Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/4560#discussion_r133980216 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/resourcemanager/ResourceManager.java --- @@ -960,12 +965,26 @@ public void handleError(final Exception exception) { @Override public void releaseResource(InstanceID instanceId) { - stopWorker(instanceId); + runAsync(new Runnable() { + @Override + public void run() { + for (Map.Entry<ResourceID, WorkerRegistration<WorkerType>> entry : taskExecutors.entrySet()) { + if (entry.getValue().getInstanceID().equals(instanceId)) { + stopWorker(entry.getKey()); --- End diff -- In the future we should make these ids being composed of each other. Then we should easily obtain the `ResourceID` from the `InstanceID`
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