Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/3501#discussion_r105239060
--- Diff:
flink-streaming-java/src/test/java/org/apache/flink/streaming/api/DataStreamTest.java
---
@@ -906,6 +919,256 @@ public void testChannelSelectors() {
}
/////////////////////////////////////////////////////////////
+ // KeyBy testing
+ /////////////////////////////////////////////////////////////
+
+ @Rule
+ public ExpectedException expectedException = ExpectedException.none();
--- End diff --
First time I'm seeing this pattern and i can't help but feel that a simple
try-catch block would be more readable.
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