#vulnerable code 
                             @OnClassLoadEvent(classNameRegexp = ".*", events = LoadEvent.REDEFINE, skipSynthetic = false)
	public static byte[] transformRedefinitions(final Class<?> classBeingRedefined, final byte[] classfileBuffer,
			final ClassLoader loader) throws IllegalClassFormatException, IOException, RuntimeException {
		// load the class in the pool for ClassfileSignatureComparer and JavassistProxyTransformer
		ClassPool cp = ProxyTransformationUtils.getClassPool(loader);
		CtClass cc = cp.makeClass(new ByteArrayInputStream(classfileBuffer), false);
		
		byte[] result = classfileBuffer;
		
		boolean useJavassistProxyTransformer = true;
		if (useJavassistProxyTransformer) {
			result = JavassistProxyTransformer.transform(classBeingRedefined, cc, cp, result);
		} else {
			result = JavaProxyTransformer.transform(classBeingRedefined, cc, cp, result);
		}
		return CglibProxyTransformer.transform(classBeingRedefined, cc, cp, result, loader);
	} 
                            #location 6 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                             @OnClassLoadEvent(classNameRegexp = ".*", events = LoadEvent.REDEFINE, skipSynthetic = false)
	public static byte[] transformRedefinitions(final Class<?> classBeingRedefined, final byte[] classfileBuffer,
			final ClassLoader loader) throws IllegalClassFormatException, IOException, RuntimeException {
		if (NewClassLoaderJavaProxyTransformer.isProxy(classBeingRedefined.getName())) {
			return NewClassLoaderJavaProxyTransformer.transform(classBeingRedefined, classfileBuffer, loader);
		} else if (CglibProxyTransformer.isProxy(loader, classBeingRedefined.getName())) {
			return CglibProxyTransformer.transform(classBeingRedefined, classfileBuffer, loader);
		}
		return classfileBuffer;
	}