解决nacos异常，发送客户端当只有空格是不推送

iot-modules/iot-box-websocket-api/pom.xml

@@ -75,6 +75,12 @@
             <scope>compile</scope>
         </dependency>
 
+        <!-- https://mvnrepository.com/artifact/com.github.ben-manes.caffeine/caffeine -->
+        <dependency>
+            <groupId>com.github.ben-manes.caffeine</groupId>
+            <artifactId>caffeine</artifactId>
+            <version>3.1.8</version>
+        </dependency>
 
     </dependencies>
 

iot-modules/iot-box-websocket-api/src/main/java/com/qiuguo/iot/box/websocket/api/handler/BaseWebSocketProcess.java

@@ -134,15 +134,19 @@ public class BaseWebSocketProcess {
                     int m = Math.max(Math.max(Math.max(Math.max(d, j), Math.max(a, b)), c), n);
                     if (m > 0) {
                         //清空
+                        String msg = old.substring(0, m);
+                        if(msg.replace(" ", "").length() > 0){
+                            //纯空格的不推送
                             sb.setLength(0);
                             sb.append(old.substring(m));
-                        old = old.substring(0, m);
 
-                        normalSendMsg(baseSession, old, type, YesNo.NO.getCode());
+                            normalSendMsg(baseSession, msg, type, YesNo.NO.getCode());
-                    } else {
+                            return;
-                        sb.append(message);
                         }
 
+                    }
+                    sb.append(message);
+
                     return;
                 }
                 log.info("已经有新的请求，不在推送到客户端SN：{} userId:{}", baseSession.getSn(), baseSession.getUserId());
@@ -152,7 +156,11 @@ public class BaseWebSocketProcess {
             @Override
             public void finish() {
                 log.info("千问最后调用finish");
+                String msg = sb.toString();
+                if(msg.replace(" ", "").length() > 0){
+                    //纯空格的不推送
                     normalSendMsg(baseSession, sb.toString(), type);
+                }
                 MDC.remove(Log4Constans.PRINT_LOG_ID);
             }
         }).flatMap(data ->{