Using Mustang b59a, BEA 9.0 server startup failed due to incompatible serialVersion UID in javax.xml.namespace.QName.

Here are the details of the messages when trying to start the BEA server:
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<Nov 23, 2005 11:12:14 AM PST> <Notice> <WebLogicServer> <BEA-000365> <Server state changed to STARTING>
<Nov 23, 2005 11:12:14 AM PST> <Info> <WebLogicServer> <BEA-000377> <Starting WebLogic Server with Java HotSpot(TM)
Client VM Version 1.6.0-beta-b59 from Sun Microsystems Inc.>
<Nov 23, 2005 11:12:16 AM PST> <Critical> <WebLogicServer> <BEA-000362> <Server
failed. Reason:weblogic.management.ManagementException: Parsing Failure - with n
ested exception:
[java.io.InvalidClassException: javax.xml.namespace.QName; local class incompati
ble: stream classdesc serialVersionUID = 4418622981026545151, local class serial
VersionUID = -9120448754896609940]>
<Nov 23, 2005 11:12:16 AM PST> <Notice> <WebLogicServer> <BEA-000365> <Server st
ate changed to FAILED>
<Nov 23, 2005 11:12:16 AM PST> <Error> <WebLogicServer> <BEA-000383> <A critical
 service failed. The server will shut itself down>
<Nov 23, 2005 11:12:16 AM PST> <Notice> <WebLogicServer> <BEA-000365> <Server st
ate changed to SHUTTING_DOWN

How to reproduce:
-----------------
1. telnet 10.5.16.16 (Please contact the submitter for the login)
2. cd D:/weblogic/dev/src/wls, execute the script to setup the environment:
. ./mydevenv.sh
3. cd D:/weblogic/dev/src/wls/tools/weblogic/qa/tests, execute the script to start server:
startserver.cmd
4. observe the failure messages from above.