Works for me for all modules, except forge, which fails with error

Failed to execute goal org.jboss.forge.furnace:furnace-maven-plugin:2.0.0.Beta4:addon-install (deploy-addons) on project org.jboss.tools.forge2.runtime: Execution deploy-addons of goal org.jboss.forge.furnace:furnace-maven-plugin:2.0.0.Beta4:addon-install failed: org.eclipse.aether.resolution.DependencyResolutionException: Failure to find org.jboss.forge.addon:core:jar:forge-addon:2.0.0.Beta4 in http://maven.repository.redhat.com/techpreview/all/ was cached in the local repository, resolution will not be reattempted until the update interval of redhat-techpreview-all-repository has elapsed or updates are forced -> [Help 1]