New Connections Intermittently Rejected with TNS-12525
(Doc ID 566886.1)
Last updated on FEBRUARY 16, 2021
Applies to:Oracle Net Services - Version 22.214.171.124 and later
Information in this document applies to any platform.
***Checked for relevance on 20-DEC-2013***
At regular intervals (every three hours), you see new connections rejected with TNS-12525 "listener has not received client's request in time allowed".
The listener log shows the following error stack :
Wireshark (Ethereal) traces show the TCP 3-way handshake never completes for those connections.
Value of idle timer was recently changed at firewall level.
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