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How to Make SQLcl to Read TNS_ADMIN environment variable (Doc ID 2343404.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle SQL Developer - Version 4.2.0 and later
Information in this document applies to any platform.


Oracle SQL Developer command line version 4.2 & above cannot identify TNS_ADMIN alias.

Trying to connect to the  Oracle Database using below similar command, it fails to read TNS_ADMIN and throws exception:


SQL> connect scott/tiger@db12cr1

USER = scott
URL = jdbc:oracle:thin:@db12cr1:1521/db12cr1
Error message = I / O error: Unknown host specified


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