ORA-12502: TNS listener received

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232 views11/04/2023Oracle Database

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Ezana886 08/04/2023 0 Comments

What is the cause and solution for Oracle error ORA-12502: TNS listener received no CONNECT_DATA from client?

Amen Answered question 11/04/2023

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score 0 · Answer 1 · 2023-04-11T17:38:41+00:00

Cause:
No CONNECT_DATA was passed to the listener.

Solution:

Check that the service name resolved from TNSNAMES.ORA has the CONNECT_DATA component of the connect
descriptor.