curcur commented on a change in pull request #16531: URL: https://github.com/apache/flink/pull/16531#discussion_r673733146
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/taskmanager/RuntimeEnvironment.java ########## @@ -92,6 +94,10 @@ private final Task containingTask; + private MailboxExecutor mainMailboxExecutor; Review comment: I mark the `mainMailboxExecutor ` and `asyncOperationsThreadPool` @Nullable in RuntimeEnvironment. In `MockEnvironment`, both mailboxExecutor and asycnThreadPool are initialized in the constructor, and I marked the parameter of the set method as not nullable. So I did not set `mainMailboxExecutor ` and `asyncOperationsThreadPool` as @Nullable in MockEnvironment, because no way `mainMailboxExecutor ` and `asyncOperationsThreadPool` can be null in `MockEnvironment`. -- 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. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org