问题
I'm getting the following error while installing the checkstyle plug-in through eclipse market place.
Error:
Unable to read repository at https://checkstyle.github.io/eclipse-cs/update/content.xml. sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
please any one help me !!! Thanku
来源：https://stackoverflow.com/questions/50999593/eclipse-plugin-checkstyle