This is what shows in the Eclipse log:
!ENTRY org.eclipse.equinox.p2.engine 4 4 2011-10-04 10:19:19.138
!MESSAGE An error occurred while collecting items to be installed
!SUBENTRY 1 org.eclipse.equinox.p2.engine 4 0 2011-10-04 10:19:19.138
!MESSAGE session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
!SUBENTRY 1 org.eclipse.equinox.p2.artifact.repository 4 0 2011-10-04 10:19:19.138
!MESSAGE No repository found containing: osgi.bundle,com.springsource.javax.jms,1.1.0
Thanks for the quick response.