The ORA-03135 / ORA-3113 on connecting from application to database hosted in OCI -Classic Environment
(Doc ID 2444846.1)
Last updated on OCTOBER 03, 2019
Applies to:Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.
The Environment is OCI-Classic. The application is running in Windows hosted in the Oracle Cloud OCI-Classic.
The Oracle Database server running in Oracle Linux hosted in the Oracle Cloud OCI -Classic. In the application log file, they are intermittently observing client disconnection.
ORA-03135 connection lost contact Process ID: 18836 Session ID: 370 Serial number:52288
In the Database alert log file, TNS-00505 time out issue reported.
TNS-00505: Operation timed out
ns main err code: 12535
nt secondary err code: 110
nt OS err code: 0
Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=<ip>)(PORT=59396))
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