tillrohrmann commented on a change in pull request #14432:
URL: https://github.com/apache/flink/pull/14432#discussion_r547875330



##########
File path: 
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobManagerRunnerImpl.java
##########
@@ -337,12 +337,25 @@ private void startJobMasterServiceSafely(UUID 
leaderSessionId) {
                checkState(jobMasterService == null, "JobMasterService must be 
null before being started.");
 
                try {
-                       jobMasterService = 
jobMasterServiceFactory.createJobMasterService(
+                       final JobMasterService newJobMasterService = 
jobMasterServiceFactory.createJobMasterService(
                                jobGraph,
                                new JobMasterId(leaderSessionId),
                                this,
                                userCodeClassLoader,
                                initializationTimestamp);
+
+                       jobMasterService = newJobMasterService;
+
+                       
jobMasterService.getTerminationFuture().whenComplete((unused, throwable) -> {
+                               if (throwable != null) {
+                                       synchronized (lock) {
+                                               // check that we are still 
running and the valid JobMasterService

Review comment:
       Will update it.




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