[jira] [Updated] (KAFKA-12308) ConfigDef.parseType deadlock

["Konstantine Karantasis (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-12308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konstantine Karantasis updated KAFKA-12308:
-------------------------------------------
    Component/s: KafkaConnect

> ConfigDef.parseType deadlock
> ----------------------------
>
>                 Key: KAFKA-12308
>                 URL: https://issues.apache.org/jira/browse/KAFKA-12308
>             Project: Kafka
>          Issue Type: Bug
>          Components: config, KafkaConnect
>    Affects Versions: 2.5.0
>         Environment: kafka 2.5.0
> centos7
> java version "1.8.0_231"
>            Reporter: cosmozhu
>            Priority: Major
>         Attachments: deadlock.log
>
>
> hi,
>  the problem was found, when I restarted *ConnectDistributed*
> I restart ConnectDistributed in the single node for the test, with not delete connectors.
>  sometimes the process stopped when creating connectors.
> I add some logger and found it had a deadlock in `ConfigDef.parseType`.My connectors always have the same transforms. I guess when connector startup (in startAndStopExecutor which default 8 threads) and load the same class file it has something wrong.
> I attached the jstack log file.
> thanks for any help.



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