TNS-12520 connecting via the Listener and Service shows as "Blocked" and Oracle SQL Tuning Advisor is running
(Doc ID 1934932.1)
Last updated on FEBRUARY 10, 2020
Applies to:
Oracle Net Services - Version 11.1.0.7 and laterOracle Database - Enterprise Edition - Version 11.1.0.7 and later
Information in this document applies to any platform.
Symptoms
When attempting to connect to the Database instance via the Listener, you receive a TNS-12520 or TNS-12519 error.
A check of the listener status or services shows that the Service is "Blocked"
Cause
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
Symptoms |
Cause |
Solution |
References |