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From Till Rohrmann <trohrm...@apache.org>
Subject Re: Error incompatible types for field cpuCores when doing Flink Upgrade
Date Sat, 13 Jun 2020 11:44:17 GMT
Hi Claude

Unfortunately, the Flink community introduced an incompatible change to
ResourceSpec with FLINK-14594 [1] in the Flink 1.10.0 release. This
prevents Flink from recovering JobGraphs which were created by previous
versions. Hence, what you need to do is to start your Flink 1.10.0 cluster
with a clean ZooKeeper namespace. Either you clean up Zk or you define a
different ZooKeeper cluster id via `high-availability.cluster-id` in your
flink-conf.yaml.

If you want to resume from your previous jobs, then I would suggest to stop
and take a savepoint for every job and then to resume them on the Flink
1.10.0 cluster by resubmitting them.

Sorry for the inconveniences.

[1] https://issues.apache.org/jira/browse/FLINK-14594

Cheers,
Till

On Thu, Jun 11, 2020 at 5:27 PM Claude Murad <claudemurad1@gmail.com> wrote:

> Hello,
>
> I upgraded Flink from 1.7 to 1.10 in Kubernetes.  When the job manager is
> launched, the following exception occurs.  If I do some cleanup in
> zookeeper and re-start, it will work.  Any ideas about this error and what
> needs to be done without having to do cleanup in zookeeper?
>
> ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -
> Fatal error occurred in the cluster entrypoint.
> java.util.concurrent.CompletionException:
> org.apache.flink.util.FlinkRuntimeException: Could not recover job with job
> id bfb2a937257727e080ca85933586f38b.
> at
> java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273)
> at
> java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280)
> at
> java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1606)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.flink.util.FlinkRuntimeException: Could not recover
> job with job id bfb2a937257727e080ca85933586f38b.
> at
> org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess.recoverJob(SessionDispatcherLeaderProcess.java:149)
> at
> org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess.recoverJobs(SessionDispatcherLeaderProcess.java:125)
> at
> org.apache.flink.runtime.dispatcher.runner.AbstractDispatcherLeaderProcess.supplyUnsynchronizedIfRunning(AbstractDispatcherLeaderProcess.java:184)
> at
> org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess.recoverJobsIfRunning(SessionDispatcherLeaderProcess.java:115)
> at
> java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
> ... 3 more
> Caused by: org.apache.flink.util.FlinkException: Could not retrieve
> submitted JobGraph from state handle under
> /bfb2a937257727e080ca85933586f38b. This indicates that the retrieved state
> handle is broken. Try cleaning the state handle store.
> at
> org.apache.flink.runtime.jobmanager.ZooKeeperJobGraphStore.recoverJobGraph(ZooKeeperJobGraphStore.java:191)
> at
> org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess.recoverJob(SessionDispatcherLeaderProcess.java:146)
> ... 7 more
> Caused by: java.io.InvalidClassException:
> org.apache.flink.api.common.operators.ResourceSpec; incompatible types for
> field cpuCores
> at java.io.ObjectStreamClass.matchFields(ObjectStreamClass.java:2467)
> at java.io.ObjectStreamClass.getReflector(ObjectStreamClass.java:2361)
> at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:753)
> at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1942)
> at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1808)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2099)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2344)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2268)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2126)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2344)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2268)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2126)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2344)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2268)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2126)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423)
> at java.util.ArrayList.readObject(ArrayList.java:797)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1184)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2235)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2126)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2344)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2268)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2126)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423)
> at java.util.HashMap.readObject(HashMap.java:1412)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1184)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2235)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2126)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2344)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2268)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2126)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2344)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2224)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2126)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1625)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:465)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:423)
> at
> org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:576)
> at
> org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:555)
> at
> org.apache.flink.runtime.state.RetrievableStreamStateHandle.retrieveState(RetrievableStreamStateHandle.java:58)
> at
> org.apache.flink.runtime.jobmanager.ZooKeeperJobGraphStore.recoverJobGraph(ZooKeeperJobGraphStore.java:185)
> ... 8 more
>

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