问题1现象 数据导出脚本执行失败,报错如下 ORA-12537 到服务器上查看,报错: [oracle@test ~]$ lsnrctl status LSNRCTL - Production on -APR- :: Copyright (c) , , Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=)) TNS-: TNS:no listener TNS-: TNS:protocol…