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https://issues.apache.org/jira/browse/FLINK-13460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16900114#comment-16900114
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Stephan Ewen commented on FLINK-13460:
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If we refactor all these tests now, would be good to also clean this up a bit,
like avoid binary class code in the utils class, consolidate it with the other
ClassLoaderUtils.
> Rework SerializedThrowableTest to not use Unsafe.defineClass()
> --------------------------------------------------------------
>
> Key: FLINK-13460
> URL: https://issues.apache.org/jira/browse/FLINK-13460
> Project: Flink
> Issue Type: Sub-task
> Components: Tests
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
>
> The method {{Unsafe.defineClass()}} is removed in Java 11.
> To support Java 11, we need to rework the method
> {{CommonTestUtils.createClassNotInClassPath()}} to use a different mechanism.
> Java 11 introduces a new way to define a class from byte code via
> {{MethodHandles}}. However, because these do not exist in Java 8, we cannot
> use them if we want to keep supporting Java 8, which we most likely want to
> do for quite a while.
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