Maven install error: Dependency could not be resolved

by

Could not transfer artifact
org.apache.maven.plugins:maven-dependency-plugin:pom:2.8 from/to
central (http://repo.maven.apache.org/maven2): repo.maven.apache.org:
Unknown host repo.maven.apache.org

It seems like your maven cannot access remote central repository.

  • Check if you have an established internet connection.
  • Check if you can access default maven repo http://repo.maven.apache.org/maven2 in your browser.
  • Check if you have correct configuration in <repositories> and <proxies> in your your settings.xml

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