Migrating a Java EE App from GlassFish to WebLogic

WebLogic is Oracle's strategic application server for the Java EE Platform. Since Oracle decided to focus on it for commercial support, and decided to leave GlassFish free of any ties with commercial decisions, I decided to bring this type of content to help GlassFish customers as well users to experiment, try, and evaluate Oracle WebLogic 12c (Java EE 6 certified). But before getting down to the migration part, first thing you should learn is How to Install WebLogic 12c. For this migration tutorial in a developer environment, we will be using the Developer installation, but for production environments, we recommend the Full installation.

Full Installation
For full installation that can be used either in a production environment or in a developer environment, download the WebLogic Generic Installer and follow the steps descriped in the documentation for 12.1.2 on how to install WebLogic.

The difference between full and dev, is that full is targeted for any environment, and dev is well, for developers only. Oracle always recommend the full installation, but usually and specially for Java EE applications in a dev environment, the Development installation is enough. The good thing about it is the download size: less than 200Mb, and still you also get Oracle Coherence to play with. By the way, there is no licensing requirements for development purposes (either full or dev install), because WebLogic (and other Oracle products) are free for developers.

Required software

For this series of Migrating from GlassFish to WebLogic, I will be using NetBeans 8.0, GlassFish 3.1.2.2, Oracle JDK 7, Oracle MySQL Community 5.6, and WebLogic 12.1.2. So make sure you have that software (except WLS for now) installed and configured in your system. Read the complete article here.

WebLogic Partner Community

For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center.

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