Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/3935#discussion_r117441386 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/client/JobAttachmentClientActor.java --- @@ -114,7 +114,7 @@ else if (JobClientMessages.getRegistrationTimeout().equals(message)) { client.tell( decorateMessage(new Status.Failure( new JobClientActorRegistrationTimeoutException("Registration for Job at the JobManager " + - "timed out. " + "You may increase '" + ConfigConstants.AKKA_CLIENT_TIMEOUT + + "timed out. " + "You may increase '" + AkkaOptions.AKKA_CLIENT_TIMEOUT + --- End diff -- `ConfigConstants.AKKA_CLIENT_TIMEOUT` is only the key, so we should only contain the key of the ConfigOption, i.e `AkkaOptions.AKKA_CLIENT_TIMEOUT.key()`.
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