Intermittent TNS-00507, TNS-12537 and ORA-12514 Causing Loss of JDBC Connectivity
(Doc ID 2817861.1)
Last updated on NOVEMBER 03, 2021
Applies to:JDBC - Version 19.3 and later
Information in this document applies to any platform.
Intermittent loss of JDBC/thin connectivity from Weblogic.
The database alert.log shows:
TNS-12537: TNS:connection closed
TNS-00507: Connection closed
The JDBC application logs show:
ORA-12514, TNS:listener does not currently know of service requested in connect descriptor
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