I followed the steps from this link: Installing a StartSSL SSL Certificate with zmcertmgr - Zimbra :: Wiki, to install my commercial certificate in my Zimbra7.1.4.
At step 5, there was a problem:
What do I to solve the problem with Jetty?
./zmcertmgr deploycrt comm /tmp/ssl.crt /tmp/ca_bundle.crt
** Verifying /tmp/ssl.crt against /opt/zimbra/ssl/zimbra/commercial/commercial.key
Enter pass phrase for /opt/zimbra/ssl/zimbra/commercial/commercial.key:
Certificate (/tmp/ssl.crt) and private key (/opt/zimbra/ssl/zimbra/commercial/commercial.key) match.
Valid Certificate: /tmp/ssl.crt: OK
** Copying /tmp/ssl.crt to /opt/zimbra/ssl/zimbra/commercial/commercial.crt
** Appending ca chain /tmp/ca_bundle.crt to /opt/zimbra/ssl/zimbra/commercial/commercial.crt
** Importing certificate /opt/zimbra/ssl/zimbra/commercial/commercial_ca.crt to CACERTS as zcs-user-commercial_ca...done.
** NOTE: mailboxd must be restarted in order to use the imported certificate.
** Saving server config key zimbraSSLCertificate...done.
** Saving server config key zimbraSSLPrivateKey...done.
** Installing mta certificate and key...done.
** Installing slapd certificate and key...done.
** Installing proxy certificate and key...done.
** Creating pkcs12 file /opt/zimbra/ssl/zimbra/jetty.pkcs12...Enter pass phrase for /opt/zimbra/ssl/zimbra/commercial/commercial.key:
XXXXX ERROR: failed to create jetty.pkcs12
unable to load certificates
140415154099880:error:0906D066:PEM routines:PEM_read_bio:bad end line:pem_lib.c:795:
I tried many times, and I typed a right same password 2 times that it was required.