dawidwys commented on a change in pull request #11070: [FLINK-16013][core] Write and parse list config option correctly URL: https://github.com/apache/flink/pull/11070#discussion_r378901526
########## File path: flink-core/src/main/java/org/apache/flink/configuration/Configuration.java ########## @@ -958,6 +958,12 @@ private String convertToString(Object o) { } else if (o.getClass() == Duration.class) { Duration duration = (Duration) o; return String.format("%d ns", duration.toNanos()); + } else if (o instanceof List) { + return String.join(";", ((List<?>) o).stream().map(Object::toString).toArray(String[]::new)); Review comment: ```suggestion return String.join(";", ((List<?>) o).stream().map(this::convertToString).toArray(String[]::new)); ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services