[Discover] Search Bar Preview trims field names


I'm using Kibana 8.1.0 and when I try to search for certain fields in the tab "Discover", fields which are longer than a specific length are trimmed. Have a look at the Screenshot:

For Example the full name is request.RequestData.orderBasketIn.header.buyerReference but the displayed name ist just request.RequestData.orderBasketIn.

I already found an issue on Github which should be solved before my version (8.1.0).

It seems that the bug is still existing.

I'm grateful for help.


I reproduced this issue in 8.1.0 with the following index and data

PUT delete_long_field_names
  "settings": {
    "number_of_replicas": 1
  "mappings": {
    "properties": {
      "this.is.a.very.long.file.name.that.could.break.discover.search.bar": {
        "type": "text"

POST delete_long_field_names/_doc
  "this.is.a.very.long.file.name.that.could.break.discover.search.bar": "foobar"

Getting this discover autocomplete

But then I upgraded to the last version from the 8.1.x series which is 8.1.3 and it's fixed

I also tested in 8.2.3 which is the latest stable release and it's also working fine.

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