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https://issues.apache.org/jira/browse/KAFKA-12308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantine Karantasis resolved KAFKA-12308.
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Resolution: Fixed
> 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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