You must prepare your system for migrating to WebSphere® Application Server Version 9.0.
Before you begin
Read
Overview of migration, coexistence, and interoperability and
Migration considerations.
For help, read
Troubleshooting migration.
Best practice: Rather than manually looking through your applications for API and
specification changes, scan your applications for any required changes by using the Migration
Toolkit for Application Binaries and the WebSphere Application Server Migration Toolkit.
The
application binary scanner provides a detailed migration analysis report for your application, so
you can better understand the type and scope of changes that the application might require. When you
migrate your applications, the Eclipse-based migration toolkit provides quick fixes to automatically
update your source when possible and provides detailed help for items that must be manually
updated.
For more information and to download the toolkit, see the Migration
Toolkit on WASdev.
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Procedure
- Install WebSphere Application Server Version 9.0.
- Familiarize yourself with the tools and features of WebSphere Application Server Version 9.0.
- Verify that you have the minimum prerequisites required
for migration.
For more information, read Checking for the product-configuration migration prerequisites.
- Evaluate the items deprecated in WebSphere Application Server
Version 9.0.
Use the Migration Toolkit to scan your applications for any deprecated technologies.
Alternatively, you can manually evaluate your applications.
For more information, read the Deprecated and removed features article in the
documentation.
- Evaluate the changes to API specification levels to determine
which applications you need to migrate.
The Migration Toolkit is the quickest and easiest way to evaluate your applications for any
specification changes.
For more information about specification changes, see Migrating APIs and
specifications.
- Evaluate the changes to configuration settings.
For more information, read Configuration mapping during product-configuration migration.