Idea2020.2 encountered pom.xml The problem of file error report in Maven plug-in tomcat7

before baidu to find the answer, is dependent on specified in the servlets API – add provided

find their dependence has been added, did not find a solution.
red error, ali cloud warehouse can’t download the file. An error is as follows:

find file location, delete maven local repository file

solution: Specify the version information 2.2

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