[Eclipse] PropertiesEditor Unable to read repository 오류

Unable to read repository at 
http://propedit.sourceforge.jp/eclipse/updates/content.xml. 
PKIX path building failed: 
sun.security.provider.certpath.SunCertPathBuilderException: 
unable to find valid certification path to requested target

 

http://osdn.net/projects/propedit/storage/eclipse/updates/

Help > Install New Software > Add

Location에 http://propedit.sourceforge.jp/eclipse/updates가 아닌 http://osdn.net/projects/propedit/storage/eclipse/updates로 로 작성