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Posted to issues@spark.apache.org by "Xiao Li (Jira)" <ji...@apache.org> on 2020/06/14 19:11:00 UTC

[jira] [Created] (SPARK-31990) Streaming's state store compatibility is broken

Xiao Li created SPARK-31990:
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             Summary: Streaming's state store compatibility is broken
                 Key: SPARK-31990
                 URL: https://issues.apache.org/jira/browse/SPARK-31990
             Project: Spark
          Issue Type: Bug
          Components: Structured Streaming
    Affects Versions: 3.0.0
         Environment: [This line|https://github.com/apache/spark/pull/28062/files#diff-7a46f10c3cedbf013cf255564d9483cdR2458] of [https://github.com/apache/spark/pull/28062] changed the order of groupCols in dropDuplicates(). Thus, the executor JVM could probably crash, throw a random exception or even return a wrong answer when using the checkpoint written by the previous version. 
            Reporter: Xiao Li
            Assignee: Yuanjian Li






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