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https://issues.apache.org/jira/browse/FLINK-29240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xintong Song updated FLINK-29240:
---------------------------------
    Fix Version/s: 1.18.0
                       (was: 1.17.0)

> Unify the ClassLoader in StreamExecutionEnvironment and TableEnvironment
> ------------------------------------------------------------------------
>
>                 Key: FLINK-29240
>                 URL: https://issues.apache.org/jira/browse/FLINK-29240
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Task, Table SQL / API
>    Affects Versions: 1.16.0
>            Reporter: dalongliu
>            Priority: Major
>             Fix For: 1.18.0
>
>
> Since [FLINK-15635| https://issues.apache.org/jira/browse/FLINK-15635], we 
> have introduced a user classloader in table module to manage all user jars, 
> such as the jar added by `ADD JAR` or `CREATE FUNCTION ... USING JAR` syntax. 
> However, in table API  program user can create `StreamExecutionEnvironment` 
> first, then create `TableEnvironment` based on it, the classloader in 
> `StreamExecutionEnvironment` and `TableEnvironment` are not the same.  if the 
> user use `ADD JAR` syntax in SQL query, here maybe occur 
> ClassNotFoundException during compile StreamGraph to JobGraph because of the 
> different classloader, so we need to unify the classloader, make sure the 
> classloader is the same.



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