Kibana. Long text fields are not displayed

[yeryomenkom (Mykhailo Yeromenko)]

Hi!

I am observing strange behaviour when some text fields are displayed in "Discover" section and some are not. I store in this field java exception stacktraces. "exception" field from this record is displayed normally but from this not.
What can I do about it?

kibana version 7.12.0

[flash1293 (Joe Reuter)]

Can you share the mapping of your index?

[yeryomenkom (Mykhailo Yeromenko)]

Hi!

Sure.

    {
  "_routing": {
    "required": false
  },
  "numeric_detection": false,
  "dynamic_date_formats": [
    "strict_date_optional_time",
    "yyyy/MM/dd HH:mm:ss Z||yyyy/MM/dd Z",
    "yyyy-MM-dd'T'HH:mm:ss.SSSZZ"
  ],
  "dynamic": true,
  "_source": {
    "excludes": [],
    "includes": [],
    "enabled": true
  },
  "dynamic_templates": [],
  "date_detection": true,
  "properties": {
    "timestamp": {
      "index": true,
      "ignore_malformed": true,
      "store": false,
      "type": "date",
      "doc_values": true
    }
  }
}

Also a bit more context. I am storing a data using data stream. And for that data stream I am using pre-configured "logs" index template.

[matw (Matthias Wilhelm)]

Could you check if this behavior is the same if you set discover_searchFieldsFromSource to On (In Kibana's Advanced Settings)

many thx!