@master_volkov , there is an error jabberd/router: storage_mysql.so: undefined symbol: nad_print when appling your "jabberd2-add_logging_to_db.patch".
@master_volkov , there is an error add_logging_ to_db.patch" .
jabberd/router: storage_mysql.so: undefined symbol: nad_print
when appling your "jabberd2-