Debian 9 sunstone missing rack-protection

[kazh000]

OS: Debian 9
OpenNebula package: opennebula-sunstone 5.8.0-1

The issue appears after upgrading from 5.6.x
Error log:
/usr/lib/ruby/2.3.0/rubygems/dependency.rb:319:in to_specs': Could not find 'rack-protection' (~> 1.4) among 69 total gem(s) (Gem::LoadError) Checked in 'GEM_PATH=/var/lib/one/.gem/ruby/2.3.0:/var/lib/gems/2.3.0:/usr/lib/x86_64-linux-gnu/rubygems-integration/2.3.0:/usr/share/rubygems-integration/2.3.0:/usr/share/rubygems-integration/all', execute gem envfor more information from /usr/lib/ruby/2.3.0/rubygems/specification.rb:1442:inblock in activate_dependencies'
from /usr/lib/ruby/2.3.0/rubygems/specification.rb:1431:in each' from /usr/lib/ruby/2.3.0/rubygems/specification.rb:1431:in activate_dependencies'
from /usr/lib/ruby/2.3.0/rubygems/specification.rb:1413:in activate' from /usr/lib/ruby/2.3.0/rubygems.rb:196:in rescue in try_activate'
from /usr/lib/ruby/2.3.0/rubygems.rb:193:in try_activate' from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:125:in rescue in require'
from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:40:in require' from /usr/lib/one/sunstone/sunstone-server.rb:88:in

'

[vholer]

Most likely you didn't run properly /usr/share/one/install_gems after upgrade:
http://docs.opennebula.org/5.8/intro_release_notes/upgrades/upgrade_56.html#installation-of-new-version