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ORA-12537 Connecting Through a Static Service Handler of a Listener Servicing a Lesser Version Database (Doc ID 343536.1)

Last updated on NOVEMBER 08, 2017

Applies to:

Oracle Net Services - Version 11.2.0.4 to 12.2.0.1 [Release 11.2 to 12.2]
Information in this document applies to any platform.
Checked for relevance on 24-DEC-2009.
This problem is limited to Unix platforms.


Symptoms

This problem occurs when a statically defined service handler of a higher version listener is used to connect to a lower version database. For example, a 12.2.0.1 listener servicing a 12.1.0.2 database.
The same clients connecting through dynamic service handlers work properly.

 

Cause

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