ORA-12504 When Using (HOSTNAME) Method For 11G Client/Database (Doc ID 556996.1)

Last updated on APRIL 12, 2017

Applies to:

Oracle Net Services - Version 11.1.0.6.0 to 11.2.0.3 [Release 11.1 to 11.2]
Oracle Net Services - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.
Checked for relevance on 14-MAY-2010.

The issue documented here has been resolved in an enhancement request since the original writing. Please refer to the notes below.


Symptoms

Connecting from an 11.1.0.x client using the HOSTNAME adapter fails with the error:
ORA-12504: TNS:listener was not given the SERVICE_NAME in CONNECT_DATA

However, the same client connection works fine using the LDAP, TNSNAMES, or EZCONNECT methods.

Cause

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