XComp commented on code in PR #22987:
URL: https://github.com/apache/flink/pull/22987#discussion_r1269485273
##########
flink-runtime/src/main/java/org/apache/flink/runtime/rest/RestClient.java:
##########
@@ -501,6 +501,22 @@ private <P extends ResponseBody> CompletableFuture<P>
submitRequest(
}
});
+ // [FLINK-32583] If connectFuture failed instantly but channelFuture
is unresolved, it may
+ // mean the executor service Netty is using has shut down, in which
case the above listener
+ // to complete channelFuture will never run
+ if (connectFuture.isDone() && !connectFuture.isSuccess() &&
!channelFuture.isDone()) {
Review Comment:
I guess your last proposal makes sense. Could you add this as a proper
commit to make it reviewable? And it's not too complicated.
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