could not read pom.xml maven pom.xml project suddenly being given, jsp file contents also throw an exception

Disclaimer: This article is a blogger original article, follow the CC 4.0 BY-SA copyright agreement, reproduced, please attach the original source link and this statement.

This link: https://blog.csdn.net/qq_41885819/article/details/100008172

sts in maven project, with all kind of normal use before, did not have time control, today suddenly thrown open a lot of wrong, pom.xml direct red cross, who can endure it. A look view problems, all the abnormality information into this jar package introduced, but there is a corresponding maven dependencies a jar.

The solution is relatively simple and crude, no problem before, now there is an exception, not a poor explanation of what caused the package, should that issue ide management. Direct some of the jar maven local repository contracted removed, so that ide re-loaded once on it.
Further, jsp of <% @ taglib prefix = "fmt " uri = "http://java.sun.com/jsp/jstl/fmt"%> and <% @ taglib uri = "http : //java.sun .com / jsp / jstl / core " prefix =" c "%> also God complaining error, the solution is to explain the maven servlet file repository folder inside the jar package to clear it, and then reloaded on it