ORA-03136

How to Resolve ORA-12170: TNS:Connect timeout occurred

by Ed Chen
May 29, 2014December 11, 2022

ORA-12170 At some points, the client sides received intermittent ORA-12170 repeatedly: ORA-12170: TNS:Connect timeout occurred Meanwhile, the server side did not receive any errors either… Read More »

How to Resolve ORA-3136 Inbound Connection Timed Out

by Ed Chen
October 11, 2012February 7, 2023
2 Comments

ORA-3136 At times, some users complained about connection timeout, and you saw error messages ORA-3136 in sqlnet.log as such: Fatal NI connect error 12170. … Read More »