It is possible but you need to make sure that all ports a configured
such that the 2 clusters don't see each other.
On 13/07/2021 13:21, Farouk wrote:
Hi
For e2e testing, we run tests with testcontainers. We have several
jobs and we want to upgrade them one by one
Do you know if it is possible in Docker to run one JM + one TM for
version 1 and version 2 at the same time?
It looks like either the taskmanager registration is failing for the
second cluster, either there is a classcastexception
ERROR org.apache.flink.runtime.taskexecutor.TaskExecutor -
Registration at ResourceManager failed due to an error
java.util.concurrent.CompletionException:
java.lang.ClassCastException: class
org.apache.flink.util.SerializedValue cannot be cast to class
org.apache.flink.runtime.registration.RegistrationResponse
(org.apache.flink.util.SerializedValue and
org.apache.flink.runtime.registration.RegistrationResponse are in
unnamed module of loader 'app')
at
java.base/java.util.concurrent.CompletableFuture.encodeThrowable(Unknown
Source)
at
java.base/java.util.concurrent.CompletableFuture.completeThrowable(Unknown
Source)
at
java.base/java.util.concurrent.CompletableFuture$UniAccept.tryFire(Unknown
Source)
at
java.base/java.util.concurrent.CompletableFuture$Completion.run(Unknown
Source)
at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40)
at
akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(ForkJoinExecutorConfigurator.scala:44)
at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at
akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at
akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.lang.ClassCastException: class
org.apache.flink.util.SerializedValue cannot be cast to class
org.apache.flink.runtime.registration.RegistrationResponse
(org.apache.flink.util.SerializedValue and
org.apache.flink.runtime.registration.RegistrationResponse are in
unnamed module of loader 'app')
... 8 common frames omitted
Thanks
Farouk
