#vulnerable code 
                                public MojoExecutionService getMojoExecutionService() {
        checkBaseInitialization();
        return mojoExecutionService;
    } 
                            #location 3 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                                public MojoExecutionService getMojoExecutionService() {
        return mojoExecutionService;
    }