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https://issues.apache.org/jira/browse/FLINK-35301?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Huang updated FLINK-35301:
-------------------------------
    Description: 
In JDK 8 and earlier version, if multiple threads invoking 
Class.forName("com.xx.Driver") simultaneously, it may cause jdbc driver 
deadlock.

There is a issue which analyzes this problem:

[FLINK-19435] Deadlock when loading different driver classes concurrently using 
Class.forName - ASF JIRA (apache.org)

> Fix deadlock when loading driver classes
> ----------------------------------------
>
>                 Key: FLINK-35301
>                 URL: https://issues.apache.org/jira/browse/FLINK-35301
>             Project: Flink
>          Issue Type: Bug
>          Components: Flink CDC
>    Affects Versions: 3.1.0
>            Reporter: Xiao Huang
>            Priority: Major
>              Labels: pull-request-available
>
> In JDK 8 and earlier version, if multiple threads invoking 
> Class.forName("com.xx.Driver") simultaneously, it may cause jdbc driver 
> deadlock.
> There is a issue which analyzes this problem:
> [FLINK-19435] Deadlock when loading different driver classes concurrently 
> using Class.forName - ASF JIRA (apache.org)



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