Listener: Connections Failing with TNS-12540, TNS-12518 and TNS-12528 -
(Doc ID 2297802.1)
Last updated on SEPTEMBER 11, 2023
Applies to:
Oracle Net Services - Version 11.2.0.3 and laterInformation in this document applies to any platform.
Symptoms
Clients are unable to connect through the listener.
The listener.log is reporting TNS-12540, TNS-12518 and TNS-12528.
Repeated Tns-12518 & Tns-12540 seen in listener.log
Eventually Listener crashes
Tns-12540 -"TNS:internal limit restriction exceeded" Indicates Listener is hitting some it's internal limits especially "Transport Events" (1023) :
Changes
None.
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |