See https://builds.apache.org/job/maven-box/job/maven/job/MNG-6825/16/
Changes: * http to central not supported anymore, switch to https * [MNG-6071] GetResource should return not null for custom pom * [MNG-5669] same pom.xml is read multiple times * [MNG-6562] fixed issues caused by new WARNING on default plugins All tests passed
