[ISSUE #109] 🐛 Fix shutdown the namesrv throw execption (#110)

Author: mxsm

rocketmq-common/src/thread_pool.rs

@@ -214,3 +214,9 @@ impl ScheduledExecutorService {
         });
     }
 }
+
+impl ScheduledExecutorService {
+    pub fn shutdown(self) {
+        self.inner.shutdown_background();
+    }
+}

rocketmq-namesrv/src/bin/bootstrap_server.rs

@@ -73,7 +73,7 @@ async fn main() -> anyhow::Result<()> {
         Some(notify_conn_disconnect),
     )
     .await;
-    drop(scheduled_executor_service);
+    scheduled_executor_service.shutdown();
     Ok(())
 }