Answers for "failed to execute goal [32m org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-m3:enforce [m"

Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3

<properties>
 <maven.compiler.source>1.8</maven.compiler.source>
 <maven.compiler.target>1.8</maven.compiler.target>
</properties>

Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.6.1:compile (default-compile) on project a2: Compilation failure [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

set JAVA_HOME=<ABSOLUTE_PATH_TO_JDK>