From 0390d44c637df0eb9018245996e4ab0e26979624 Mon Sep 17 00:00:00 2001
From: heavyrain2012 <heavyrain.lee@gmail.com>
Date: Sat, 20 Nov 2021 10:58:30 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A3=80=E6=9F=A5server.ip=E9=85=8D=E7=BD=AE?=
 =?UTF-8?q?=EF=BC=8C=E5=BD=93=E6=B2=A1=E6=9C=89=E9=85=8D=E7=BD=AE=E6=97=B6?=
 =?UTF-8?q?=E8=BE=93=E5=87=BA=E8=AD=A6=E5=91=8A?=
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---
 broker/src/main/java/io/moquette/server/Server.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/broker/src/main/java/io/moquette/server/Server.java b/broker/src/main/java/io/moquette/server/Server.java
index 004b8ab1..4231a913 100755
--- a/broker/src/main/java/io/moquette/server/Server.java
+++ b/broker/src/main/java/io/moquette/server/Server.java
@@ -357,14 +357,18 @@ public class Server {
 
         MediaServerConfig.USER_QINIU = Integer.parseInt(config.getProperty(BrokerConstants.USER_QINIU)) > 0;
     }
+    
     private String getServerIp(IConfig config) {
         String serverIp = config.getProperty(BrokerConstants.SERVER_IP_PROPERTY_NAME);
-
         if (serverIp == null || serverIp.equals("0.0.0.0")) {
+            String warning = "警告：无效配置，server.ip不能为空，需要配置服务的公网IP地址或者域名才能在公网使用！！！\nIM服务将使用本地地址，只能在局域网内使用！";
+            System.out.println(warning);
+            LOG.error(warning);
             serverIp = Utility.getLocalAddress().getHostAddress();
         }
         return serverIp;
     }
+
     private boolean configureCluster(IConfig config) throws FileNotFoundException {
         LOG.info("Configuring embedded Hazelcast instance");