#vulnerable code 
                                Map<String, List<LocalLoader>> getPathsUnchecked(final boolean export) {
        try {
            return getPaths(export);
        } catch (ModuleLoadException e) {
            throw e.toError();
        }
    } 
                            #location 3 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                                Module(final ConcreteModuleSpec spec, final ModuleLoader moduleLoader) {
        this.moduleLoader = moduleLoader;

        // Initialize state from the spec.
        identifier = spec.getModuleIdentifier();
        mainClassName = spec.getMainClass();
        fallbackLoader = spec.getFallbackLoader();
        //noinspection ThisEscapedInObjectConstruction
        final ModuleClassLoader.Configuration configuration = new ModuleClassLoader.Configuration(this, spec.getAssertionSetting(), spec.getResourceLoaders(), spec.getClassFileTransformer());
        final ModuleClassLoaderFactory factory = spec.getModuleClassLoaderFactory();
        ModuleClassLoader moduleClassLoader = null;
        if (factory != null) moduleClassLoader = factory.create(configuration);
        if (moduleClassLoader == null) moduleClassLoader = new ModuleClassLoader(configuration);
        this.moduleClassLoader = moduleClassLoader;
        final Map<String, String> properties = spec.getProperties();
        this.properties = properties.isEmpty() ? Collections.<String, String>emptyMap() : new LinkedHashMap<String, String>(properties);
    }