using generic installer I'm getting this:

!SESSION 2012-05-15 16:20:41.506 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.6.0_31
java.vendor=Apple Inc.
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US
Framework arguments: -roaming -r jar:file:///Users/max/Downloads/jbdevstudio-product-universal-5.0.0.v201205141759M-H140-Beta3.jar!/ -d /Applications/jbdevstudiob3b/studio -p jbds -i com.jboss.jbds.all,com.jboss.jbds.testng.feature.feature.group -profileProperties org.eclipse.update.install.features=true
Command-line arguments: -roaming -r jar:file:///Users/max/Downloads/jbdevstudio-product-universal-5.0.0.v201205141759M-H140-Beta3.jar!/ -d /Applications/jbdevstudiob3b/studio -p jbds -i com.jboss.jbds.all,com.jboss.jbds.testng.feature.feature.group -profileProperties org.eclipse.update.install.features=true

!ENTRY org.eclipse.core.net 1 0 2012-05-15 16:20:46.348
!MESSAGE System property http.nonProxyHosts has been set to local|.local|169.254/16|.169.254/16 by an external source. This value will be overwritten using the values from the preferences

!ENTRY org.eclipse.equinox.p2.engine 4 4 2012-05-15 16:24:58.698
!MESSAGE An error occurred while installing the items
!SUBENTRY 1 org.eclipse.equinox.p2.engine 4 0 2012-05-15 16:24:58.698
!MESSAGE session context was:(profile=jbds, phase=org.eclipse.equinox.internal.p2.engine.phases.Install, operand=null --> [R]org.jboss.tools.ws.jaxrs.feature.feature.jar 1.2.2.v20120514-1752-H106-Beta3, action=org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions.InstallFeatureAction).
!SUBENTRY 1 org.eclipse.equinox.p2.touchpoint.eclipse 4 0 2012-05-15 16:24:58.698
!MESSAGE The artifact file for org.eclipse.update.feature,org.jboss.tools.ws.jaxrs.feature,1.2.2.v20120514-1752-H106-Beta3 was not found.