Error fetching fields for index pattern abcd-* (ID: 9dffc420-9ea5-11ec-93d5-xxxxxxxxxx)

[homesh_joshi (hj)]

Hi ,

I am using kibana 7.17.0 , started getting this error "Error fetching fields for index pattern abcd-* (ID: 9dffc420-9ea5-11ec-93d5-xxxxxxxxxx) undefined Response" from today. it was working from last 2 months. it points to _request/<@https://x.x.x.x/46534/bundles/plugin/dataViews/kibana/dataViews.plugin.js:1:37078

I have gone through other post but seems I am the only one getting "undefined Response".

Please suggest how to troubleshoot this error.

Thanks,
Homesh

[bhavyarm]

Hello Homesh,

Can you please query your Elasticsearch and see if you have data?
Thanks,
Bhavya

[homesh_joshi (hj)]

Hi Bhavya,

Yes I have the data, as I also have more specific patterns which are working e.g. abcd-123-* or abcd-456-* is working. also if I try to create new pattern like abcd* it showing me loading image for timestamp field.

Thanks,
Homesh

[homesh_joshi (hj)]

Hi All,

Kindly guide on troubleshooting this issue.

Thanks,
Homesh

[homesh_joshi (hj)]

Hi All,

I enabled debug log in kibana below is the log which return 404

"type":"response","@timestamp":"2022-05-16T10:14:37+00:00","tags":,"pid":7,"method":"get","statusCode":404,"req":{"url":"/api/index_patterns/_fields_for_wildcard?pattern=abcd-%2A&meta_fields=_source&meta_fields=_id&meta_fields=_type&meta_fields=_index&meta_fields=_score","method":"get","headers":{"host":"x.x.x.x","user-agent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Firefox/91.0","accept":"/","accept-language":"en-US,en;q=0.5","accept-encoding":"gzip, deflate, br","referer":"https://x.x.x.x/dashboard1/app/management/kibana/indexPatterns/patterns/xxxxxx-11ec-93d5-b1e96804a3e4","content-type":"application/json","kbn-version":"7.17.0","sec-fetch-dest":"empty","sec-fetch-mode":"cors","sec-fetch-site":"same-origin","x-forwarded-for":"x.x.x.x","x-forwarded-host":"x.x.x.x","x-forwarded-server":"x.x.x.x","connection":"Keep-Alive"},"remoteAddress":"x.x.x.x","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Firefox/91.0","referer":"https://x.x.x.x/dashboard1/app/management/kibana/indexPatterns/patterns/xxxxx-9ea5-11ec-93d5-b1e96804a3e4"},"res":{"statusCode":404,"responseTime":41,"contentLength":410},"message":"GET /api/index_patterns/_fields_for_wildcard?pattern=abcd%2A&meta_fields=_source&meta_fields=_id&meta_fields=_type&meta_fields=_index&meta_fields=_score 404 41ms - 410.0B"}

What could be the possible reasons ?

Thanks,
Homesh

[homesh_joshi (hj)]

I Resolved this with a workaround by creating a pattern as abcd-1* as all the indexes starts with this pattern. However I still don't know why abcd-* do not able to find the fields from selected indexes.
Can you please help in finding the reason for this.

Thanks,
Homesh

[bhavyarm]

@matw / @mattkime any ideas? Thanks!

[mattkime (Matthew Kime)]

Hello @homesh_joshi -

@homesh_joshi

However I still don't know why abcd-* do not able to find the fields from selected indexes.

It would be worth getting to the bottom of this. Could you capture a har file that includes the _fields_for_wildcard request?

You could also try Field capabilities API | Elasticsearch Guide [7.17] | Elastic with the index pattern string you're attempting. It should fail in the same way. A har file might be helpful here too.