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1. Delete the * .war package and compiled after the war package directory rm -rf * .war
2. local war incoming packets / webapps directory
3. Enter the server tomcat / bin directory to start tomcat command: ./startup.sh
4. Go to print out logs directory service log to see there is no start or port is occupied command: tail -f catalina.out ctrl + z to exit the print log
5. If you find there is not a closed process leading tomcat can not start the process to get rid of first review process command:. Ps -ef | grep tomcat /
6. kill the process kill -9 process ID, such as: kill -9 1450
7. go to start tomcat.