Hi Ingo,

So basically, I cannot deploy an older version of flink job in 1.14.3 flink
cluster, is it?

Thanks,
Sweta

On Tue, Jan 25, 2022 at 4:02 AM Ingo Bürk <airbla...@apache.org> wrote:

> Hi Sweta,
>
> there was a non-compatible change to SourceReaderContext#metricGroup in
> the 1.14.x release line; I assume this is what you are seeing.
>
> Did you make sure to update the connector (and any other) dependencies
> as well?
>
>
> Best
> Ingo
>
> On 25.01.22 05:36, Sweta Kalakuntla wrote:
> > Hi,
> >
> > We are on flink 1.13.3 and trying to upgrade  the cluster to 1.14.3
> > version. I see that job(on 1.13.3) is unable to start up because it says
> > it couldn't find metrics group(inside flinkkafkaconsumer class).
> >
> > - can I deploy 1.13.3 job on 1.14.3 cluster?
> > - can I deploy 1.14.3 job on 1.13.3 cluster?
> > - How do I upgrade to 1.14.3 cluster without loosing running apps state?
> > I have even tried doing savepoint that did not revive the job.
> >
> > Thank you,
> > Sweta
>

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