ORA-03135: connection lost contact for a single user only

Hi gurus,

I am puzzled to this problem, no one else is having problem connecting to the database except a user who always gets "ORA-03135: connection lost contact" when you try to connect to the test and Prod environment.

Oracle@PATEST > sqlplus user@testDB

SQL * more: release 10.2.0.3.0 - Production Wed Dec 23 13:21:08 2015

Copyright (c) 1982, 2006, Oracle.  All rights reserved.

Enter the password:

ERROR:

ORA-03135: connection lost contact

Get the same error when you try to connect via EDIVIEW (application) or the prompt of commands or cygwin terminal directly.

tnsping works fine and return connect credentials

Here's what I did troubleshooting:

1. make sure that the user is not locked in the database

2. place the database restricted and provided this user mode access restricted and tried the connection as long as that user, not luck.

3A bounced the listener

4A rebounded from the database

5. some online forums suggest to increase the timeout setting in sqlnet.ora, in our environment, we use the OID and the sqlnet.ora is the central directory. If this cannot be the issue that everyone can connect.

6. I checked the sqlnet.log file and there seems to be no incoming connection from this user or machine.

Information system and database

Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64 bit Production

Mna3dbts SunOS 5.10 Generic_150400-27 sun4u sparc SUNW, SPARC-Enterprise

Any advice would be appreciated

Hello world

Thanks for everyone came, surprisingly, the problem is solved by simply changing the user password in the database. As soon as the password is reset, I was able to connect using the assigned user name.

Tags: Database

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