[jira] [Created] (FLINK-1715) Remove print statements in MultiEvictionPolicy and GroupedDataStream

[Shang Yuanchun (Jira)]

Ufuk Celebi created FLINK-1715:
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             Summary: Remove print statements in MultiEvictionPolicy and GroupedDataStream
                 Key: FLINK-1715
                 URL: https://issues.apache.org/jira/browse/FLINK-1715
             Project: Flink
          Issue Type: Improvement
          Components: Streaming
    Affects Versions: master
            Reporter: Ufuk Celebi
            Priority: Trivial


Running the tests, I've noticed that some streaming tests print to stdout. Running a grep revealed the following print statements in flink-streaming, which should be removed.

{code}
./flink-streaming-core/src/main/java/org/apache/flink/streaming/api/datastream/GroupedDataStream.java: System.out.println("Setting the partitioning after groupBy can affect the grouping");
./flink-streaming-core/src/main/java/org/apache/flink/streaming/api/windowing/policy/MultiEvictionPolicy.java: System.out.print(item+":");
./flink-streaming-core/src/main/java/org/apache/flink/streaming/api/windowing/policy/MultiEvictionPolicy.java: System.out.println(result);
{code}



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