From 67244e2b010a4c5785d94ed0c4c075a03d2bbc14 Mon Sep 17 00:00:00 2001
From: 1091234881 <49577269+1091234881@users.noreply.github.com>
Date: Wed, 20 Apr 2022 14:10:11 +0800
Subject: [PATCH] Update NetUtils.java
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无法检测本地端口时候被占用
创建 ServerSocket 时 指定本地ip
端口被占用 异常为 java.net.BindException: Address already in use (Bind failed)
---
 util/src/main/java/com/zfoo/util/net/NetUtils.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/util/src/main/java/com/zfoo/util/net/NetUtils.java b/util/src/main/java/com/zfoo/util/net/NetUtils.java
index 4dd9da09..52bb3943 100644
--- a/util/src/main/java/com/zfoo/util/net/NetUtils.java
+++ b/util/src/main/java/com/zfoo/util/net/NetUtils.java
@@ -114,9 +114,12 @@ public class NetUtils {
             // 给定的IP未在指定端口范围中
             return false;
         }
-        try (ServerSocket ss = new ServerSocket(port)) {
+        try {
+            InetAddress localHost = InetAddress.getLocalHost();
+            ServerSocket ss = new ServerSocket(port, 50, localHost);
+            ss.close();
             return true;
-        } catch (IOException e) {
+        } catch (Exception e) {
             return false;
         }
     }