求助？执行hadoop namenode -format报错

执行hadoop namenode -format时报错：

DEPRECATED: Use of this script to execute hdfs command is deprecated.Instead use the hdfs command for it.

/opt/hadoop-2.8.4/bin/hdfs: line 307: /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el7_5.x86_64/bin/java: No such file or directory

我的JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el7_5.x86_64

我的profile如下：vim /etc/profile

export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el7_5.x86_64

export JRE_HOME=$JAVA_HOME/jre

export HADOOP_HOME=/opt/hadoop-2.8.4

export CLASSPATH=$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH

export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$HADOOP_HOME/bin:$PATH