If you meet with the following problem when you launch the tcServer in eclipse :
You can solve it like this :
(1) Go to STS workspace (If you reuse your old Eclipse workspace ,then go to your eclipse workspace)
(2) Find the server.xml under D:\Charles\Eclipse_Workspace\.metadata\.plugins\org.eclipse.wst.server.core\ folder
(3) Edit server.xml change start-timeout=”120” to some large number ,for example :1200
(4) Restart Spring Tool Suite ,then solved.