The files are modified manually in the Tomcat runtime, but each time you restart Tomcat in Eclipse, the files in eclipse are always updated to Tomcat, similar to the restore, including uploading files to the server running directory, restarting, and deleting the uploaded folders or files. Very puzzled, at last, according to the following method, temporarily seems to be good, late to be seen. If you know the reason, you can also express your views and learn from each other.
In order for the project to be deployed by default to WebApps in the Tomcat installation directory, show View->servers-> finds the tomcat-> that needs to be modified right-click
① Stop the Tomcat server within Eclipse (stop)
② Delete the items deployed in the container (add and remove)
③ clearing the container for data (clean)
④ opening the Tomcat's modify interface (open)
⑤ Find servers location, select second (User tomcat installation)
⑥ Modifying the Deploy path to WebApps
⑦ Save Close
It is important to note that the ①②③ must be manipulated, otherwise the following steps will be grayed out.
Reference from:http://www.th7.cn/Program/java/201409/284721.shtml
Every time you restart the service in Eclipse, the folder in the running environment or the file is restored