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https://issues.apache.org/jira/browse/FLINK-20581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17248723#comment-17248723
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Yun Tang commented on FLINK-20581:
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[~Lonie] Have you ever checked whether class
{{org.apache.flink.util.JavaGcCleanerWrapper}} existed in your classpath and
what's the exception stack trace in detail?
>From my experiences, this should not be a bug in Flink.
> java.lang.NoClassDefFoundError: Could not initialize class
> org.apache.flink.util.JavaGcCleanerWrapper
> ------------------------------------------------------------------------------------------------------
>
> Key: FLINK-20581
> URL: https://issues.apache.org/jira/browse/FLINK-20581
> Project: Flink
> Issue Type: Bug
> Reporter: huzeming
> Priority: Blocker
>
> flink 1.10.2
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