Migrating the specification level of Java EE projects

The Java™ EE upgrade wizard supports the migration from J2EE 1.2, 1.3 and 1.4 specifications to the Java EE 5.0 specification level for all Java EE module types. The wizard also supports migration from Java EE 5.0 to Java EE 6.0 specification level for all Java EE module types.

About this task

Refer to J2EE 1.3 to 1.4. specification level upgrade and J2EE 1.2 to 1.4 specification level migration for details on the migration of J2EE 1.3 and 1.2 specification level artifacts to J2EE 1.4 specification level. Using the Java EE specifications upgrade wizard, you can upgrade any Java EE 5 and pre-Java EE 5 module to Java EE 6. See the following table for more module version details:
Table 1. Java EE version numbers
Module type J2EE Java EE 5 Java EE 6
Web 2.2 2.5 3.0
EJB 1.1

You can migrate EJB 1.1 to EJB 3 or EJB 3.1, providing that there are no CMP or BMP beans (EJB 1. x and 2. x projects with CMP or BMP beans can be left as is in a Java EE EAR).

 3.0 3.1
JCA 1.0 1.5 1.6
EAR 1.2 5.0 6.0
Application Client 1.2 5.0 6.0

For more information, see EJB 3.0 module considerations

Note: Before using the Java EE upgrade wizard, it is recommended that you take the following steps:
  • Back up your entire workspace.
  • If you are working with a shared repository, check out or lock all corresponding projects.

Procedure

  1. In the Enterprise Explorer view of the Java EE perspective, right-click the enterprise application project that you want to upgrade.
  2. Right-click the project that you want to upgrade, and select Java EE > Specifications Upgrade wizard.
  3. Follow the instructions on the Java EE Specifications Upgrade wizard Welcome Page before proceeding with the migration process, and click Next.
    Migration instructions
  4. In the J2EE version field, select the Java EE version level you want to upgrade to, and click Next.
  5. Select the modules you want to upgrade, and click Finish. Modifications made by the migration process:
    • Increases the version level of the project facet:
      • Before migration:
        Project facets before migration
      • After migration:
        Project facets after migration
    • Converts .xmi files from older Java specification levels into .xml files:
      • Before migration:
        xmi file
      • After migration:
        xml file
    Modifications not made by the migration process:
    • Migration does not create new EJB 3.0 or EJB 3.1 business interfaces.
    • Migration does not convert deployment descriptor values into Java EE annotations within your Java code.
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