[ERROR] Failed to execute goal on project *: Could not resolve dependencies for project *:war:1.0: Failure to find org.restlet:org.restlet:jar:2.2.1 in http://maven.oschina.net/content/groups/public/ was cached in the local repository, resolution will not be reattempted until the update interval of nexus has elapsed or updates are forced -> [Help 1]

 

resolve:

http://maven.restlet.com/org/restlet/jse/org.restlet/2.2.1/

download org.restlet-2.2.1.pom

org.restlet-2.2.1.jar

and save to E:\app_data\maven\repository\org\restlet\org.restlet\2.2.1

delete org.restlet-2.2.1.pom.lastUpdated

delete E:\app_data\maven\repository\org\restlet\org.restlet\2.2.1\*.lastUpdated

please change the maven repository dir "E:\app_data\maven\repository" to yours.

now,it should be work