Creating Inside An Linux/Unix Process Huge Number (500 and higher) Of Connections Against Database Fails With Network Errors ORA-12157 Or ORA-12560
(Doc ID 563237.1)
Last updated on MARCH 04, 2022
Applies to:Precompilers - Version 10.1.0.2 to 188.8.131.52 [Release 10.1 to 11.1]
Oracle Database - Enterprise Edition - Version 10.1.0.2 to 184.108.40.206 [Release 10.1 to 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
*** Currency Check Performed on 12-Aug-2014 ***
Looping inside an Linux/Unix process and creating for each iteration a complete and clean connection by allocating handles, opening connection, closing connection and freeing handles, after some ~500+ iterations the process will respond one of the two network errors
- ORA-12157 TNS:internal network communication error
- ORA-12560 TNS:protocol adapter error
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