[jira] [Created] (FLINK-14598) The use of FlinkUserCodeClassLoaders is unreasonable.

[luojiangyu (Jira)]

luojiangyu created FLINK-14598:
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             Summary: The use of FlinkUserCodeClassLoaders is unreasonable.
                 Key: FLINK-14598
                 URL: https://issues.apache.org/jira/browse/FLINK-14598
             Project: Flink
          Issue Type: Bug
          Components: Client / Job Submission, Runtime / Task, Table SQL / 
Client
    Affects Versions: 1.9.1
            Reporter: luojiangyu


The Client and Sql Client use the classloader that is generated by invoking the 
method of FlinkUserCodeClassLoaders.parentFirst; and the runtime is use the 
classloader that is generate by the configuration of 
CLASSLOADER_RESOLVE_ORDER(the default value is child-first). The runtime and 
client classloader generate way is different , and it is unreasonable. In the 
production , it  brings bad influence.

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