您需要这两项设置-隔离的共享库和PARENT_LAST类加载器设置，才能使用自己的httpclient库.

You need both settings - isolated shared library and PARENT_LAST classloader setting to use your own httpclient libraries.

需要PARENT_LAST来覆盖服务器提供的类.

PARENT_LAST is required to override classes provided by the server.