WebLogic: SerializedSystemIniException

Problem:

The WebLogic Server does not start. Following errors seen in stdout/stderr/server logs:

 <21-Jun-2009 08:18:13 o’clock BST> <Warning> <Security> <BEA-090066> <Problem handling boot identity. The following exception was generated: weblogic.security.internal.SerializedSystemIniException: [Security:090207]Version mismatch. have 117, expected 1>

            .

            .

Background & Analysis:

Read this tutorial to understand how a WebLogic server uses SerializedSystemIni.dat and how this file may become corrupted.

Solution:

Restore a backup of SerializedSystemIni.dat and start the WebLogic servers.

If you do not have a backup, then you will need to reconfigure the domain.

Root Cause:

The WebLogic domain’s SerializedSystemIni.dat file is corrupted.

NOTE:
(1) The solution above describes a successful problem-solving experience and may not be applicable to other problems with similar symptoms.
(2) Your rating of this post will be much appreciated. Also, feel free to leave comments.