Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/5734#discussion_r176028191
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskExecutor.java
---
@@ -292,6 +292,13 @@ public void start() throws Exception {
throwable = ExceptionUtils.firstOrSuppressed(t,
throwable);
}
+ try {
+ // it will call close() recursively from the parent to
children
+ taskManagerMetricGroup.close();
--- End diff --
this method never throws exceptions
---
