Hello, I’ve been using the logback p2 repository for some eclipse build using P2 (https://logback.qos.ch/p2/) For a few weeks ( probably January 2017, but not sure), it’s unreachable with the following error : Internal error: java.lang.RuntimeException: Failed to load p2 repository with ID 'logback' from location http://logback.qos.ch/p2/: Unable to read repository at http://logback.qos.ch/p2/content.xml. sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target -> [Help 1] org.apache.maven.InternalErrorException: Internal error: java.lang.RuntimeException: Failed to load p2 repository with ID 'logback' from location http://logback.qos.ch/p2/ Trying to access it in the browser gives a 403 error. Could you please fix this ? Thanks