Github user tsriharsha commented on a diff in the pull request: https://github.com/apache/flink/pull/2916#discussion_r108598516 --- Diff: flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/util/KinesisConfigUtil.java --- @@ -215,4 +229,18 @@ private static void validateOptionalPositiveDoubleProperty(Properties config, St } } } + + private static void validateOptionalDateProperty(Properties config, String key, String message) { + if (config.containsKey(key)) { + try { + initTimestampDateFormat.parse(config.getProperty(key)); --- End diff -- Hey this throws an error if a double is passed but the next line throws an exception when a timestamp string is passed. @tzulitai @tony810430
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