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Wen Zhou commented on FLINK-25444: ---------------------------------- [~chesnay] ClosureCleanerLevel.RECURSIVE which would cause crash is the default config of ExecutionConfig > ClosureCleaner rejects ExecutionConfig as not be Serializable due to > TextElement > -------------------------------------------------------------------------------- > > Key: FLINK-25444 > URL: https://issues.apache.org/jira/browse/FLINK-25444 > Project: Flink > Issue Type: Bug > Components: API / Core > Affects Versions: 1.14.0 > Reporter: Wen Zhou > Assignee: Chesnay Schepler > Priority: Minor > Fix For: 1.15.0, 1.14.4 > > > 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 > > @Test > public 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] -- This message was sent by Atlassian Jira (v8.20.1#820001)