Github user mpouttuclarke commented on a diff in the pull request: https://github.com/apache/flink/pull/4228#discussion_r125074194 --- Diff: flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/util/KinesisConfigUtil.java --- @@ -171,7 +172,14 @@ public static void validateAwsConfiguration(Properties config) { } if (!config.containsKey(AWSConfigConstants.AWS_REGION)) { - throw new IllegalArgumentException("The AWS region ('" + AWSConfigConstants.AWS_REGION + "') must be set in the config."); + final Region currentRegion = Regions.getCurrentRegion(); + if (currentRegion != null) { + config.setProperty(AWSConfigConstants.AWS_REGION, currentRegion.getName()); + } else { + throw new IllegalArgumentException("The AWS region could not be identified automatically from the AWS API. " + --- End diff -- Yes I like that wording.
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