Reason: The source can't be downloaded in any permitted format. # PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed # PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed # PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed # PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed # PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed # PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed