Zookeeper start failure reason search and stand-alone start zookeeper

① Zookeeper requires a java environment to run, so JDK must be installed first

   https://jingyan.baidu.com/article/2c8c281d810c830008252a06.html   Install OPENJDK

② Download and unzip

#wget http://mirrors.hust.edu.cn/apache/zookeeper/zookeeper-3.4.7/zookeeper-3.4.7.tar.gz

#tar -zxvf zookeeper-3.4.12.tar.gz

③ Choose the installation directory by yourself, then enter conf, copy zoo_sample.cfg and rename it to zoo.cfg

    cp  zoo_sample.cfg zoo.cfg

④ Edit zoo.cfg, add 2 directories in the root directory

   

⑤ Enter the zookeeper directory to create the data and logs directory

#mkdir  data 

#mkdir  logs

⑥ Enter the bin directory to enter the following content to start the program or enter sh / bin zkServer.sh start in the root directory to start

# zkServer.sh start

# zkServer.sh status View status

# zkServer.sh stop stop / close

But because the openJDK is installed, an error will be reported, how to solve cuowu

⑦. If you want to enter the command without entering the bin directory, you need to add the environment variables in the / etc / profile configuration file as follows

⑦Method to solve the error report

Solve the problem of Zookeeper cluster restart Error contacting service. It is probably not running

Enter the bin / directory to view the cause of zookeeper.out analysis

Solution

Just create a soft link.

Then execute

Performed correctly