Hi,

When you say that the `JobManager` goes down, you're referring to the fact that the Flink job will finish in a failed state after too many exceptions have occurred in the `FlinkKafkaConsumer. Is that correct?

I'm afraid right now there is no code path that would allow catching those `TopicUnthaurizationException`. We basically treat most exceptions coming from Kafka as errors that require recovery.

What behaviour would you have in mind as a reaction to those exceptions?

Best,
Aljoscha

On 2021/01/06 17:59, BELGHITH Amira (EXT) wrote:

Thank you for your answer.
I have been subscribed.

This is the previous topic I’m referring to 
http://mail-archives.apache.org/mod_mbox/flink-user/202008.mbox/%3CCACzKVZQ093HixMewb_prtP41ceXgmxCv=cmpsbphw-9+h8b...@mail.gmail.com%3E

Our flink job manager fails after multiple restarting, when the Kafka Consumer 
does not find a topic for example. We have a kafka exception 
TopicUnthaurizationException. We listen to a list a topics and whenever one is 
down , all our streaming system is down .. is there a way to handle those 
exceptions in the FlinkKafkaConsumer so the job manager does not fail?


De : Amira Belghith <belghith.am...@gmail.com>
Envoyé : mercredi 6 janvier 2021 18:36
À : BELGHITH Amira (EXT) ResgGtsOpmOptVdf <amira.belghith-...@socgen.com>; 
amira.belghith-...@soge.com
Objet : Fwd: Flink kafka exceptions handling

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---------- Message transféré ---------
De : Piotr Nowojski <pnowoj...@apache.org<mailto:pnowoj...@apache.org>>
Date : mer. 6 janv. 2021 à 17:26
Objet : Re: Flink kafka exceptions handling
À : Amira Belghith <belghith.am...@gmail.com<mailto:belghith.am...@gmail.com>>
CC : buggi...@gmail.com<mailto:buggi...@gmail.com> 
<buggi...@gmail.com<mailto:buggi...@gmail.com>>

I think you first need to be subscribed as it's explained here [1]. Could you 
also link to which previous topic are you referring to?

Piotrek

[1] https://flink.apache.org/community.html#mailing-lists

śr., 6 sty 2021 o 17:09 Amira Belghith 
<belghith.am...@gmail.com<mailto:belghith.am...@gmail.com>> napisał(a):
Hey,
Thanks for your fast reply.
The mail couldnt be delivered to the mailing list.

Le mer. 6 janv. 2021 à 16:59, Piotr Nowojski 
<pnowoj...@apache.org<mailto:pnowoj...@apache.org>> a écrit :
Hey,

could you post the question on the user 
<user@flink.apache.org<mailto:user@flink.apache.org>> mailing list?

Thanks,
Piotrek

śr., 6 sty 2021 o 15:11 Amira Belghith 
<belghith.am...@gmail.com<mailto:belghith.am...@gmail.com>> napisał(a):
Hi Nick, Piotr,

Im a software engineer working for Societe Generale bank.
I saw your discussion about FlinkKafkaConsumer and exceptions handling.
I have the same problem for a week now, and I wanted to know if you have found 
a solution.
Our flink job manager fails after multiple restarting, when the Kafka Consumer 
does not find a topic for example. We have a kafka exception 
TopicUnthaurizationException. We listen to a list a topics and whenever one is 
down , all our streaming system is down .. is there a way to handle those 
exceptions in the FlinkKafkaConsumer so the job manager does not fail?

Thanks a lot for your help,
Amira belghith

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