Remember that Maven can’t recognize Java_ Home problem error: Java_ HOME is not defined correctly.

After installing Java on CentOS and configuring environment variables, an error occurred while installing Maven configuring environment variables.

Error: JAVA_HOME is not defined correctly.

vim /etc/profile
export JAVA_HOME=/usr/ Java /jdk1.8.0_171

export JAVA_HOME=/usr/ Java/jdk1.8.0_17/bin/java can be changed to
0. 0 I was really helpless, a little little detail did not notice, do along while

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