nacos安装后启动报错
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报错详情

which: no javac in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/install/redis6/bin:/root/bin)
readlink: 缺少操作数
Try ‘readlink --help’ for more information.
dirname: 缺少操作数
Try ‘dirname --help’ for more information.
ERROR: Please set the JAVA_HOME variable in your environment, We need java(x64)! jdk8 or later is better! !!
报错原因
未找到Java
报错解决
which Java

ll /usr/bin/java 
ll /etc/alternatives/java

配置环境变量:
vi /etc/profile
在文件最后加上:
export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.362.b08-1.el7_9.x86_64/
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH
source/etc/profile
再次执行nacos启动命令即可
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