One problem: When you create a dynamic web project, the project file without error error
At that time Solution: Direct click the project -> properties-> project facets will jdk 1.8 version can be changed
Figure:
Second problem: Tomcat port is occupied
At that time Solution: cmd-> netstat -ano-> find 8888 corresponding PID is occupied, this is my 6604, then enter tasklist | findstr "6604".
Been occupied by the process as javaw.exe, then taskkill / f / t / im javaw.exe can be.
Question three: pringmvc.xml imported <mvc: annotation-driven /> given
At that time Solution: jdk changed to 1.8, the process as a problem.