I am facing the same problem after upgrading to 4.0.2 from 4.0.0 GA.
Code:
[zimbra@arihant ~]$ zmzimletctl listZimlets
Installed Zimlet files on this host:
com_zimbra_date
com_zimbra_email
com_zimbra_phone
com_zimbra_url
Installed Zimlets in LDAP:
com_zimbra_amzn
com_zimbra_arcade
com_zimbra_collector
com_zimbra_date
com_zimbra_email
com_zimbra_gtranslator
com_zimbra_phone
com_zimbra_photo
com_zimbra_rss
com_zimbra_sms
com_zimbra_tracking
com_zimbra_travelagent
com_zimbra_url
com_zimbra_wikipedia
com_zimbra_xslt
com_zimbra_ymaps
com_zimbra_ytraffic
Available Zimlets in COS:
default:
com_zimbra_amzn
com_zimbra_arcade
com_zimbra_collector
com_zimbra_date
com_zimbra_email
com_zimbra_gtranslator
com_zimbra_phone
com_zimbra_photo
com_zimbra_rss
com_zimbra_sms
com_zimbra_tracking
com_zimbra_travelagent
com_zimbra_url
com_zimbra_wikipedia
com_zimbra_xslt
com_zimbra_ymaps
com_zimbra_ytraffic
[zimbra@arihant ~]$
No Zimlets. Only Folders and Tag.
Any ideas?