Fix extended parameter loss in config refresh due to protocol version misuse

starters/threadpool/server/src/main/java/cn/hippo4j/springboot/starter/core/CacheData.java

@@ -18,8 +18,10 @@
 package cn.hippo4j.springboot.starter.core;
 
 import cn.hippo4j.common.executor.ThreadPoolExecutorRegistry;
+import cn.hippo4j.common.model.ThreadPoolParameterInfo;
 import cn.hippo4j.springboot.starter.wrapper.ManagerListenerWrapper;
 import cn.hippo4j.common.toolkit.ContentUtil;
+import cn.hippo4j.common.toolkit.JSONUtil;
 import cn.hippo4j.common.toolkit.Md5Util;
 import cn.hippo4j.common.toolkit.IncrementalContentUtil;
 import cn.hippo4j.common.constant.Constants;
@@ -58,10 +60,12 @@ public class CacheData {
         this.tenantId = tenantId;
         this.itemId = itemId;
         this.threadPoolId = threadPoolId;
-        this.content = IncrementalContentUtil.getIncrementalContent(
+        // Store full content for listeners to receive complete configuration
-                ThreadPoolExecutorRegistry.getHolder(threadPoolId).getParameterInfo(),
+        ThreadPoolParameterInfo parameterInfo = ThreadPoolExecutorRegistry.getHolder(threadPoolId).getParameterInfo();
-                IncrementalContentUtil.PROTOCOL_VERSION);
+        this.content = ContentUtil.getPoolContent(parameterInfo);
-        this.md5 = getMd5String(content);
+        // Calculate MD5 based on incremental content for version compatibility
+        String incrementalContent = IncrementalContentUtil.getIncrementalContent(parameterInfo, IncrementalContentUtil.PROTOCOL_VERSION);
+        this.md5 = getMd5String(incrementalContent);
         this.listeners = new CopyOnWriteArrayList<>();
     }
 
@@ -97,8 +101,17 @@ public class CacheData {
     }
 
     public void setContent(String content) {
+        // Store full content for listeners
         this.content = content;
-        this.md5 = getMd5String(this.content);
+        // Calculate MD5 based on incremental content for version compatibility
+        try {
+            ThreadPoolParameterInfo parameterInfo = JSONUtil.parseObject(content, ThreadPoolParameterInfo.class);
+            String incrementalContent = IncrementalContentUtil.getIncrementalContent(parameterInfo, IncrementalContentUtil.PROTOCOL_VERSION);
+            this.md5 = getMd5String(incrementalContent);
+        } catch (Exception e) {
+            // Fallback to full content MD5 if parsing fails
+            this.md5 = getMd5String(content);
+        }
     }
 
     public static String getMd5String(String config) {

starters/threadpool/server/src/main/java/cn/hippo4j/springboot/starter/core/ClientWorker.java

@@ -157,9 +157,7 @@ public class ClientWorker implements DisposableBean {
                 try {
                     String content = getServerConfig(namespace, itemId, tpId, defaultTimedOut);
                     CacheData cacheData = cacheMap.get(tpId);
-                    ThreadPoolParameterInfo poolInfo = JSONUtil.parseObject(content, ThreadPoolParameterInfo.class);
+                    String poolContent = ContentUtil.getPoolContent(JSONUtil.parseObject(content, ThreadPoolParameterInfo.class));
-                    // Use incremental content for protocol version 2+ clients
-                    String poolContent = IncrementalContentUtil.getIncrementalContent(poolInfo, IncrementalContentUtil.PROTOCOL_VERSION);
                     cacheData.setContent(poolContent);
                 } catch (Exception ignored) {
                     log.error("Failed to get the latest thread pool configuration.", ignored);
@@ -288,9 +286,7 @@ public class ClientWorker implements DisposableBean {
             try {
                 serverConfig = getServerConfig(namespace, itemId, threadPoolId, defaultTimedOut);
                 ThreadPoolParameterInfo poolInfo = JSONUtil.parseObject(serverConfig, ThreadPoolParameterInfo.class);
-                // Use incremental content for protocol version 2+ clients
+                cacheData.setContent(ContentUtil.getPoolContent(poolInfo));
-                String content = IncrementalContentUtil.getIncrementalContent(poolInfo, IncrementalContentUtil.PROTOCOL_VERSION);
-                cacheData.setContent(content);
             } catch (Exception ex) {
                 log.error("Cache Data Error. Service Unavailable: {}", ex.getMessage());
             }