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https://issues.apache.org/jira/browse/FLINK-16933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17087007#comment-17087007
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JinxinTang commented on FLINK-16933:
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Could you please provide simple method to reproduce the problem quickly, or
picture attached to describe the detail?
> No suitable driver found for jdbc:xxx
> -------------------------------------
>
> Key: FLINK-16933
> URL: https://issues.apache.org/jira/browse/FLINK-16933
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream
> Affects Versions: 1.9.0
> Environment: CentOS Linux release 7.7.1908 (Core)
> Reporter: morgan
> Priority: Major
>
> For example, there are two streaming jobs A and B.
> When A calculation is running, I submit B, at this time, an exception will be
> thrown, Caused by: java.sql.SQLException: No suitable driver found for jdbc:
> clickhouse: // host: 8123 / data. When stopping flink ./stop-cluster.sh. Then
> restart ./start-cluster.sh. When flink is not running any tasks, submit B,
> and B is successfully executed. But if you execute B multiple times, Caused
> by: java.sql.SQLException: No suitable driver found for jdbc: clickhouse: //
> host: 8123 / data will also be thrown. Both B and A depend on clickhouse4j in
> the common. A submission can run normally, but B can only be executed when
> restart and flink does not contain other tasks, which seems strange. I
> checked flink / lib / and clickhouse4j-1.4.1.jar has been added. I tried to
> package clickhouse4j-1.4.1.jar into the job, but still couldn't solve this
> problem. I tried to add it to jre / lib / ext and added it to the classpath.
> The problem was not solved. But I executed in the local environment idea and
> did not throw any exception.
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