what is headless option in packer's JSON file

[dp]

Hi,

i would like to know about headless option in packer's JSON file.

i am validating below JSON file which returns  error " Template validation failed. Errors are shown below.

Errors validating build 'parallels-iso'. 1 error(s) occurred:

* unknown configuration key: "headless"

"

how can i resolve this issue:

JSON file content

{

"builders": [

   {

"type": "parallels-iso",

 "iso_url": "/Users/ldk-qa/Desktop/en_windows_7_enterprise_with_sp1_x64_dvd_u_677651.ISO",

     "iso_checksum_type": "md5",

     "iso_checksum": "458ff91f8abc21b75cb544744bf92e6a",

     "headless": false,

     "boot_wait": "2m",

     "ssh_username": "vagrant",

     "ssh_password": "vagrant",

     "ssh_wait_timeout": "6h",

 "shutdown_command": "shutdown /s /t 10 /f /d p:4:1 /c \"Packer Shutdown\"",

     "guest_os_type": "win-7",

     "parallels_tools_flavor": "win",

     "prlctl": [

       ["set", "{{.Name}}", "--memsize", "1024"],

       ["set", "{{.Name}}", "--cpus", "2"]

      ],  

     "floppy_files": [

       "./answer_files/2012_r2/Autounattend.xml",

       "./scripts/microsoft-updates.bat",

       "./scripts/win-updates.ps1",

       "./scripts/openssh.ps1"

     ]

   }

],

 "provisioners": [

   {

     "type": "shell",

     "remote_path": "/tmp/script.bat",

     "execute_command": "{{.Vars}} cmd /c C:/Windows/Temp/script.bat",

     "scripts": [

       "./scripts/vm-guest-tools.bat",

       "./scripts/vagrant-ssh.bat",

       "./scripts/enable-rdp.bat",

       "./scripts/compile-dotnet-assemblies.bat",

       "./scripts/disable-auto-logon.bat",

       "./scripts/compact.bat"

     ]

   },

   {

     "type": "shell",

     "inline": [

       "rm -rf /tmp/*"

     ]

   }

 ],

 "post-processors": [

   {

     "type": "vagrant",

     "keep_input_artifact": false,

     "output": "windows_7{{.Provider}}.box",

     "vagrantfile_template": "vagrantfile-windows_7.template"

   }

 ]

}

[Rickard von Essen]

Remove the line:

 "headless": false,

and your ok

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[dp]

Thanks, got the point.

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