# 6.2.2 cannot run job: datafeed \[XXX\] cannot retrieve field \[@timestamp\] because it has no mappings

**URL:** <https://discuss.elastic.co/t/6-2-2-cannot-run-job-datafeed-xxx-cannot-retrieve-field-timestamp-because-it-has-no-mappings/141475>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-machine-learning\
**Created:** [July 25, 2018, 3:28am UTC](https://discuss.elastic.co/t/6-2-2-cannot-run-job-datafeed-xxx-cannot-retrieve-field-timestamp-because-it-has-no-mappings/141475 "2018-07-25T03:28:59Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![dao](https://avatars.discourse-cdn.com/v4/letter/d/a6a055/32.png) [@dao](https://discuss.elastic.co/u/dao)\
**Post date:** [July 25, 2018, 3:28am UTC](https://discuss.elastic.co/t/6-2-2-cannot-run-job-datafeed-xxx-cannot-retrieve-field-timestamp-because-it-has-no-mappings/141475/1 "2018-07-25T03:28:59Z")

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I found out that I could not start the job because of this message: `cannot run job: datafeed [XXX] cannot retrieve field [@timestamp] because it has no mappings`

can you explain why?

Regards,

**Here is my job:**

```auto
{
  "job_id": "egt_deident",
  "job_type": "anomaly_detector",
  "job_version": "6.2.2",
  "create_time": 1527599651174,
  "established_model_memory": 565812,
  "analysis_config": {
    "bucket_span": "1d",
    "detectors": [
      {
        "detector_description": "high_mean(MES_EGT_CORRECTED)",
        "function": "high_mean",
        "field_name": "MES_EGT_CORRECTED",
        "partition_field_name": "deident.keyword",
        "rules": [],
        "detector_index": 0
      }
    ],
    "influencers": [
      "deident.keyword"
    ]
  },
  "analysis_limits": {
    "model_memory_limit": "12mb"
  },
  "data_description": {
    "time_field": "@timestamp",
    "time_format": "epoch_ms"
  },
  "model_plot_config": {
    "enabled": true
  },
  "model_snapshot_retention_days": 1,
  "results_index_name": "shared",
  "data_counts": {
    "job_id": "egt_deident",
    "processed_record_count": 847744,
    "processed_field_count": 860734,
    "input_bytes": 47958545,
    "input_field_count": 860734,
    "invalid_date_count": 0,
    "missing_field_count": 834754,
    "out_of_order_timestamp_count": 0,
    "empty_bucket_count": 0,
    "sparse_bucket_count": 0,
    "bucket_count": 622,
    "earliest_record_timestamp": 1472724132000,
    "latest_record_timestamp": 1526435403000,
    "last_data_time": 1527599709289,
    "input_record_count": 847744
  },
  "model_size_stats": {
    "job_id": "egt_deident",
    "result_type": "model_size_stats",
    "model_bytes": 565812,
    "total_by_field_count": 19,
    "total_over_field_count": 0,
    "total_partition_field_count": 18,
    "bucket_allocation_failures_count": 0,
    "memory_status": "ok",
    "log_time": 1532480497000,
    "timestamp": 1532476800000
  },
  "datafeed_config": {
    "datafeed_id": "datafeed-egt_deident",
    "job_id": "egt_deident",
    "query_delay": "97804ms",
    "indices": [
      "test __revima__ b787__*"
    ],
    "types": [],
    "query": {
      "match_all": {
        "boost": 1
      }
    },
    "scroll_size": 1000,
    "chunking_config": {
      "mode": "auto"
    },
    "state": "stopped"
  },
  "state": "opened",
  "node": {
    "id": "K-B_fm1aQe29-eaWxtu8dQ",
    "name": "wilco-2",
    "ephemeral_id": "T_AqiQKpRZe4f1CtJFWPvA",
    "transport_address": "10.91.152.40:9300",
    "attributes": {
      "ml.machine_memory": "33515950080",
      "ml.max_open_jobs": "20",
      "ml.enabled": "true"
    }
  },
  "open_time": "4889523s"
}

```

**and the confirmation of the issue**

```auto
GET _xpack/ml/datafeeds/datafeed-egt_deident/_preview

{
  "error": {
    "root_cause": [
      {
        "type": "status_exception",
        "reason": "datafeed [datafeed-egt_deident] cannot retrieve field [@timestamp] because it has no mappings"
      }
    ],
    "type": "status_exception",
    "reason": "datafeed [datafeed-egt_deident] cannot retrieve field [@timestamp] because it has no mappings"
  },
  "status": 400
}

```

---

<div class="post-metadata">

**Author:** ![richcollier](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/richcollier/32/115035_2.png) [@richcollier](https://discuss.elastic.co/u/richcollier)\
**Post date:** [July 25, 2018, 3:06pm UTC](https://discuss.elastic.co/t/6-2-2-cannot-run-job-datafeed-xxx-cannot-retrieve-field-timestamp-because-it-has-no-mappings/141475/2 "2018-07-25T15:06:46Z")

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What do you see for:

`GET test __revima__ b787__*/_mapping`

---

<div class="post-metadata">

**Author:** ![dao](https://avatars.discourse-cdn.com/v4/letter/d/a6a055/32.png) [@dao](https://discuss.elastic.co/u/dao)\
**Post date:** [July 25, 2018, 3:50pm UTC](https://discuss.elastic.co/t/6-2-2-cannot-run-job-datafeed-xxx-cannot-retrieve-field-timestamp-because-it-has-no-mappings/141475/3 "2018-07-25T15:50:20Z")

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Thank's that was the problem, I had reindexed. The message was fooling me

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [October 30, 2018, 10:21pm UTC](https://discuss.elastic.co/t/6-2-2-cannot-run-job-datafeed-xxx-cannot-retrieve-field-timestamp-because-it-has-no-mappings/141475/4 "2018-10-30T22:21:39Z")

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