hadoop1.x异常

可能是存在class冲突

http://stackoverflow.com/questions/25130799/hadoop-java-io-ioexception-call-to-localhost-127-0-0-154310-failed-on-local

解决方法:

直接换了hadoop jar,使用了hadoop安装目录下的hadoop-core-0.20.2-CDH3B4.jar

原文地址:https://www.cnblogs.com/liuxinan/p/5251809.html