Stephan, You can also try generating a trace file (MOS 404724.1) to see what the recursive processes are doing before your session is disconnected. Seth Miller On Mon, Nov 10, 2014 at 9:46 AM, Tim Gorman <tim@xxxxxxxxx> wrote: > Stephan, > > Please query V$ACTIVE_SESSION_HISTORY for the USER_ID (translated from > DBA_USERS view) for the time period from a few seconds before and during > when you received the ORA-03135 error. Specifically, display the EVENT, > P1, P2, and P3 of each ASH row retrieved, in addition to SESSION_ID, > SESSION_SERIAL#, and PROGRAM. > > Please let us know what you find? > > Thanks! > > -Tim > > > > > On 11/10/14 2:59, Stephan Uzzell wrote: > > Copied off my command prompt, no modifications other than obscuring the > password: > > > > W:\>sqlplus opera_aspx/XXXXXXXX@opapp > > > > SQL*Plus: Release 11.2.0.3.0 Production on Mon Nov 10 04:51:40 2014 > > > > Copyright (c) 1982, 2011, Oracle. All rights reserved. > > > > ERROR: > > ORA-03135: connection lost contact > > Process ID: 0 > > Session ID: 0 Serial number: 0 > > > > > > Enter user-name: ^C > > W:\>sqlplus usdcdba/XXXXXXXX@opapp > > > > SQL*Plus: Release 11.2.0.3.0 Production on Mon Nov 10 04:53:08 2014 > > > > Copyright (c) 1982, 2011, Oracle. All rights reserved. > > > > > > Connected to: > > Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit > Production > > With the Partitioning, Real Application Clusters, Automatic Storage > Management, OLAP, > > Data Mining and Real Application Testing options > > > > primary:usdcdba@OPOPERA1> > > > > Everything I can find about the 03135 talks about network, firewall, > something in between the client and the server. Any thoughts on tracking > this down? > > > > stephan > > >