The Maven error “release version 25 not supported” (or 21, 27) means the JDK that runs javac is older than maven.compiler.release. Learn how to check it with mvn -v and fix it with JAVA_HOME, toolchains, IntelliJ IDEA, GitHub Actions, Docker or Gradle, plus the maven-compiler-plugin setup for Java 21 and 25.
Learn to configure the Java compiler version in a Maven project and a Spring boot application using Maven as a build tool.
Learn to use the Maven assembly plugin for creating executable Jar files with dependencies, its various goals, descriptors using an example.
Learn how to run testng suites and classes in this testng maven surefire plugin example. Learn to include and exclude tests from suites.
I have been facing this issue from quite long time as I didn’t took care of it. Everytime I faced this issue, I just went and changed the project compiler level for projects facets menu in eclipse. Today, I decided to end this for all. This error looks like in …
Suppose you had created and maintained your project from maven for long time, but now you have instructions to move it to ant build environment. Well, it does not look easy, but it really is very much. All you need to use if maven ant plugin which is specifically only …
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