From 93e65f8a9121ca23df82ffc334c9814a3989375a Mon Sep 17 00:00:00 2001
From: yaokai <24456865@qq.com>
Date: Mon, 6 Mar 2023 10:38:36 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E4=BC=98=E5=8C=96=E8=8E=B7=E5=8F=96?=
 =?UTF-8?q?=E6=9C=AC=E6=9C=BAip=E5=9C=B0=E5=9D=80=E7=9A=84=E6=96=B9?=
 =?UTF-8?q?=E5=BC=8F?=
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Content-Transfer-Encoding: 8bit

---
 .../java/com/dtp/common/util/CommonUtil.java  | 26 +++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/common/src/main/java/com/dtp/common/util/CommonUtil.java b/common/src/main/java/com/dtp/common/util/CommonUtil.java
index c9405e3a..71b4db0c 100644
--- a/common/src/main/java/com/dtp/common/util/CommonUtil.java
+++ b/common/src/main/java/com/dtp/common/util/CommonUtil.java
@@ -7,7 +7,10 @@ import org.apache.commons.lang3.StringUtils;
 import org.springframework.core.env.Environment;
 
 import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
 import java.net.UnknownHostException;
+import java.util.Enumeration;
 
 /**
  * CommonUtil related
@@ -32,8 +35,8 @@ public final class CommonUtil {
 
         String address = null;
         try {
-            address = InetAddress.getLocalHost().getHostAddress();
-        } catch (UnknownHostException e) {
+            address = getLocalHostExactAddress().getHostAddress();
+        } catch (UnknownHostException | SocketException e) {
             log.error("get localhost address error.", e);
         }
 
@@ -48,4 +51,23 @@ public final class CommonUtil {
     public static Instance getInstance() {
         return INSTANCE;
     }
+
+    private static InetAddress getLocalHostExactAddress() throws SocketException, UnknownHostException {
+        InetAddress candidateAddress = null;
+        Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
+        while (networkInterfaces.hasMoreElements()) {
+            NetworkInterface networkInterface = networkInterfaces.nextElement();
+            for (Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses(); inetAddresses.hasMoreElements(); ) {
+                InetAddress inetAddress = inetAddresses.nextElement();
+                if (!inetAddress.isLoopbackAddress() && inetAddress.isSiteLocalAddress()) {
+                    if (!networkInterface.isPointToPoint()) {
+                        return inetAddress;
+                    } else {
+                        candidateAddress = inetAddress;
+                    }
+                }
+            }
+        }
+        return candidateAddress == null ? InetAddress.getLocalHost() : candidateAddress;
+    }
 }
-- 
Gitee