求助，并行运算出错
 

错误提示如下：The client lost connection to worker 1. This might be due to network problems, or the interactive communicating job might have errored.


程序用于训练4个阶段的adaboost分类器，第一个阶段没问题，到第二阶段就出错，有大神知道为什么吗？