Maven discovery completed without finding any extensions
问题 I have installed eclipse 4.3 on my system and recently installed the Maven integration plugin. I get the following error: Discovery completed without finding any extensions. Please check your network connection and try again. The catalog url is http://download.eclipse.org/technology/m2e/discovery/directory-1.4.xml Note : No proxies, no network issues 回答1: There is a Java update 1.7.0_45 which fixes that problem. 回答2: I was having the same issue on Mac OS X 10.8.5 with eclipse-kepler and Java