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Posted to issues@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2017/06/21 13:54:00 UTC

[jira] [Created] (FLINK-6965) Avro is missing snappy dependency

Chesnay Schepler created FLINK-6965:
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             Summary: Avro is missing snappy dependency
                 Key: FLINK-6965
                 URL: https://issues.apache.org/jira/browse/FLINK-6965
             Project: Flink
          Issue Type: Bug
          Components: Type Serialization System
    Affects Versions: 1.3.0
            Reporter: Chesnay Schepler
            Assignee: Chesnay Schepler
             Fix For: 1.3.2


The shading rework made before 1.3 removed a snappy dependency that was accidentally pulled in through hadoop. This is technically alright, until class-loaders rear their ugly heads.

Our kafka connector can read avro records, which may or may not require snappy. Usually this _should _be solvable by including the snappy dependency in the user-jar if necessary, however since the kafka connector loads classes that it requires using the system class loader this doesn't work.

As such we have to add a separate snappy dependency to flink-core.



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