Open a Java project - Spring Boot and java.version on Maven is 11 Wait until Java Build Status is finished Hover mouse over on "Language Level" of Java Runtime at the right-bottom. It is always one of ...

Issue Type: Bug I have installed spring-boot-tool extension, it require JDK 11. I have already set java.home and java-runtime-config to use JDK 11, but I have set my env vaiable JAVA_HOME to JDK 1.8 ...

This should address any configuration problems and update the Java Runtime Environment to the latest version. First, uninstall Java as you would remove any other software on your PC.