Failed to parse [object]

Elastic Stack Elasticsearch
1

hi. i have to admit i'm not familiar with elasticsearch but i am having a problem that i cannot seem to wrap my head around.

here is my error from elasticsearch.log

2016-04-19 20:10:46,033][DEBUG][action.bulk              ] [Bob] [graylog2_112][2] failed to execute bulk item (index) index {[graylog2_deflector][message][ccd0e100-066a-11e6-ab8e-0eebab2d0d82], source[{"application":"Website","gl2_source_node":"cbb14ac5-5cce-4951-99dd-185aa780a07f","full_message":"Item successfully added to order.","object":"{\"orderId\":\"39b9a166-6a80-4eb9-b6ec-1fe26245847b\",\"memberNumber\":\"987546\",\"itemNumber\":\"123870\",\"quantity\":1,\"specialCode\":\"\"}","version":"1.1","timestamp":"2016-04-19 20:10:45.221","message":"OrderDetailCreateSuccess","environment":"Production","level":5,"_id":"ccd0e100-066a-11e6-ab8e-0eebab2d0d82","source":"IP-0A0A005F","gl2_source_input":"55098e82e4b094e336f2f24c","streams":["55098ec4e4b094e336f2f29b"],"client_id":"client-22"}]}
org.elasticsearch.index.mapper.MapperParsingException: failed to parse [object]
	at org.elasticsearch.index.mapper.core.AbstractFieldMapper.parse(AbstractFieldMapper.java:411)
	at org.elasticsearch.index.mapper.object.ObjectMapper.serializeValue(ObjectMapper.java:706)
	at org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:497)
	at org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:544)
	at org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:493)
	at org.elasticsearch.index.shard.IndexShard.prepareIndex(IndexShard.java:492)
	at org.elasticsearch.action.bulk.TransportShardBulkAction.shardIndexOperation(TransportShardBulkAction.java:409)
	at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:148)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase.performOnPrimary(TransportShardReplicationOperationAction.java:574)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase$1.doRun(TransportShardReplicationOperationAction.java:440)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:36)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NumberFormatException: For input string: "{"orderId":"39b9a166-6a80-4eb9-b6ec-1fe26245847b","memberNumber":"987546","itemNumber":"123870","quantity":1,"specialCode":""}"
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.lang.Long.parseLong(Long.java:441)
	at java.lang.Long.parseLong(Long.java:483)
	at org.elasticsearch.common.xcontent.support.AbstractXContentParser.longValue(AbstractXContentParser.java:145)
	at org.elasticsearch.index.mapper.core.LongFieldMapper.innerParseCreateField(LongFieldMapper.java:288)
	at org.elasticsearch.index.mapper.core.NumberFieldMapper.parseCreateField(NumberFieldMapper.java:239)
	at org.elasticsearch.index.mapper.core.AbstractFieldMapper.parse(AbstractFieldMapper.java:401)
	... 13 more
2

and my template i'm using is:

curl -XGET localhost:9200/_template/templ*

{  
   "template_1":{  
      "order":0,
      "template":"graylog2_*",
      "settings":{  

      },
      "mappings":{  
         "message":{  
            "_source":{  
               "compress":true,
               "enabled":true
            },
            "dynamic_templates":[  
               {  
                  "internal_fields":{  
                     "mapping":{  
                        "index":"not_analyzed",
                        "doc_values":true
                     },
                     "match":"gl2_*"
                  }
               },
               {  
                  "store_generic":{  
                     "mapping":{  
                        "index":"not_analyzed"
                     },
                     "match":"*"
                  }
               },
               {  
                  "object":{  
                     "index":"not_analyzed",
                     "analyzer":"standard",
                     "type":"string"
                  }
               }
            ],
            "_ttl":{  
               "enabled":true
            },
            "properties":{  
               "message":{  
                  "index":"analyzed",
                  "analyzer":"standard",
                  "type":"string"
               },
               "timestamp":{  
                  "format":"yyyy-MM-dd HH:mm:ss.SSS",
                  "doc_values":true,
                  "type":"date"
               },
               "source":{  
                  "index":"analyzed",
                  "analyzer":"analyzer_keyword",
                  "type":"string"
               },
               "full_message":{  
                  "index":"analyzed",
                  "analyzer":"standard",
                  "type":"string"
               }
            }
         }
      },
      "aliases":{  

      }
   }
}