Update server-common/src/main/java/io/a2a/server/requesthandlers/DefaultRequestHandler.java

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: jmesnil

server-common/src/main/java/io/a2a/server/requesthandlers/DefaultRequestHandler.java

@@ -255,12 +255,7 @@ public Task onCancelTask(TaskIdParams params, ServerCallContext context) throws
 
         // Persist the final task state (after all cancel events have been processed)
         // This ensures state is saved ONCE before returning to client
-        Task finalTask = taskManager.getTask();
-        if (finalTask != null) {
-            finalTask = taskManager.saveTask(finalTask);
-        } else {
-            finalTask = tempTask;
-        }
+        Task finalTask = taskManager.saveTask(tempTask);
 
         // Verify task was actually canceled (not completed concurrently)
         if (finalTask.getStatus().state() != TaskState.CANCELED) {