src/main/java/org/codehaus/mojo/exec/ExecJavaMojo.java
private ClassLoader getClassLoader()
        throws MojoExecutionException
    {
        List<Path> classpathURLs = new ArrayList<>();
        this.addRelevantPluginDependenciesToClasspath( classpathURLs );
        this.addRelevantProjectDependenciesToClasspath( classpathURLs );
        this.addAdditionalClasspathElements( classpathURLs );
        
        try
        {
            return LoaderFinder.find( classpathURLs, mainClass );
        }
        catch ( NullPointerException | IOException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }

    }
private ClassLoader getClassLoader()
        throws MojoExecutionException
    {
        List<Path> classpathURLs = new ArrayList<>();
        this.addRelevantPluginDependenciesToClasspath( classpathURLs );
        this.addRelevantProjectDependenciesToClasspath( classpathURLs );
        this.addAdditionalClasspathElements( classpathURLs );
        
        try
        {
            return LoaderFinder.find( classpathURLs, mainClass );
        }
        catch ( NullPointerException | IOException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }

    }
private ClassLoader getClassLoader ( ) throws MojoExecutionException { List < Path > classpathURLs = new ArrayList <> ( ) ; this . addRelevantPluginDependenciesToClasspath ( classpathURLs ) ; this . addRelevantProjectDependenciesToClasspath ( classpathURLs ) ; this . addAdditionalClasspathElements ( classpathURLs ) ; try { return LoaderFinder . find ( classpathURLs , mainClass ) ; } catch ( NullPointerException | IOException e ) { throw new MojoExecutionException ( e . getMessage ( ) , e ) ; } }
Set up a classloader for the execution of the main class.

@return the classloader
@throws MojoExecutionException if a problem happens
Set up a classloader for the execution of the main class .