Add log to solve tg_cancel_fail in mysql_connection_pool stop

deps/oblib/src/lib/mysqlclient/ob_mysql_connection_pool.cpp

@@ -215,12 +215,14 @@ void ObMySQLConnectionPool::stop()
   if (! is_stop_) {
     int ret = OB_SUCCESS;
     if (tg_id_ != -1) {
+      int origin_tg_id = tg_id_;
       if (OB_FAIL(TG_CANCEL_ALL(tg_id_))) {
-        LOG_ERROR("fail to cancel timer task", K(ret), K(this));
+        LOG_ERROR("fail to cancel timer task", K(ret), K(tg_id_), K(is_stop_), K(this));
       } else {
         TG_STOP(tg_id_);
         TG_WAIT(tg_id_);
         tg_id_ = -1;
+        LOG_INFO("ObMySQLConnectionPool stop succ", K(origin_tg_id));
       }
     }
     is_stop_ = true;

src/share/ob_log_restore_proxy.cpp

@@ -242,7 +242,7 @@ void ObLogRestoreProxyUtil::destroy()
   inited_ = false;
   tenant_id_ = OB_INVALID_TENANT_ID;
   connection_.stop();
-  TG_DESTROY(tg_id_);
+  destroy_tg_();
   connection_.destroy();
   server_prover_.destroy();
   user_name_.reset();
@@ -328,6 +328,7 @@ int ObLogRestoreProxyUtil::try_init(const uint64_t tenant_id,
   if (OB_FAIL(ret)) {
     LOG_WARN("proxy connect to primary db failed");
     RESTORE_PROXY_USER_ERROR("connection");
+    destroy();
   }
   return ret;
 }
@@ -611,5 +612,15 @@ int ObLogRestoreProxyUtil::get_max_log_info(const ObLSID &id, palf::AccessMode &
   }
   return ret;
 }
+
+void ObLogRestoreProxyUtil::destroy_tg_()
+{
+  if (-1 != tg_id_) {
+    int origin_tg_id = tg_id_;
+    TG_DESTROY(tg_id_);
+    tg_id_ = -1;
+    LOG_INFO("destroy_tg_ succ", K(origin_tg_id));
+  }
+}
 } // namespace share
 } // namespace oceanbase

src/share/ob_log_restore_proxy.h

@@ -140,6 +140,7 @@ public:
   int get_max_log_info(const ObLSID &id, palf::AccessMode &mode, SCN &scn);
 private:
   bool is_user_changed_(const char *user_name, const char *user_password, const char *db_name);
+  void destroy_tg_();
 private:
   bool inited_;
   uint64_t tenant_id_;