From ce047743ad5c494d08355fad4d8d627785d76d51 Mon Sep 17 00:00:00 2001
From: Chaiyong Ragkhitwetsagul <cragkhit@gmail.com>
Date: Tue, 4 Mar 2025 11:49:03 +0700
Subject: [PATCH] Update HttpServer.java

Adding a null check before closing the server.
---
 .../net/csdn/modules/http/HttpServer.java     | 20 +++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/serviceframework-web/src/main/java/net/csdn/modules/http/HttpServer.java b/serviceframework-web/src/main/java/net/csdn/modules/http/HttpServer.java
index 19cf1e8..9b7baf9 100644
--- a/serviceframework-web/src/main/java/net/csdn/modules/http/HttpServer.java
+++ b/serviceframework-web/src/main/java/net/csdn/modules/http/HttpServer.java
@@ -225,18 +225,22 @@ public void run() {
     }
 
     public void close() {
-        try {
-            server.stop();
-        } catch (Exception e) {
-            e.printStackTrace();
+        if (server != null) {
+            try {
+                server.stop();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
         }
     }
 
     public void join() {
-        try {
-            server.join();
-        } catch (InterruptedException e) {
-            e.printStackTrace();
+        if (server != null) {
+            try {
+                server.join();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
         }
     }