[jira] [Created] (FLINK-7656) Switch to user ClassLoader when invoking initializeOnMaster finalizeOnMaster

[Shang Yuanchun (Jira)]

Fabian Hueske created FLINK-7656:
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             Summary: Switch to user ClassLoader when invoking initializeOnMaster finalizeOnMaster
                 Key: FLINK-7656
                 URL: https://issues.apache.org/jira/browse/FLINK-7656
             Project: Flink
          Issue Type: Bug
          Components: Local Runtime
    Affects Versions: 1.3.2
            Reporter: Fabian Hueske
            Assignee: Fabian Hueske


The contract that Flink provides to usercode is that that the usercode classloader is the context classloader whenever usercode is called.

In {{OutputFormatVertex}} usercode is called in the {{initializeOnMaster()}} and {{finalizeOnMaster()}} methods but the context classloader is not set to the usercode classloader.



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