Github user chandnisingh commented on a diff in the pull request:
https://github.com/apache/incubator-apex-malhar/pull/137#discussion_r48381816
--- Diff: library/src/main/java/com/datatorrent/lib/parser/Parser.java ---
@@ -61,25 +70,48 @@ public void setup(PortContext context)
}
};
- @OutputPortFieldAnnotation(optional = true)
public transient DefaultOutputPort<INPUT> err = new
DefaultOutputPort<INPUT>();
--- End diff --
The problem with that is they will have to add another port because the
type here is tied to INPUT. I know its optional here but still there will be
unused error ports.
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