Github user GJL commented on a diff in the pull request: https://github.com/apache/flink/pull/5632#discussion_r175072436 --- Diff: flink-core/src/main/java/org/apache/flink/configuration/RestOptions.java --- @@ -33,7 +33,7 @@ */ public static final ConfigOption<String> REST_ADDRESS = key("rest.address") - .defaultValue("localhost") + .defaultValue("0.0.0.0") --- End diff -- It's not enough to set the default value to `0.0.0.0`. The rest client uses the value under this config key to connect. I am taking over this ticket now. #5707
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