Correct transaction management. cf. bug https://openrdf.atlassian.net/browse/SES-2295 and tomcat default management of PUT request with form data (application/x-www-form-urlencoded encoded)

concat { '/tmp/concat':
  ensure => present,
  force  => true,
  owner  => 'root',
  group  => 'root',
  mode   => '0644',
}