fix check_partition_exist failure code process logic.

src/clog/ob_log_reconfirm.cpp

@@ -1134,7 +1134,7 @@ int ObLogReconfirm::reconfirm()
                 max_flushed_id_ + 1);
             state_ = START_WORKING;
             if (OB_INVALID_TIMESTAMP != last_ts_ && OB_FAIL(sw_->try_update_submit_timestamp(last_ts_))) {
-              CLOG_LOG(ERROR, "sw update timestamp error", K(ret), K(last_ts_));
+              CLOG_LOG(ERROR, "sw update timestamp error", K(ret), K_(partition_key), K(last_ts_));
             } else {
               ret = mm_->write_start_membership(OB_LOG_START_MEMBERSHIP);
             }

src/clog/ob_log_state_mgr.cpp

@@ -2038,7 +2038,8 @@ bool ObLogStateMgr::is_reconfirm_role_change_or_sync_timeout_()
         if (OB_SUCCESS != (tmp_ret = partition_service_->check_partition_exist(partition_key_, is_exist))) {
           CLOG_LOG(WARN, "check_partition_exist failed", K_(partition_key), K(tmp_ret));
         }
-        if (is_exist) {
+        if (is_exist || (OB_SUCCESS != tmp_ret)) {
+          // partition exists or check_partition_exist failed
           CLOG_LOG(ERROR,
               "is_reconfirm_role_change_or_sync_timeout_",
               K_(partition_key),