Chapter 3. Preparation for migration

Red Hat build of OpenJDK 11 includes updates and changes that might require you to re-configure your applications, which were already successfully deployed on Red Hat build of OpenJDK 8.

You can ensure an effective migration plan by reviewing the Major differences between Red Hat build of OpenJDK 8 and Red Hat build of OpenJDK 11 section and integrating the differences into your migration plan.

Red Hat provides the following tool that you can use to help with your migration tasks:

  • The Migration Toolkit for Applications (MTA), which is a specific tool that you can use to migrate Java applications from Red Hat build of OpenJDK 8 to Red Hat build of OpenJDK 11.

Additional resources