karaf@root()> features:install hibernate-ehcache
Error executing command: Unable to resolve root: missing requirement [root] osgi.identity; osgi.identity=hibernate-ehcache; type=karaf.feature; version="[5.2.8.Final,5.2.8.Final]"; filter:="(&(osgi.identity=hibernate-ehcache)(type=karaf.feature)(version>=5.2.8.Final)(version<=5.2.8.Final))" [caused by: Unable to resolve hibernate-ehcache/5.2.8.Final: missing requirement [hibernate-ehcache/5.2.8.Final] osgi.identity; osgi.identity=slf4j.api; type=osgi.bundle; version="[1.7.7,1.7.7]"; resolution:=mandatory [caused by: Unable to resolve slf4j.api/1.7.7: missing requirement [slf4j.api/1.7.7] osgi.wiring.package; filter:="(&(osgi.wiring.package=org.slf4j.impl)(version>=1.6.0))"]]