[Solved] Error: Required parameter 'host' missing

Icinga Web
1

Hi,

While navigating through Icinga Web 2 interface I could see errors while trying to open link like “Show detailed information on host gw” (http://icinga/monitoring/host/show?host=gw). The following is shown in browser window:

Required parameter 'host' missing

#0 /usr/share/icingaweb2/modules/monitoring/application/controllers/HostController.php(30): Icinga\Web\UrlParams->getRequired()
#1 /usr/share/php/Icinga/Web/Controller/ActionController.php(165): Icinga\Module\Monitoring\Controllers\HostController->init()
#2 /usr/share/php/Icinga/Web/Controller/Dispatcher.php(59): Icinga\Web\Controller\ActionController->__construct()
#3 /usr/share/icingaweb2/library/vendor/Zend/Controller/Front.php(937): Icinga\Web\Controller\Dispatcher->dispatch()
#4 /usr/share/php/Icinga/Application/Web.php(304): Zend_Controller_Front->dispatch()
#5 /usr/share/php/Icinga/Application/webrouter.php(107): Icinga\Application\Web->dispatch()
#6 /usr/share/icingaweb2/public/index.php(4): require_once(String)
#7 {main}

Icinga 2 is running on Ubuntu 20.04 LTS. All Icinga Web 2 modules are 2.9.5-1.focal version (installed from packages).

I checked topics and other sites but found nothing regarding this version of Icinga Web 2. What needs to be fixed?

  • Icinga Web 2 version: 2.9.5-1.focal
  • Used modules and their versions: (monitoring 2.9.5)
  • Web browser used: Firefox 97.0
  • Icinga 2 version used: 2.13.2-1.focal
  • PHP version used: 7.4.3
  • Server operating system and version: Ubuntu 20.04 LTS (focal)

Regards

2

Since the parameter is there, I’d suspect some rewrite rules of the webserver to be the cause here. You should check your server configuration which may be responsible for this.

3

Thank you a lot! The problem was there (nginx configuration):

  location / {
    try_files $uri /index.php;
  }

I changed it to

  location / {
    try_files $uri /index.php$is_args$args;
  }

and things are fine now.