace(HasMetadataOperation.java:92)\n\tat
io.fabric8.kubernetes.client.dsl.base.HasMetadataOperation.replace(HasMetadataOperation.java:36)\n\tat
io.fabric8.kubernetes.client.extended.leaderelection.resourcelock.ConfigMapLock.update(ConfigMapLock.java:106)\n\t...
10 common frames omitted\n"}
