Scheduling downtime gives stack trace

[quentinsch]

When scheduling downtime for a host with all services checked it gives a stack trace in the UI. Although the downtime is scheduled properly.

Stack trace error:

Text of stack trace:

#0 /usr/share/icingaweb2/modules/monitoring/application/forms/Command/Object/ScheduleServiceDowntimeCommandForm.php(192): Icinga\Module\Monitoring\Command\Transport\CommandTransport->send(Object(Icinga\Module\Monitoring\Command\Object\ScheduleHostDowntimeCommand))
#1 /usr/share/icingaweb2/modules/monitoring/application/forms/Command/Object/ScheduleHostDowntimeCommandForm.php(113): Icinga\Module\Monitoring\Forms\Command\Object\ScheduleServiceDowntimeCommandForm->scheduleDowntime(Object(Icinga\Module\Monitoring\Command\Object\ScheduleHostDowntimeCommand), Object(Icinga\Web\Request))
#2 /usr/share/php/Icinga/Web/Form.php(1158): Icinga\Module\Monitoring\Forms\Command\Object\ScheduleHostDowntimeCommandForm->onSuccess()
#3 /usr/share/icingaweb2/modules/monitoring/library/Monitoring/Web/Controller/MonitoredObjectController.php(130): Icinga\Web\Form->handleRequest()
#4 /usr/share/icingaweb2/modules/monitoring/application/controllers/HostController.php(156): Icinga\Module\Monitoring\Web\Controller\MonitoredObjectController->handleCommandForm(Object(Icinga\Module\Monitoring\Forms\Command\Object\ScheduleHostDowntimeCommandForm))
#5 /usr/share/icingaweb2/library/vendor/Zend/Controller/Action.php(507): Icinga\Module\Monitoring\Controllers\HostController->scheduleDowntimeAction()
#6 /usr/share/php/Icinga/Web/Controller/Dispatcher.php(76): Zend_Controller_Action->dispatch(String)
#7 /usr/share/icingaweb2/library/vendor/Zend/Controller/Front.php(937): Icinga\Web\Controller\Dispatcher->dispatch(Object(Icinga\Web\Request), Object(Icinga\Web\Response))
#8 /usr/share/php/Icinga/Application/Web.php(300): Zend_Controller_Front->dispatch(Object(Icinga\Web\Request), Object(Icinga\Web\Response))
#9 /usr/share/php/Icinga/Application/webrouter.php(104): Icinga\Application\Web->dispatch()
#10 /usr/share/icingaweb2/public/index.php(4): require_once(String)
#11 {main}

Expected Behavior

No error at all.

Current Behavior

Produces stack trace, but executes downtime schedule as expected.

Possible Solution

Steps to Reproduce (for bugs)

1: Schedule downtime for a host with all services checked.

Context

Your Environment

• Icinga Web 2 version and modules (System - About): master (26-07-18)
• Version used (icinga2 --version): r2.9.1-1
• Operating System and version: Debian 8.11
• Enabled features (icinga2 feature list): api checker command graphite ido-mysql livestatus mainlog notification perfdata
• Config validation (icinga2 daemon -C): Validated OK

[dnsmichi]

Same as #3535 and patch in #3537

[lippserd]

Fixed with Web 2 2.6.1.