Migration Guide for GlassFish

The purpose of this migration guide is to help in migrating applications to GlassFish.

How To Contribute

• Login ("Log in" button at the top ) with a GFWiki id.
• Create a new page for the migration issue and solution under the appropriate section.

JBoss -> GlassFish Migration Issues

• Local EJB reference using a non standard JNDI name
• Classes packaged at top level in a WAR file
• Using Facelets
• JBoss EJBQL != Glassfish(J2EE Spec) EJBQL
• Embeddable objects referenced as Entities in Glassfish Cache
• GlassFish cache refresh
• Using User Transaction in a Bean using CMT
• Context Root for war file name starting with number
• Session Bean and Component Inheritance
• taglib-location

WebSphere -> GlassFish Migration Issues

• Invalid URL Pattern in <servlet-mapping> in web.xml
• extendedDocumentRoot - sharing of tag files between web apps
• Verification Tools for Migration To GlassFish

WebLogic -> GlassFish Migration Issues

• Package import in JSP page
• WebLogic's QL Extensions for EJB
• Case Sensitivity of JSP tags/attributes
• Sharing classes using APP-INF
• printNulls (empty vs "null" strings)
• Split Directory To ear file

Tomcat -> GlassFish Migration Issues

• Custom Valve
• Leading/trailing spaces in URL
• java.lang.AbstractMethodError on JSP page access
• Support for context.xml
• Changes to defult-web.xml at runtime

JaxRPC -> JAX-WS Migration Issues

• Fast Infoset Content Negotiation
• Java EE Module Loading Order(I)
• Verification Tools for Migrating to GlassFish