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This article mainly introduces "how to solve the problem that some nodes can not start when starting zookeeper cluster". In the daily operation, I believe that many people have doubts about how to solve the problem when some nodes report errors when zookeeper cluster starts. The editor consulted all kinds of materials and sorted out simple and useful operation methods. I hope it will be helpful for you to answer the question of how to solve the problem that some nodes reported an error when the zookeeper cluster started. Next, please follow the editor to study!

When the zookeeper cluster starts, sometimes some nodes report an error with Cannot open channel to 3 at election address, causing the node to fail to start. As follows:

To find information, there are generally three ways to deal with it, one is to configure the ip address of each host in zoo.cfg, and change the ip address of this machine to 0.0.0.0, which is not very reliable; the second is to check whether the firewall of the host is turned off (in fact, most people must know to turn off the firewall) The third is to execute. / zkServer.sh restart on the host that reported the error, which is more reliable.

At this point, the study on "how to solve the problem when some nodes failed to start up when the zookeeper cluster started" is over. I hope to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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