After upgrading to zabbix 2.4.5 I have no jabber notifications. I use my own jabber server with ejabberd where I can give access for somebody who wants to test the problem.

I got this error (grep'ed by JABBER in debug log):
17086:20151026:213457.007 JABBER: In send_jabber()
17086:20151026:213457.007 JABBER: In connect_jabber() jabber_id:'[email protected]'
17086:20151026:213457.007 JABBER: In lookup_jabber() server:'server.org' port:5222
17086:20151026:213457.077 JABBER: End of lookup_jabber() real_server:'xmpp.server.org' real_port:5222
17086:20151026:213457.224 JABBER: In on_stream()
17086:20151026:213457.224 JABBER: End of on_stream()
17086:20151026:213457.224 JABBER: In on_stream()
17086:20151026:213457.224 JABBER: End of on_stream()
17086:20151026:213457.601 JABBER: End of connect_jabber():FAIL
17086:20151026:213457.601 JABBER: [[email protected]] received error [7]: [0] Success
17086:20151026:213457.602 JABBER: End of send_jabber():FAIL
17086:20151026:213457.936 JABBER: In send_jabber()