Software⏱️ 2 min read📅 2026-05-31

How to Fix: Fatal error compiling: invalid target release: 1.8 -> [Help 1]

Maven compiler plugin error: invalid target release. Solution involves setting the correct Java version in the pom.xml file.

Quick Answer: Set the maven-compiler-plugin to use a compatible Java version, such as Java 11 or later, and ensure the project's build path is set to use this version.

The error message 'invalid target release: 1.8' indicates that the Java compiler is unable to find a suitable version of the Java compiler for compilation. This issue can occur due to incompatible versions of the Maven compiler plugin and the Java compiler.

🛑 Root Causes of the Error

  • The Maven compiler plugin is set to use a Java version that is not compatible with the project's target release.

✅ Best Solutions to Fix It

Method 1: Update the Maven Compiler Plugin

  1. Step 1: Open your pom.xml file and update the compiler plugin to use a compatible Java version. For example, you can use the following configuration:

Method 2: Update the Project's Build Path

  1. Step 1: Open your project in an IDE and update the build path to use a compatible Java version. You can do this by right-clicking on the project, selecting 'Properties', and then updating the compiler settings.

💡 Conclusion

By following these steps, you should be able to resolve the 'invalid target release: 1.8' error and successfully compile your project.

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