for configuring the weblogic8.1 in eclipse3.1, i am giving the following information::
Bea Home Directory - c:\bea
Weblogic installation Directory - c:\bea\weblogic81
Admin Username - weblogic
Admin Password - weblogic
Execution domain root - C:\bea\user_projects\domains
Execution domain name - domain
Execution Server name - localhost
Hostname

ortNumber - localhost:7001
when I am starting the weblogic through the eclipse, upto <management> it is giving coming, afterwards, i am getting the following error:
<Apr 1, 2008 9:19:12 AM IST> <Info> <Management> <BEA-141107> <Version: WebLogic Server 8.1 SP2 Fri Dec 5 15:01:51 PST 2003 316284 <br /> WebLogic XMLX Module 8.1 SP2 Fri Dec 5 15:01:51 PST 2003 316284 >
***************************************************************************
The WebLogic Server did not start up properly.
java.io.InvalidClassException: javax.management.MBeanAttributeInfo; local class incompatible: stream classdesc serialVersionUID = 7043855487133450673, local class serialVersionUID = 8644704819898565848