Eclipse project recompile, clear cache

Refresh
Item right click Refresh
Refresh
Item right click Maven –》 Update Project…
Clean up refresh
Item right click Team –》Refresh/cleanup
maven clear
Item right click Run AS –》 Maven build… –》 Enter the command clean compile -Dmaven.test.skip=true And implement
tomcat clear
tomcat Right click clean…
tomcat clear
tomcat Right click clean Tomcat Work Directory…
classes clear
eclipse upper project –》clean…
js Verify refresh
Item right click validate（ The project is not closed js, Refresh after troubleshooting. Use it when it doesn't work ）