Idea, after you've added the web with facets, the project has become a Web project, but the content in Web. XML often turns red and an error is resolved.

Source: Internet
Author: User

This error is often due to the configuration of facets and the addition of the Web, without further configuration of the. xml file, which causes Web. XML to use the system default.

Need to further configure the Web. xml file, using our src/main/webapp/web-inf/web.xml, can generally solve the problem. Note: Web Resources directories also need to synchronize changes.

After the configuration is correct:

Idea, after you've added the web with facets, the project has become a Web project, but the content in Web. XML often turns red and an error is resolved.

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