CodePudding user response:
You should cut a figure,Up sqlplus quote this wrong for many reasons, such as input error, TNS configuration errors, etc.
CodePudding user response:
Add screenshots, local and remote login PLSQL can but only use up sqlplus on the server can'tCodePudding user response:
The TNS_ADMIN, this environment variable configuration? Confirm it,CodePudding user response:
What all configuration, other PLSQL and JDBC can be connected, not only at the corresponding level server up sqlplusCodePudding user response:
The server install multiple versions?CodePudding user response:
Two set the environment variable oracle_home and oracle_sid,CodePudding user response:
Above these methods just this problem tried, no.CodePudding user response:
Environment variable is not configured, can take a lookCodePudding user response:
Either the database instance is not up, or to monitor service didn't rise, is not that is the problem of the registryCodePudding user response:
You can check your configuration has a problemCodePudding user response:
Up sqlplus user/password @ instance name, a try, may be the default connection instance is not normal startCodePudding user response:
According to the PL/SQL connection to connect to try to seeCodePudding user response:
Up sqlplus username/password @ services can be connected, but not you directly up sqlplusCodePudding user response:
Check the path, look at the https://blog.csdn.net/songyundong1993/article/details/85003942 is the problem