Inc. Server User Manual

BEA WebLogic Server 7.0 Upgrade Guide 2-1
CHAPTER
2 Upgrading WebLogic
Server 4.5 and 5.1 to
Version 7.0
Upgrading WebLogic Server 4.5 and 5.1 to version 7.0 is a multi-step process that
involves defining Web applications and converting your
weblogic.properties
file(s) into a new XML file format. There are also several specification changes that
affect the upgrade process. This chapter addresses the majority of upgrade issues, but
may omit issues that are unique to a specific environment.
The following sections provide procedures and other information you need to upgrade
your system from WebLogic Server 4.5 or 5.1 to WebLogic Server 7.0; to port your
applications from WebLogic Server 4.5 or 5.1 to WebLogic Server 7.0; and deploy
these applications. Instructions apply to upgrades from both WebLogic Server 4.5 and
5.1 to WebLogic Server 7.0.
 “Upgrading Your WebLogic Server Configuration: Main Steps” on page 2-2
 “Upgrading WebLogic Server License Files” on page 2-4
 “Converting the weblogic.properties File to XML Files” on page 2-5
 “Classloading in WebLogic Server 7.0” on page 2-8
 “Modifying Startup Scripts” on page 2-8
 “WebLogic Server 7.0 J2EE Application Types” on page 2-9
 “Converting and Porting Your Existing Applications into Web Applications” on
page 2-9