output: #fixed code
                                  public Class<? extends Deserializer> getDeserializerClass(final String jarName, final String classpath) throws LoaderException {
          try {
              final String absolutePath = getPathForJar(jarName).toString();
              final URL jarUrl = new URL("file://" + absolutePath);
              final ClassLoader pluginClassLoader = new PluginClassLoader(jarUrl);
              return getDeserializerClass(pluginClassLoader, classpath);
          } catch (MalformedURLException exception) {
              throw new LoaderException("Unable to load jar " + jarName, exception);
          }
      }
input: #vulnerable code 
                                  public Class<? extends Deserializer> getDeserializerClass(final String jarName, final String classpath) throws LoaderException {
          try {
              final String absolutePath = getPathForJar(jarName).toString();
              final URL jarUrl = new URL("file://" + absolutePath);
              final ClassLoader pluginClassLoader = new PluginClassLoader(jarUrl);
              final Class loadedClass = pluginClassLoader.loadClass(classpath);
  
              if (!Deserializer.class.isAssignableFrom(loadedClass)) {
                  throw new WrongImplementationException("Class does not implement " + Deserializer.class.getName(), null);
              }
  
              return loadedClass;
          } catch (MalformedURLException exception) {
              throw new LoaderException("Unable to load jar " + jarName, exception);
          } catch (ClassNotFoundException exception) {
              throw new UnableToFindClassException("Unable to find class " + classpath + " in jar " + jarName, exception);
          }
      } 
                              #location 6 
                              #vulnerability type RESOURCE_LEAK