在卸载amabri3.1.4.0后重装amabri3.1.5.0，出现如下报错
resource_management.core.exceptions.ExecutionFailed: Execution of 'hdfs --config /usr/hdp/3.1.5.0-152/hadoop/conf namenode -format -nonInteractive' returned 1. ERROR: Cannot execute /usr/hdp/3.1.4.0-315/hadoop//libexec/hdfs-config.sh. stdout: /var/lib/ambari-agent/data/output-357.txt解决
amabri3.1.4.0环境的HADOOP_HOME环境没有改成现在的 修改为现在的环境变量即可 [unicom@nn26 ~]$ echo $HADOOP_HOME /usr/hdp/3.1.4.0-315/hadoop/ [unicom@nn26 ~]$ cd /etc/profile.d [unicom@nn26 profile.d]$ ll [unicom@nn26 profile.d]$ vi hadoop.sh [unicom@nn26 profile.d]$ source /etc/profile
