Shared Server Issue: TNS-12602: TNS: Connection Pooling limit reached
(Doc ID 466287.1)
Last updated on NOVEMBER 10, 2019
Applies to:Oracle Net Services - Version 10.1.0.2.0 and later
Information in this document applies to any platform.
Clients that are configured to make a SHARED (not DEDICATED) connection to the database may
start to fail. These errors would appear in the listener.log.
TNS-12518: TNS:listener could not hand off client connection
TNS-12564: TNS:connection refused
TNS-12602: TNS: Connection Pooling limit reached
No changes necessary. This is a resource depletion problem.
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