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https://issues.apache.org/jira/browse/FLINK-22875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17357234#comment-17357234
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JYXL commented on FLINK-22875:
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before pickle, the java object is <class 'py4j.java_gateway.JavaObject'>
after unpickle, the java object is <class 'py4j.java_collections.JavaMap'>
> Cannot work by Pickler and Unpickler
> ------------------------------------
>
> Key: FLINK-22875
> URL: https://issues.apache.org/jira/browse/FLINK-22875
> Project: Flink
> Issue Type: Bug
> Reporter: JYXL
> Priority: Major
>
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