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));
```
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