Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1941#discussion_r62832683
--- Diff:
flink-batch-connectors/flink-jdbc/src/main/java/org/apache/flink/api/java/io/jdbc/JDBCInputFormat.java
---
@@ -113,19 +192,7 @@ public void close() throws IOException {
try {
resultSet.close();
--- End diff --
check `resultSet == null` instead of catching NPE?
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