optimize: avoid dead loop logging during cache plan refresh exceptions (#6806)

Author: wuwen5

changes/en-us/2.x.md

@@ -77,6 +77,7 @@ Add changes here for all PR submitted to the 2.x branch.
 - [[#6793](https://github.com/apache/incubator-seata/pull/6793)] fix npmjs conflicts
 - [[#6793](https://github.com/apache/incubator-seata/pull/6795)] optimize the initialization logic for server meta
 - [[#6794](https://github.com/apache/incubator-seata/pull/6794)] optimize NacosMockTest UT case
+- [[#6806](https://github.com/apache/incubator-seata/pull/6806)] optimize `tableMeta` cache scheduled refresh issue
 
 
 ### refactor:

changes/zh-cn/2.x.md

@@ -78,6 +78,7 @@
 - [[#6793](https://github.com/apache/incubator-seata/pull/6793)] 修复 npmjs 依赖冲突问题
 - [[#6794](https://github.com/apache/incubator-seata/pull/6794)] 优化 NacosMockTest 单测问题
 - [[#6793](https://github.com/apache/incubator-seata/pull/6795)] 独立server的meta信息初始化逻辑
+- [[#6806](https://github.com/apache/incubator-seata/pull/6806)] 优化`tableMeta`缓存定时刷新问题
 
 
 ### refactor:

rm-datasource/src/main/java/org/apache/seata/rm/datasource/sql/struct/TableMetaCacheFactory.java

@@ -135,6 +135,8 @@ static class TableMetaRefreshHolder {
                         }
                     } catch (Exception exx) {
                         LOGGER.error("table refresh error:{}", exx.getMessage(), exx);
+                        // Avoid high CPU usage due to infinite loops caused by database exceptions
+                        lastRefreshFinishTime = System.nanoTime();
                     }
                 }
             });