Sometimes, I import a existing Maven project into Eclipse and I get some compile errors related to "pom.xml", "facet version of Web", and so on. It was really frustrating me because I even cleaned, built and updated the project many times but the errors still occurred. I accidentally found the following steps to resolve this issue but honestly I still don't know why. Step 1 : Delete the project that met the compile errors in Eclipse, but don't delete it on disk. Step 2 : Open the project (by Windows Explorer if you use Windows) and remove file/folder ".classpath", ".settings" and ".project" . Step 3 : Import the project back into Eclipse. ---^0^--- Maven is a build automation tool used primarily for Java projects. Eclipse is an integrated development environment (IDE).
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