@Test
 public void clearClassLoaderForSystemClassLoader() throws Exception {
   BeanUtils.getPropertyDescriptors(ArrayList.class);
   assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(ArrayList.class));
   CachedIntrospectionResults.clearClassLoader(ArrayList.class.getClassLoader());
   assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(ArrayList.class));
 }
 public void reloadEvent(String typename, Class<?> aClass, String encodedTimestamp) {
   CachedIntrospectionResults.clearClassLoader(aClass.getClassLoader());
   ClassPropertyFetcher.clearClassPropertyFetcherCache();
   if (GrailsProjectWatcher.isActive()) {
     GrailsProjectWatcher.firePendingClassChangeEvents(aClass);
   }
 }
  @Test
  public void acceptAndClearClassLoader() throws Exception {
    BeanWrapper bw = new BeanWrapperImpl(TestBean.class);
    assertTrue(bw.isWritableProperty("name"));
    assertTrue(bw.isWritableProperty("age"));
    assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(TestBean.class));

    ClassLoader child = new OverridingClassLoader(getClass().getClassLoader());
    Class<?> tbClass = child.loadClass("org.springframework.tests.sample.beans.TestBean");
    assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(tbClass));
    CachedIntrospectionResults.acceptClassLoader(child);
    bw = new BeanWrapperImpl(tbClass);
    assertTrue(bw.isWritableProperty("name"));
    assertTrue(bw.isWritableProperty("age"));
    assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(tbClass));
    CachedIntrospectionResults.clearClassLoader(child);
    assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(tbClass));

    assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(TestBean.class));
  }
  @Override
  public void contextDestroyed(ServletContextEvent sce) {
    try {
      OpenFlameDataSource bean = OpenFlameSpringContext.getBean(OpenFlameDataSource.class);
      bean.close();
    } catch (SQLException e) {
      e.printStackTrace();
    }
    try {
      Scheduler scheduler = OpenFlameSpringContext.getBean(Scheduler.class);
      scheduler.shutdown();
    } catch (SchedulerException e) {
      e.printStackTrace();
    }
    Env.clean();
    JAXBContextCache.clearCaches();
    ClassFactory.cleanCache();
    CachedIntrospectionResults.clearClassLoader(getClass().getClassLoader());

    super.contextDestroyed(sce);
  }