ClearCachesApplicationListener Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/ClearCachesApplicationListener.java lines 32–54

class ClearCachesApplicationListener implements ApplicationListener<ContextRefreshedEvent> {

	@Override
	public void onApplicationEvent(ContextRefreshedEvent event) {
		ReflectionUtils.clearCache();
		clearClassLoaderCaches(Thread.currentThread().getContextClassLoader());
	}

	private void clearClassLoaderCaches(@Nullable ClassLoader classLoader) {
		if (classLoader == null) {
			return;
		}
		try {
			Method clearCacheMethod = classLoader.getClass().getDeclaredMethod("clearCache");
			clearCacheMethod.invoke(classLoader);
		}
		catch (Exception ex) {
			// Ignore
		}
		clearClassLoaderCaches(classLoader.getParent());
	}

}