SOLR-9556: Exit failover thread on interrupt

solr/CHANGES.txt

@@ -141,6 +141,9 @@ Bug Fixes
 * SOLR-9554: Fix NullPointerException when cores are loaded in parallel and switch schema.xml to managed-scheme.
  (Alan Woodward, Mikhail Khludnev)
 
+* SOLR-9556: OverseerAutoFailoverReplicaThread was not exiting on interrupt
+  (Alan Woodward)
+
 Optimizations
 ----------------------
 

solr/core/src/java/org/apache/solr/cloud/OverseerAutoReplicaFailoverThread.java

@@ -137,6 +137,7 @@ public class OverseerAutoReplicaFailoverThread implements Runnable, Closeable {
           Thread.sleep(workLoopDelay);
         } catch (InterruptedException e) {
           Thread.currentThread().interrupt();
+          return;
         }
       }
     }