Connections to Database Fail Reporting ORA-12547: TNS lost connection
(Doc ID 1289174.1)
Last updated on FEBRUARY 18, 2020
Applies to:Oracle Net Services - Version 184.108.40.206 and later
Information in this document applies to any platform.
Sockets are never released and a restart of the database free the resources.
ORA-12547 is a sympton of lack of sockets on the system
Setting SQLNET.EXPIRE_TIME does not help
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