JavaPluginLoader.java 文件源码

private void removeClass(String name) {
    Class<?> clazz = classes.remove(name);

    try {
        if ((clazz != null) && (ConfigurationSerializable.class.isAssignableFrom(clazz))) {
            Class<? extends ConfigurationSerializable> serializable = clazz.asSubclass(ConfigurationSerializable.class);
            ConfigurationSerialization.unregisterClass(serializable);
        }
    } catch (NullPointerException ex) {
        // Boggle!
        // (Native methods throwing NPEs is not fun when you can't stop it before-hand)
    }
}