Chapter 10. Tomcat Upgrade
Technological changes and innovations happen at a very rapid pace. In order to accommodate the current technology requirements and serve the user with the latest technology, an upgrade of the systems is needed. The new version of the systems comes with the latest features and bug fixes, making them more stable and reliable.
In this chapter, we will discuss:
The life cycle of the upgrade process
Best practices followed by the IT industry
How to upgrade Tomcat 6 to Tomcat 7
Every organization follows their process to upgrade the servers, based on the criticality of the system. Normally, evaluation of a product is done by the Technical Architect. Based on the application's criticality, the architect defines the architecture, which needs to be followed to upgrade the application. Upgrades in production can be done only after a successful upgrade on the development server(s).
Different types of environment
There are basically four types of environments for any system in an...