Socket 部分掉的情况。

ruoyi-sim/src/main/java/com/ruoyi/sim/service/impl/SocketService.java

@@ -80,7 +80,12 @@ public class SocketService {
         if (cachedMap.containsKey(key) && cachedMap.get(key) != null) {
             Socket s = cachedMap.get(key).getSocket();
             if (s != null) {
-                return (s.isConnected() && s.isBound() && !s.isClosed());
+                return (s.isConnected() &&
+                        s.isBound() &&
+                        !s.isClosed() &&
+                        !s.isInputShutdown() &&
+                        !s.isOutputShutdown()
+                );
             }
         }
         return false;
@@ -194,7 +199,9 @@ public class SocketService {
             if (cachedMap.containsKey(key)) {
                 Socket s = cachedMap.get(key).getSocket();
                 s.getInputStream().close();
+                s.shutdownInput();
                 s.getOutputStream().close();
+                s.shutdownOutput();
                 s.close();
             }
         } catch (IOException e) {