cannot start HTTP Service Jetty 5.1.2

[Sylvain Zhao]

Hi,

I just started the Felix 7.0.5 on Ubuntu. I installed the jetty 5.1.2. It
cannot start:
------------------------------
g! lb
                                            22:06:49
START LEVEL 1
   ID|State      |Level|Name
    0|Active     |    0|System Bundle (7.0.5)|7.0.5
    1|Active     |    1|jansi (1.18.0)|1.18.0
    2|Active     |    1|JLine Bundle (3.13.2)|3.13.2
    3|Active     |    1|Apache Felix Bundle Repository (2.0.10)|2.0.10
    4|Active     |    1|Apache Felix Gogo Command (1.1.2)|1.1.2
    5|Active     |    1|Apache Felix Gogo JLine Shell (1.1.8)|1.1.8
    6|Active     |    1|Apache Felix Gogo Runtime (1.1.4)|1.1.4
    8|Active     |    1|Apache Felix EventAdmin (1.6.4)|1.6.4
    9|Active     |    1|Apache Felix Configuration Admin Service
(1.9.26)|1.9.26
   21|Installed  |    1|Apache Felix Http Jetty (5.1.2)|5.1.2
g! start 21
                                            23:52:06
org.osgi.framework.BundleException: Unable to resolve
org.apache.felix.http.jetty [21](R 21.0): missing requirement
[org.apache.felix.http.jetty [21](R 21.0)] osgi.wiring.package;
(&(osgi.wiring.package=org.slf4j)(version>=1.0.0)(!(version>=3.0.0)))
Unresolved requirements: [[org.apache.felix.http.jetty [21](R 21.0)]
osgi.wiring.package;
(&(osgi.wiring.package=org.slf4j)(version>=1.0.0)(!(version>=3.0.0)))]

------------------------

I think I have to install org.slf4 bundle. Can you advise the link of the
bundle?

Thanks in adv

Sylvain