TisonKun commented on a change in pull request #9832: [FLINK-11843] Bind
lifespan of Dispatcher to leader session
URL: https://github.com/apache/flink/pull/9832#discussion_r337827274
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/dispatcher/DispatcherServices.java
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@@ -74,22 +78,24 @@ public DispatcherServices(
@Nonnull GatewayRetriever<ResourceManagerGateway>
resourceManagerGatewayRetriever,
Review comment:
What is `@Nonnull` annotation conventions here? Following the statement
> This means that @Nonnull annotations are usually not necessary, but can be
used in certain cases to override a previous annotation, or to point
non-nullability out in a context where one would expect a nullable value.
I think here one would always expect a non-null value.
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