Puppet recipe for installing Java8 on Debian

manifest.pp

class oracle_java8 {

  # This follows the recipe from http://blog.nocturne.net.nz/devops/2013/08/14/provisioning-oracle-java-with-puppet-apply/
  # adapted with the instructions from http://www.webupd8.org/2014/03/how-to-install-oracle-java-8-in-debian.html

  # define a variable for the webupd8team ppa sources list
  $webupd8src = '/etc/apt/sources.list.d/webupd8team.list'

  exec {'hello':
    unless => "/bin/true",
    command => '/bin/echo hello world',
  }

  # Configure ppa
  file { $webupd8src:
    content => "deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main\ndeb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main\n",
    } ->
    # Authorise the webupd8 ppa
    # At the time of writing this key was correct, but check the PPA page on launchpad!
    # https://launchpad.net/~webupd8team/+archive/java
    exec { 'add-webupd8-key':
      unless => "apt-key list | grep -c EEA14886 2>/dev/null",
      command => 'apt-key adv --keyserver keyserver.ubuntu.com --recv-keys EEA14886',
      path => ['/usr/bin/','/bin/'],
      } ->
      # update the apt keystore
      exec { 'apt-key-update':
        unless => "update-alternatives --list java|grep java-8-oracle 2>/dev/null",
        command => 'apt-key update',
        path => ['/usr/bin/','/bin/'],
        } ->
        # update apt sources
        exec { 'apt-update':
          unless => "update-alternatives --list java|grep java-8-oracle 2>/dev/null",
          command => 'apt-get update',
          path => ['/usr/bin/','/bin/'],
          } ->
          # set license acceptance with debconf
          exec { 'accept-java-license':
            unless => "update-alternatives --list java|grep java-8-oracle 2>/dev/null",
            command => 'echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selections',
            path => ['/usr/bin/','/bin/'],

            } ~>
            # finally install the package
            # oracle-java6-installer and oracle-java7-installer also available from the ppa
            package { 'oracle-java8-installer':
              ensure => present,
            }
}

The execution fails at line 23. To fix it, replace command with:
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886