Hello Guys I am getting an error while installing. Please can anybody help me.

[2yelaguresh_1989]

Description	Resource	Path	Location	Type
ArtifactDescriptorException: Failed to read artifact descriptor for org.switchyard:switchyard-api:jar:0.8.0.Final: ArtifactResolutionException: Failure to transfer org.switchyard:switchyard-api:pom:0.8.0.Final from http://repository.jboss.org/nexus/content/groups/public was cached in the local repository, resolution will not be reattempted until the update interval of jboss-public-repository has elapsed or updates are forced. Original error: Could not transfer artifact org.switchyard:switchyard-api:pom:0.8.0.Final from/to jboss-public-repository (http://repository.jboss.org/nexus/content/groups/public): connection timed out to http://repository.jboss.org/nexus/content/groups/public/org/switchyard/switchyard-api/0.8.0.Final/switchyard-api-0.8.0.Final.pom	pom.xml	/switchyard-example	line 1	Maven Dependency Problem

I have installed the switchyard in eclipse following the steps given in the guide. But I am getting this error while trying to create a project or to run the quickstarts. I am not able to move on with this issue. can anyone give a solution for this.

Along with there are many more dependency errors that appear.