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


需要使用：

select name,pdb from v$services;


获取一下查询结果如下：


NAME
----------------------------------------------------------------
PDB
--------------------------------------------------------------------------------
orclXDB
CDB$ROOT

orcl
CDB$ROOT

SYS$BACKGROUND
CDB$ROOT


NAME
----------------------------------------------------------------
PDB
--------------------------------------------------------------------------------
SYS$USERS
CDB$ROOT

orclpdb
ORCLPDB

注意这个：
orclpdb
ORCLPDB
然后查看tnsnames.ora