Wen Zhou created FLINK-25444:
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Summary: ExecutionConfig can not be Serializable due to
TextElement used in side
Key: FLINK-25444
URL: https://issues.apache.org/jira/browse/FLINK-25444
Project: Flink
Issue Type: Bug
Components: API / Core
Affects Versions: 1.14.2, 1.14.0, 1.14.3
Reporter: Wen Zhou
This should be a bug introduced by the latest flink commit of file
[flink-core/src/main/java/org/apache/flink/api/common/ExecutionConfig.java|https://github.com/apache/flink/commit/9e0e0929b86c372c9243daad9d654af9e7718708#diff-7a439abdf207cf6da8aa6c147b38c1346820fe786afbf652bc614fc377cdf238]
Diff the file, we can find TextElement is used here where ClosureCleanerLevel
is is used as a memeber of Serializable ExecutionConfig.
[TextElement in ClosureCleanerLevel|https://i.stack.imgur.com/ky3d8.png]
The simplest way to verify the problem is running code as followings in flink
1.13.5 and 1.14.x, the exception is reproduced in 1.14.x . And the diff between
1.13.5 and 1.14.x is only lates commit.
{{@Testpublic void testExecutionConfigSerializable() throws Exception {
ExecutionConfig config = new ExecutionConfig();
ClosureCleaner.clean(config, ExecutionConfig.ClosureCleanerLevel.RECURSIVE,
true);
}}}
The problem can be found here
https://stackoverflow.com/questions/70443743/flink-blockelement-exception-when-updating-to-version-1-14-2/70468925?noredirect=1#comment124597510_70468925
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