mqtt连接超时处理

zc-business/src/main/java/com/zc/business/controller/NonAutomaticWarningController.java

@@ -277,6 +277,7 @@ public class NonAutomaticWarningController extends BaseController {
                 });
 
                 // 建立连接
+                try {
                     logger.info("连接到 broker: " + host);
                     client.connect(options);
 
@@ -290,6 +291,15 @@ public class NonAutomaticWarningController extends BaseController {
                     //logger.info("开始监听" + topicName.getString("7768236033"));
                     //client.subscribe(topicName.getString("7835340801"), 1);
                     //logger.info("开始监听" + topicName.getString("7835340801"));
+                } catch (MqttException e) {
+                    if (e.getReasonCode() == MqttException.REASON_CODE_CLIENT_TIMEOUT) {
+                        logger.warn("连接超时.");
+                        // 尝试重连
+                        getAjaxResult(parameter);
+                    } else {
+                        throw e; // 抛出其他类型的异常
+                    }
+                }
             } catch (Exception e) {
                 e.printStackTrace();
             }