IDEA报错:Artifact XXXX:war exploded: Error during artifact deployment

We found the problem:
image-20200807174603305
modified Artifact configuration does not solve the problem
image-20200807175151533
Check output log

to find the source Invalid <url-pattern> [updateUserServlet] in servlet mapping

turned out to be annotated configuration error, lack of /, add the phrase, problem solving

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Origin blog.csdn.net/Supreme7/article/details/107867528