How to solve the problem of Tomcat startup failure in CentOS

The Tomcat service deployed on the Linux server usually needs to be restarted when the project is updated, but Tomcat may fail to start due to various reasons. This article will use the Linux distribution centOS 7 system as an example to introduce two types of Tomcat startup failures. troubleshooting ideas.

How to solve the problem of Tomcat startup failure in CentOS

Usually there are two reasons for Tomcat startup failure in CentOS:

1. Insufficient disk space

2. Tomcat port is occupied

The specific solution is as follows:

1. Check the overall disk of the server Usage (recommended learning: Linux Video Tutorial)

df -h

If the server does not have other large file storage, the high disk usage may be caused by too many log files, and you can delete some appropriately log file, and then restart Tomcat

Tomcat log file location: In the logs directory under the Tomcat installation directory

Command to check the space occupied by the Tomcat log file (enter the Tomcat directory first)

For example

du -sh /usr/tomcat8/logs

2. The Tomcat port is occupied

Check the port occupancy of Tomcat

ps -ef |grep tomcat

Check the process number such as 1333

ps aux |grep  1333

ls -l /proc/1333This command can find the absolute path of the running program

If Tomcat fails to start because the port is occupied, just close the corresponding program/process

Close the process

kill -9 1333

1333 is the process id (pid)

After the process is killed, restart Tomcat

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