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Posted to issues@flink.apache.org by "Sebastian Schelter (JIRA)" <ji...@apache.org> on 2014/12/05 17:30:12 UTC

[jira] [Created] (FLINK-1305) Flink's hadoop compatibility layer cannot handle NullWritables

Sebastian Schelter created FLINK-1305:
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             Summary: Flink's hadoop compatibility layer cannot handle NullWritables
                 Key: FLINK-1305
                 URL: https://issues.apache.org/jira/browse/FLINK-1305
             Project: Flink
          Issue Type: Bug
          Components: Hadoop Compatibility
    Affects Versions: 0.7.0-incubating
            Reporter: Sebastian Schelter
            Priority: Critical


NullWritable is a special object that is commonly used in Hadoop applications. NullWritable does not provide a public constructor, but only a singleton factory method. Therefore Flink fails when users to try to read NullWritables from Hadoop sequencefiles.



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