bugfix: Enhance 401 Error Handling by Refreshing Token in acquireClusterMetaData Method

changes/en-us/2.x.md

@@ -12,6 +12,7 @@ Add changes here for all PR submitted to the 2.x branch.
 - [[#6899](https://github.com/apache/incubator-seata/pull/6899)] fix file.conf read failed after package
 - [[#6890](https://github.com/apache/incubator-seata/pull/6890)] fix designerJson to standardJson: subStateMachine compensateState cannot be recognized
 - [[#6907](https://github.com/apache/incubator-seata/pull/6907)] fix the issue of Codecov not generating reports
+- [[#6923](https://github.com/apache/incubator-seata/pull/6923)] Enhance 401 Error Handling by Refreshing Token
 - [[#6925](https://github.com/apache/incubator-seata/pull/6925)] fix the issue in Raft model a follower's crash may lead to the continued use of expired tokens
 
 ### optimize:
@@ -53,6 +54,7 @@ Thanks to these contributors for their code commits. Please report an unintended
 - [dsomehan](https://github.com/dsomehan)
 - [psxjoy](https://github.com/psxjoy)
 - [xingfudeshi](https://github.com/xingfudeshi)
+- [o-jimin](https://github.com/o-jimin)
 - [lixingjia77](https://github.com/lixingjia77)
 
 

changes/zh-cn/2.x.md

@@ -12,8 +12,10 @@
 - [[#6899](https://github.com/apache/incubator-seata/pull/6899)] 修复file.conf打包后的读取
 - [[#6890](https://github.com/apache/incubator-seata/pull/6890)] 修复saga设计json转标准json过程中: 子状态机补偿节点无法被识别
 - [[#6907](https://github.com/apache/incubator-seata/pull/6907)] 修复Codecov未生成报告的问题
+- [[#6923](https://github.com/apache/incubator-seata/pull/6923)] 增强 401 错误处理，通过刷新令牌
 - [[#6925](https://github.com/apache/incubator-seata/pull/6925)] 修复Raft模式下，Follower崩溃可能导致Client继续使用过期令牌的问题
 
+
 ### optimize:
 - [[#6826](https://github.com/apache/incubator-seata/pull/6826)] 移除只读XA事务的分支注册操作
 - [[#6874](https://github.com/apache/incubator-seata/pull/6874)] modify the version to 2.3.0-SNAPSHOT
@@ -55,7 +57,9 @@
 - [dsomehan](https://github.com/dsomehan)
 - [psxjoy](https://github.com/psxjoy)
 - [xingfudeshi](https://github.com/xingfudeshi)
+- [o-jimin](https://github.com/o-jimin)
 - [lixingjia77](https://github.com/lixingjia77)
 
+
 同时，我们收到了社区反馈的很多有价值的issue和建议，非常感谢大家。
 

discovery/seata-discovery-raft/src/main/java/org/apache/seata/discovery/registry/raft/RaftRegistryServiceImpl.java

@@ -377,14 +377,18 @@ private static void acquireClusterMetaData(String clusterName, String group) thr
             try (CloseableHttpResponse httpResponse =
                 HttpClientUtil.doGet("http://" + tcAddress + "/metadata/v1/cluster", param, header, 1000)) {
                 if (httpResponse != null) {
-                    if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
+                    int statusCode = httpResponse.getStatusLine().getStatusCode();
+                    if (statusCode == HttpStatus.SC_OK) {
                         response = EntityUtils.toString(httpResponse.getEntity(), StandardCharsets.UTF_8);
-                    } else if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_UNAUTHORIZED) {
+                    } else if (statusCode == HttpStatus.SC_UNAUTHORIZED) {
                         if (StringUtils.isNotBlank(USERNAME) && StringUtils.isNotBlank(PASSWORD)) {
-                            throw new RetryableException("Authentication failed!");
+                            refreshToken(tcAddress);
+                            throw new RetryableException("Token refreshed, retrying request.");
                         } else {
                             throw new AuthenticationFailedException("Authentication failed! you should configure the correct username and password.");
                         }
+                    } else {
+                        throw new AuthenticationFailedException("Authentication failed! you should configure the correct username and password.");
                     }
                 }
                 MetadataResponse metadataResponse;