namenode内存空间不够，JVM剩余内存空间不够新job运行所致
将hive设置成本地模式来执行任务 set hive.exec.mode.local.auto=true;
set hive.exec.mode.local.auto=true;
Hive中运行任务报错：Error during job, obtaining debugging information...
原文：https://www.cnblogs.com/zhangjiahao/p/12057577.html
