There is a small button in the upper right corner of the Project Explorer on the left side of your Eclipse. When the mouse is moved up, it will prompt "View Menu".
You click it and select "Customize View..." in the pop-up context menu to pop up a dialog box.
You click it and select "Customize View..." in the pop-up context menu to pop up a dialog box.
You choose: Content Tab, remove the useless J2EE WEB loading descriptor in it.
https://blog.csdn.net/wd4java/article/details/46355839