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https://issues.apache.org/jira/browse/FLINK-23554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390324#comment-17390324
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Shengkai Fang commented on FLINK-23554:
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Thanks for [~qingru zhang]'s report. I will fix it soon. :)
> SqlCli throws an exception and hang
> ------------------------------------
>
> Key: FLINK-23554
> URL: https://issues.apache.org/jira/browse/FLINK-23554
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Client
> Affects Versions: 1.11.3, 1.13.1, 1.12.4
> Reporter: JING ZHANG
> Priority: Minor
> Attachments: image-2021-07-30-14-12-07-817.png
>
>
> SqlCli would throws an exception like the following, and SqlCli would hang
> forever until kill the process outside.
> You could reproduce the exception by the following step:
> # submit a SQL command in SQLCli
> # does not wait for it response, input another SQL command in SQL Cli
> # an exception would be thrown out, and SQLCli would hang
> !image-2021-07-30-14-12-07-817.png|width=1706,height=527!
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