Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2090#discussion_r67107168
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/source/FileSourceFunction.java
---
@@ -123,9 +127,11 @@ public void run(SourceContext<OUT> ctx) throws
Exception {
OUT nextElement = serializer.createInstance();
nextElement = format.nextRecord(nextElement);
if (nextElement == null && splitIterator.hasNext()) {
+ splitCounter.inc();
--- End diff --
the behaviour in both classed is the same. If the format returns null it is
considered empty (==completed), hence we increase the counter.
well the FIleSourceFunction doesn't properly call close() once the split
was processed.
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