Unfortunately, due to the uncertainty, most developers estimate many days, weeks or even months for the upgrade. If you use Spring Boot, for example, then upgrading Spring Boot might already solve most upgrade issues. It depends on various elements such as the number of dependencies and how current they are. In fact, most applications running on Java 9 or higher haven’t configured Java modules in their codebase.Įstimating the amount of work required for any upgrade can be a challenge. However, Java 9 didn’t require you to explicitly use the module system. Many developers see the Java 9 module system, AKA Jigsaw, as a big challenge. ![]() Luckily, some companies use Docker which can enable teams to upgrade those items by themselves. This is due to the required changes in the codebase and installing the latest version of Java on all the servers that build and run the application. It is perceived that upgrading to a newer version of Java may require a significant amount of work. Upgrading Is Sometimes Seen as a Challenge Doing so may also help organizations to retain existing employees and potentially attract new ones as developers are generally more eager to work on newer technologies. Keeping Java up-to-date helps to maintain a healthy application. Learn more.Įvery new Java release, especially the major ones, contains improvements such that security vulnerabilities are resolved, performance is improved and new features are added. ![]() Microsoft Azure supports your workload with abundant choices, whether you're working on a Java app, app server, or framework. Upgrading your application’s dependencies already resolves most, if not all, of these issues. From my experience, the upgrade from Java 11 to Java 17 is easier compared to the upgrade from Java 8 to Java 11.
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