How to solve the error report of Maven Project in Eclipse by Unknown error

This article mainly explains "how to solve the error Unknown error of Maven project in Eclipse". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Next, let the editor take you to learn "how to solve the Maven project error report Unknown error in Eclipse"!

When you create a maven project in Eclipse, the first line in the pom.xml file has a red cross. Indicates a Unknown error error.

Add the following attributes under the properties tag to solve the problem:

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