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Posted to user@flink.apache.org by narasimha <sw...@gmail.com> on 2020/12/30 05:43:28 UTC

Facing issues on kafka while running a job that was built with 1.11.2-scala-2.11 version onto flink version 1.11.2-scala-2.12

Hi,

Facing issues on kafka while running a job that was built with
1.11.2-scala-2.11 version onto flink version 1.11.2-scala-2.12.
kafka-connector with 1.11.2-scala-2.11 is getting packaged with the job.

Kafka cluster was all good when writing to topics, but when someone reads
intermittently the cluster becomes unstable with unresponsive brokers.
Do these differences in scala binary versions cause any issues to Kafka?

Flink version 1.11.2-scala-2-12
Kafka version - 2.1.0

-- 
A.Narasimha Swamy

Re: Facing issues on kafka while running a job that was built with 1.11.2-scala-2.11 version onto flink version 1.11.2-scala-2.12

Posted by Yun Gao <yu...@aliyun.com>.
Hi Narasimha,

     Since the Kafka-connect itself is purely implemented with Java, thus I guess that with high probabililty it is not the issue of scala version. I think may first have a check of the kafka cluster's status ?

Best,
 Yun

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Date:2020/12/30 13:43:28
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Theme:Facing issues on kafka while running a job that was built with 1.11.2-scala-2.11 version onto flink version 1.11.2-scala-2.12

Hi, 

Facing issues on kafka while running a job that was built with 1.11.2-scala-2.11 version onto flink version 1.11.2-scala-2.12. 
kafka-connector with 1.11.2-scala-2.11 is getting packaged with the job. 

Kafka cluster was all good when writing to topics, but when someone reads intermittently the cluster becomes unstable with unresponsive brokers. 
Do these differences in scala binary versions cause any issues to Kafka?

Flink version 1.11.2-scala-2-12
Kafka version - 2.1.0

-- 
A.Narasimha Swamy