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This article mainly shows you "how to deal with plsql login oracle11 12514 error problem", the content is easy to understand, clear, hope to help you solve doubts, the following let the editor lead you to study and learn "how to deal with 12514 errors in plsql login oracle11" this article.

Everyone's installation path environment may be different, for reference only.

12514:

There is an incorrect path. Here is my path, where D:\ hff\ install\ Oracle\ is the installation path. Pay attention to the parentheses when configuring, and the red part below is the path to modify the configuration. After the configuration is complete, confirm that the following services are started. Errors of 01034 and 27101 may occur after the configuration is complete. Please see the next section to deal with.

# listener.ora Network Configuration File: d:\ hff\ install\ Oracle\ product\ 11.2.0\ dbhome_1\ network\ admin\ listener.ora # Generated by Oracle configuration tools.SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = CLRExtProc) (ORACLE_HOME = D:\ hff\ install\ Oracle\ product\ 11.2.0\ dbhome_1)) (SID_DESC = (GLOBAL_) DBNAME = orcl) (ORACLE_HOME = D:\ hff\ install\ Oracle\ product\ 11.2.0\ dbhome_1) (SID_NAME = orcl) LISTENER = (DESCRIPTION = (ADDRESS = (PROTOCOL = IPC) (KEY = EXTPROC1521)) (ADDRESS = (PROTOCOL = TCP) (HOST = 127.0.0.1) (PORT = 1521)) ADR_BASE_LISTENER = D:\ hff\ install \ Oracle above is all the content of the article entitled "how to deal with 12514 errors in plsql login oracle11" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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