"opiino: Attach failed! error=-1 ifvp=0" written in Database UDUMP file
(Doc ID 399727.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 184.108.40.206 [Release 10.2 to 12.1]
Oracle Net Services - Version 10.2.0.1.0 to 220.127.116.11 [Release 10.2 to 12.1]
Information in this document applies to any platform.
***Checked for relevance on 8-APR-2013***
When a client process is abnormally disconnected from the Database (server) process, specifically at a point where the Database needs to negotiate and communicate certain OCI / TWO-TASK data to the client such as with character sets, OCI, etc., then the Database may throw one of the following errors in a UDUMP trace:
Perhaps an abnormally high increase in connection activity from App Servers or a network condition or change causing instability.
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