journalctl -u rocketmqnamesrv.service # View error reports
As a result, baidu is a pile, which is not used indiscriminately.
Set according to your own Java environment variables
ln -s /usr/local/java/jdk1.8.0_60/bin/javac /usr/bin/javac ln -s /usr/local/java/jdk1.8.0_60/bin/jar /usr/bin/jar ln -s /usr/local/java/jdk1.8.0_60/bin/java /bin/java
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