file:/// url exception

[khoan]

I'm on es 1.7. Things blows up on file:/// URI.

$ curl -XPUT bam -d '
{
  "settings": {
    "analysis": {
      "tokenizer": {
        "url_full": {
          "type": "url",
          "allow_malformed": true
        }
      },
      "analyzer": {
        "url_full": {
          "tokenizer": "url_full"
        }
      }
    }
  },
  "mappings": {
    "events": {
      "properties": {
       "url": {
        "type": "string",
        "analyzer": "url_full"
      } 
      }
    }
  }
}'

# blows up on file:///
$ curl 'localhost:9200/bam/_analyze?analyzer=url_full&pretty' -d 'file:///escape/path/to/dream'
{
  "error" : "IllegalArgumentException[startOffset must be non-negative, and endOffset must be >= startOffset, startOffset=-1,endOffset=6]",
  "status" : 500
}

# fine for file://
$ curl 'localhost:9200/logs/_analyze?analyzer=url_full&pretty' -d 'file://operabar/escape-two'
{
  "tokens" : [ {
    "token" : "file",
    "start_offset" : 0,
    "end_offset" : 4,
    "type" : "protocol",
    "position" : 1
  }, {
    "token" : "operabar",
    "start_offset" : 7,
    "end_offset" : 15,
    "type" : "host",
    "position" : 2
  }, {
    "token" : "/escape-two",
    "start_offset" : 15,
    "end_offset" : 26,
    "type" : "path",
    "position" : 3
  }, {
    "token" : "-1",
    "start_offset" : 0,
    "end_offset" : 0,
    "type" : "port",
    "position" : 4
  }, {
    "token" : "file://operabar/escape-two",
    "start_offset" : 0,
    "end_offset" : 26,
    "type" : "whole",
    "position" : 5
  }, {
    "token" : "operabar:-1",
    "start_offset" : 0,
    "end_offset" : 0,
    "type" : "whole",
    "position" : 6
  }, {
    "token" : "file://operabar",
    "start_offset" : 0,
    "end_offset" : 15,
    "type" : "whole",
    "position" : 7
  } ]
}