Re: [topshelf-discuss] Showing a modal dialog box or form when the application is not running in UserInteractive mode is not a valid operation.

[Dru Sellers]

Have you tried running the app to see why its opening a dialog box? There is a lot of System calls going on in there as well.

On Wed, Jul 1, 2015 at 3:58 PM, Scott McFadden <scott.kenda...@gmail.com> wrote:

I have an Octopus / powershell script that attempts to install my topshelf service on a given box.  I get an error that a dialog box was popped in a non-UI app (Octopus tentacle).

Unhandled Exception: System.InvalidOperationException: The installation failed, and the rollback has been performed. ---> System.InvalidOperationException: Showing a modal dialog box or form when the application is not running in UserInteractive mode is not a valid operation. Specify the ServiceNotification or DefaultDesktopOnly style to display a notification from a service application.

Error    15:51:06

   at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)

Error    15:51:06

   at System.Windows.Forms.Form.ShowDialog()

Error    15:51:06

   at System.ServiceProcess.ServiceProcessInstaller.GetLoginInfo()

Error    15:51:06

   at System.ServiceProcess.ServiceProcessInstaller.get_Account()

Error    15:51:06

   at System.ServiceProcess.ServiceInstaller.Install(IDictionary stateSaver)

Error    15:51:06

   at System.Configuration.Install.Installer.Install(IDictionary stateSaver)

Error    15:51:06

   at Topshelf.Runtime.Windows.HostInstaller.Install(IDictionary stateSaver)

Error    15:51:06

   at System.Configuration.Install.Installer.Install(IDictionary stateSaver)

Error    15:51:06

   at System.Configuration.Install.TransactedInstaller.Install(IDictionary savedState)

Error    15:51:06

   --- End of inner exception stack trace ---

Error    15:51:06

   at System.Configuration.Install.TransactedInstaller.Install(IDictionary savedState)

Error    15:51:06

   at Topshelf.Runtime.Windows.HostServiceInstaller.InstallService(Action`1 beforeInstall, Action`1 afterInstall, Action`1 beforeRollback, Action`1 afterRollback)

Error    15:51:06

   at Topshelf.Runtime.Windows.WindowsHostEnvironment.InstallService(InstallHostSettings settings, Action beforeInstall, Action afterInstall, Action beforeRollback, Action afterRollback)

Error    15:51:06

   at Topshelf.Hosts.InstallHost.Run()

Error    15:51:06

   at TopShelf.HostRunner.TopShelfHostRunner.Run(IWindsorContainer container, String serviceName, String serviceDisplayName, String serviceDescription, Action`1 hostConfigAction) i

Here is the relevant piece of my powershell script:

# try and install / update the service by name

$service = Get-Service $ServiceName -ErrorAction SilentlyContinue

$fullPath = Resolve-Path $ServiceExecutable

Write-Host "fullPath = $fullPath"

if (! $service)

{

    #TODO: consider adding support for user/password. See http://topshelf.readthedocs.org/en/latest/overview/commandline.html

    Write-Host "The service will be installed."

& "$fullPath" "install" | Write-Host

}

else

{

    Write-Host "The service will be stopped and reconfigured."

& "$fullPath" "stop" | Write-Host

    & "sc.exe" config $service.Name binPath= $fullPath start= auto | Write-Host

}

How do you prevent the topshelf installation from popping a dialog box?

thanks

scott

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[Chris Patterson]

Sounds like your service is using the interactive prompt to enter the service username/password. This is only done when the following two approaches are used:

--interactive

This runs the service installer which prompts for the credentials.

-or-

RunAsPrompt()

This is specified in the host configurator, and tells Topshelf to prompt the interactive session for credentials.