Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/566#discussion_r29147205
--- Diff:
flink-core/src/main/java/org/apache/flink/types/parser/IntParser.java ---
@@ -38,19 +38,28 @@ public int parseField(byte[] bytes, int startPos, int
limit, byte[] delimiter, I
final int delimLimit = limit-delimiter.length+1;
+ if (bytes.length == 0) {
--- End diff --
I see. This is probably because an empty test string causes the test to
call the parser with an 0-length array.
We could add a dedicated `testEmptyField` test method to the
`ParserTestBase` and remove the empty Strings from the set of invalid inputs.
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