zentol commented on a change in pull request #13319:
URL: https://github.com/apache/flink/pull/13319#discussion_r490103127
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/entrypoint/component/DispatcherResourceManagerComponent.java
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@@ -74,22 +79,46 @@
@Nonnull ResourceManager<?> resourceManager,
@Nonnull LeaderRetrievalService
dispatcherLeaderRetrievalService,
@Nonnull LeaderRetrievalService
resourceManagerRetrievalService,
- @Nonnull WebMonitorEndpoint<?> webMonitorEndpoint) {
+ @Nonnull WebMonitorEndpoint<?> webMonitorEndpoint,
+ @Nonnull FatalErrorHandler fatalErrorHandler,
+ @Nonnull CompletableFuture<DispatcherGateway>
dispatcherGatewayCompletableFuture) {
this.dispatcherRunner = dispatcherRunner;
this.resourceManager = resourceManager;
this.dispatcherLeaderRetrievalService =
dispatcherLeaderRetrievalService;
this.resourceManagerRetrievalService =
resourceManagerRetrievalService;
this.webMonitorEndpoint = webMonitorEndpoint;
+ this.fatalErrorHandler = fatalErrorHandler;
this.terminationFuture = new CompletableFuture<>();
this.shutDownFuture = new CompletableFuture<>();
registerShutDownFuture();
+ failOnPrematureTermination(dispatcherGatewayCompletableFuture);
}
private void registerShutDownFuture() {
FutureUtils.forward(dispatcherRunner.getShutDownFuture(),
shutDownFuture);
}
+ private void
failOnPrematureTermination(CompletableFuture<DispatcherGateway>
dispatcherGatewayCompletableFuture) {
+ dispatcherGatewayCompletableFuture.whenComplete((dispatcher,
throwable) -> {
+ if (dispatcher != null && dispatcher instanceof
Dispatcher) {
Review comment:
Are the DispatcherRunner and Dispatcher termination futures linked in
any way? As in, if the Dispatcher shuts down _at any point_, then it is
guaranteed that the DispatcherRunner termination future is also being completed?
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