Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/3198#discussion_r97523023
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/AbstractStateBackend.java
---
@@ -66,4 +66,9 @@ public OperatorStateBackend createOperatorStateBackend(
String operatorIdentifier) throws Exception {
return new
DefaultOperatorStateBackend(env.getUserClassLoader());
}
+
+ @Override
+ public void close() throws Exception {
+
+ }
--- End diff --
Does it make sense to not implement the `close` method here? Then all
subclasses would be forced to think about what happens when closing the state
backend?
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