[oracle@PLUSTEST ~]$ expdp system/gacHZdba2018@PLUSDEV directory=dump_dir dumpfile=plusdevschema.dmp schemas=PLUSDEV

UDE-12154: operation generated ORACLE error 12154
ORA-12154: TNS:could not resolve the connect identifier specified

expdp导出时报错,ORA-12154 TNS: 无法解析指定的连接标识符

解决办法:
1、确认shcemas正确
2、在导出语句上加ip地址
[oracle@PLUSTEST ~]$ expdp system/[email protected]/PLUSDEV directory=dump_dir dumpfile=plusdevschema.dmp schemas=PLUSDEV