From today morning i am facing given problem .


Code:
zmcontrol status
Unable to determine enabled services from ldap.
Enabled services read from cache. Service list may be inaccurate.
Host mail.mydomain.com
        antispam                Running
        antivirus               Running
        ldap                    Running
        logger                  Stopped
                zmlogswatchctl is not running
        mailbox                 Stopped
                zmmailboxdctl is not running.
        mta                     Running
        snmp                    Running
        spell                   Running
        stats                   Running
After Stop & start zmcontrol service

Code:
zmcontrol start
Host mail.mydomain.com
        Starting ldap...Done.
Unable to determine enabled services from ldap.
Enabled services read from cache. Service list may be inaccurate.
        Starting logger...Failed.
Starting logswatch...ERROR: service.FAILURE (system failure: ZimbraLdapContext) (cause: javax.net.ssl.SSLHandshakeException sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target)
zimbra logger service is not enabled!  failed.


        Starting mailbox...Done.
        Starting antispam...Done.
        Starting antivirus...Done.
        Starting snmp...Done.
        Starting spell...Done.
        Starting mta...Done.
        Starting stats...Done.
As its my production server, so please me to resolve the problem.