Unable to read repository at https://ceylon-lang.org/eclipse/updatesite/content.xml. Unable to read repository at https://ceylon-lang.org/eclipse/updatesite/content.xml. sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
I am following the instructions mentioned at https://ceylon-lang.org/documentation/1.3/ide/eclipse/install/ . when installing ceylon for eclipse from https://ceylon-lang.org/eclipse/updatesite/ , I encounter the following error:
Unable to read repository at https://ceylon-lang.org/eclipse/updatesite/content.xml. Unable to read repository at https://ceylon-lang.org/eclipse/updatesite/content.xml. sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
I am using eclipse 4.7 and JRE 8, as mentioned at https://ceylon-lang.org/documentation/1.3/ide/eclipse/install/ .