HDFSh和YARN启动异常可以尝试一下配置

vim /etc/profile

export JAVA_HOME=/usr/java/jdk1.7.0_79
export HADOOP_HOME=/dh/hadoop-2.4.1
export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$HADOOP_HOME/lib

#解决Hadoop2.4.1启动报错问题
export HADOOP_COMMON_HOME=$HADOOP_HOME
export HADOOP_DHFS_HOME=$HADOOP_HOME
export HADOOP_MAPRED_HOME=$HADOOP_HOME
export HADOOP_YARN_HOME=$HADOOP_HOME
export HADOOP_CONF_DIR=$HADOOP_HOME/etc/hadoop
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"