1、进入目录修改配置文件 cd /cloud/hadoop-2.2.0/etc/hadoop vim hadoop-env.sh2、加入内容(文本最后): #远程调试NameNode export HADOOP_NAMENODE_OPTS="-agentlib:jdwp=transport=dt_socket,address=8888,server=y,suspend=y" #远程调试DataNode export HADOOP_DataNode_OPTS="-agentlib:jdwp=transport=dt_socket,address=9888,server=y,suspend=y"注意其他可配置的参数：hadoop远程debug配置在/cloud/hadoop-2.2.0...