Fix classloader issue.
Fix classloader issue.

liuyb02/cglib,mohanaraosv/cglib,xgbj/cglib,evertrue/cglib,292388900/cglib,TopicusZorg/cglib,yseasony/cglib,HubSpot/cglib,chuz/cglib,ligzy/cglib,cglib/cglib,lukesandberg/cglib,lncosie/cglib,mcmakev/cglib,wangf111/cglib,mcculls/cglib,baishuo/cglib