jbossts-branch417-EAP61-skipTests and jbossts-narayana-skipTests cannot resolve jboss-as dependencies

See:
http://172.17.131.2/job/jbossts-branch417-EAP61-skipTests/541/
http://172.17.131.2/job/jbossts-narayana-skipTests/135/
http://172.17.131.2/job/jbossts-narayana-skipTests/136/
http://172.17.131.2/job/jbossts-narayana-skipTests/137/

Error message on jbossts-branch417-EAP61-skipTests:
Failed to execute goal on project jboss-as-build: Could not resolve dependencies for project org.jboss.as:jboss-as-build:pom:7.2.0.Alpha1-SNAPSHOT: Could not find artifact org.jboss.as:jboss-as-core-model-test:jar:7.2.0.Alpha1-SNAPSHOT in jboss-public-repository-group (http://repository.jboss.org/nexus/content/groups/public/)

Error message on jbossts-narayana-skipTests:
Failed to execute goal on project jboss-as-build: Could not resolve dependencies for project org.jboss.as:jboss-as-build:pom:7.2.0.Alpha1-SNAPSHOT: Failure to find org.jboss.as:jboss-as-core-model-test:jar:7.2.0.Alpha1-SNAPSHOT in 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-group has elapsed or updates are forced