Problematic template mapping

Attempt to index

curl -XPUT "http://localhost:9200/documents-2012-02-05/document/" -T ~/tmp/testdocument.json -d '
{
 "file-path" : "2012/02/05/basketball/l.nba.com/standings/xt.15250060-nba-days.xml",
 "file-creation-time" : "20120205T151456.000Z",
 "date-time" : "20120205T151700.000Z"
}
'

Error message

{"error":"MapperParsingException[mapping [date]]; nested: MapperParsingException[Trying to parse an object but has a different type [date] for [date]]; ","status":400}

Template document.json in templates dir

{
    "template_document":{
        "template":"documents-*",
        "settings":{
            "index.refresh_interval":"5s",
            "number_of_shards":1,
            "number_of_replicas":1,
            "refresh_interval":"1s",
            "index.query.default_field":"file-creation-time"
        },
        "mappings":{
            "_default_":{
                "date_detection" : 0,
                "_all":{
                    "enabled":false
                },
                "_source":{
                    "enabled":false
                }
            },
            "document":{
                "properties":{
                    "_id":{
                        "type":"string",
                        "path":"file-path"
                    },
                    "file-path":{
                        "type":"string",
                        "store":true,
                        "index":"not_analyzed",
                        "null_value":"",
                        "include_in_all":true
                    },
                    "file-creation-time":{
                        "type":"date",
                        "format":"basic_date_time",
                        "store":true,
                        "include_in_all":true
                    },
                    "date-time":{
                        "type":"date",
                        "format":"basic_date_time",
                        "store":false,
                        "include_in_all":false
                    }
                }
            }
        }
    }
}

Test file to index

{
  "file-path" : "2012/02/05/basketball/l.nba.com/standings/xt.15250060-nba-days.xml",
  "file-creation-time" : "20120205T151456.000Z",
  "date-time" : "20120205T151700.000Z"
}