Stephan Ewen created FLINK-7997:
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Summary: Avro should be always in the user code
Key: FLINK-7997
URL: https://issues.apache.org/jira/browse/FLINK-7997
Project: Flink
Issue Type: Improvement
Reporter: Stephan Ewen
Assignee: Stephan Ewen
Fix For: 1.4.0
Having Avro in the user code space makes it possible for users to use different
Avro versions that the ones pulled in by an overloaded classpath (for example
when having Hadoop in the classpath)
This is possible through the new child-first classloading in Flink 1.4.
Also, this should fix the problem of "X cannot be cast to X", because Avro
classes will be scoped to the user code class loader, and the Avro schema cache
will not be JVM-wide-
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