[jboss-as7-dev] Error build AS7

Hi, Today I build AS7 and keep getting this error [ERROR] Failed to execute goal on project jboss-as-arquillian-protocol-servlet: Could not resolve dependencies for project org.jboss.as:jboss-as-arquillian-protocol-servlet:jar:7.0.0.Beta4-SNAPSHOT: Failed to collect dependencies for [org.jboss.arquillian.protocol:arquillian-protocol-jmx:jar:1.0.0.Alpha4.SP9 (compile), org.jboss.arquillian:arquillian-spi:jar:1.0.0.Alpha4.SP9 (compile), org.jboss.jsfunit:jboss-jsfunit-core:jar:2.0.0.Beta1 (compile), org.jboss.shrinkwrap:shrinkwrap-api:jar:1.0.0-alpha-11 (compile), org.jboss.spec.javax.servlet:jboss-servlet-api_3.0_spec:jar:1.0.0.Final (compile), org.jboss.arquillian:arquillian-api:jar:1.0.0.Alpha4.SP9 (compile), junit:junit:jar:4.8.2 (test), org.jboss.as:jboss-as-build-config:jar:7.0.0.Beta4-SNAPSHOT (compile)]: Failed to read artifact descriptor for org.jboss.shrinkwrap:shrinkwrap-api:jar:1.0.0-alpha-11: Could not transfer artifact org.jboss.shrinkwrap:shrinkwrap-api:pom:1.0.0-alpha-11 from/to jboss-public-repository-group (http://repository.jboss.org/nexus/content/groups/public/): Error transferring file: Connection refused -> [Help 1] It seems a connection broken issue but using a browser I can open this url http://repository.jboss.org/nexus/content/groups/public/org/jboss/shrinkw... or https://repository.jboss.org/nexus/content/groups/public/org/jboss/shrink... Does anybody have an idea? Thanks Howard