I had Apache/2.4.6 Server built: Jul 18 2016. I had five virtual host which fine work.192.168.40.34:80       is a NameVirtualHost     default server glpi.api.api.nnov.ru (/etc/httpd/conf.d/glpi.conf:1)     port 80 namevhost glpi.api.api.nnov.ru (/etc/httpd/conf.d/glpi.conf:1)     port 80 namevhost glpi_buh.api.api.nnov.ru (/etc/httpd/conf.d/glpi_buh.conf:1)     port 80 namevhost glpi_rek.api.api.nnov.ru (/etc/httpd/conf.d/glpi_rek.conf:1)     port 80 namevhost glpi_sales.api.api.nnov.ru (/etc/httpd/conf.d/glpi_sales.conf:1)     port 80 namevhost glpi_ts.api.api.nnov.ru (/etc/httpd/conf.d/glpi_ts.conf:1)     port 80 namevhost zabbix.api.api.nnov.ru (/etc/httpd/conf.d/zabbix.conf:5)But, after update httpd service I have three vhost don't work. Glpi_sales, glpi_ts, glpi_buh. I got Your browser sent a request that this server could not understand.Additionally, a 400 Bad Request error was encountered while trying to use an ErrorDocument to handle the request.I enabled LogLevel debug, but that did not help. List config:<VirtualHost glpi:80>      ServerAdmin ascherbakov@api.nnov.ru  ServerName glpi.api.api.nnov.ru:80  DocumentRoot /var/www/html/glpi  <Directory /var/www/html/glpi>    AuthType        Kerberos    AuthName        GLPI Login    KrbServiceName  Any    KrbAuthRealms   API.API.NNOV.RU    KrbVerifyKDC        on    KrbMethodNegotiate  on    KrbMethodK5Passwd   off    Krb5Keytab /etc/httpd/glpi.keytab    require     valid-user#   require ldap-group cn=LocalAdmin,ou=,ou=API.NNOV.RU,dc=api,DC=api,dc=nnov,dc=ru  </Directory>  ErrorLog logs/glpi.error_log  CustomLog logs/glpi.access_log common</VirtualHost><VirtualHost glpi_sales:80>      ServerAdmin ascherbakov@api.nnov.ru  ServerName glpi_sales.api.api.nnov.ru:80  DocumentRoot /var/www/html/glpi_sales  <Directory /var/www/html/glpi_sales>    AuthType        Kerberos    AuthName        GLPI Login    KrbServiceName  Any    KrbAuthRealms   API.API.NNOV.RU    KrbVerifyKDC        on    KrbMethodNegotiate  on    KrbMethodK5Passwd   off    Krb5Keytab /etc/httpd/glpi_sales.keytab    require     valid-user#   require ldap-group cn=LocalAdmin,ou=,ou=API.NNOV.RU,dc=api,DC=api,dc=nnov,dc=ru </Directory> ErrorLog logs/glpi_sales.error_log CustomLog logs/glpi_sales.access_log common</VirtualHost><VirtualHost zabbix:80>  ServerAdmin ascherbakov@api.nnov.ru  ServerName zabbix.api.api.nnov.ru:80  DocumentRoot /usr/share/zabbix  <Directory /usr/share/zabbix>    Options FollowSymLinks    AllowOverride None    Require all granted    <IfModule mod_php5.c>        php_value max_execution_time 300        php_value memory_limit 128M        php_value post_max_size 16M        php_value upload_max_filesize 16M        php_value max_input_time 300        php_value always_populate_raw_post_data -1        # php_value date.timezone Europe/Riga    </IfModule></Directory><Directory /usr/share/zabbix/conf>    Require all denied</Directory><Directory /usr/share/zabbix/app>    Require all denied</Directory><Directory /usr/share/zabbix/include>    Require all denied</Directory><Directory /usr/share/zabbix/local>    Require all denied</Directory>ErrorLog logs/zabbix.error_logCustomLog logs/zabbix.access_log commonDefault server and zabbix vhost work. How can I missing three vhosts to work?
Apache/2.4.6 (CentOS) and vhost
apache virtualhost