RangeError: Invalid string length

Elastic Stack Kibana
1

Hi,

when i search for on an index pattern for data through discover tab, the browser waits for some time and then just crashes with 'Aw snap!' message. No error in either Kibana or Elasticsearch logs.

This is happening when i increased node js heap to 4GB to solve 'javaScript heap out of memory' error in Kibana logs.

Version: 7.3.1

The search on other index pattern seems to go through fine.

2

And sometimes Kibana just restarts with following error in logs:

tusCode":200,"responseTime":130,"contentLength":9},"message":"POST /api/monitoring/v1/clusters/B80d8UrYSbypYhtxP38vBg/kibana 200 130ms - 9.0B"}
2019-09-30T12:07:45.555505118Z /usr/share/kibana/node_modules/elasticsearch/src/lib/connectors/http.js:188
2019-09-30T12:07:45.555600816Z       response += d;
2019-09-30T12:07:45.555616313Z                   ^
2019-09-30T12:07:45.555629390Z
2019-09-30T12:07:45.555642906Z RangeError: Invalid string length
2019-09-30T12:07:45.555656095Z     at IncomingMessage.<anonymous> (/usr/share/kibana/node_modules/elasticsearch/src/lib/connectors/http.js:188:19)
2019-09-30T12:07:45.555672786Z     at IncomingMessage.emit (events.js:189:13)
2019-09-30T12:07:45.555688128Z     at addChunk (_stream_readable.js:284:12)
2019-09-30T12:07:45.555701346Z     at readableAddChunk (_stream_readable.js:261:13)
2019-09-30T12:07:45.555715619Z     at IncomingMessage.Readable.push (_stream_readable.js:220:10)
2019-09-30T12:07:45.555729647Z     at HTTPParser.parserOnBody (_http_common.js:122:22)
2019-09-30T12:07:45.555852506Z     at Socket.socketOnData (_http_client.js:442:20)
2019-09-30T12:07:45.555953753Z     at Socket.emit (events.js:189:13)
2019-09-30T12:07:45.555969007Z     at addChunk (_stream_readable.js:284:12)
2019-09-30T12:07:45.555983538Z     at readableAddChunk (_stream_readable.js:265:11)
2019-09-30T12:07:45.555997629Z     at Socket.Readable.push (_stream_readable.js:220:10)
2019-09-30T12:07:45.556011820Z     at TCP.onStreamRead [as onread] (internal/stream_base_commons.js:94:17)

I'm confused. it shows 'timeout error' when this happends in Kibana UI.

3

The above mentioned 'RangeError: Invalid string length' error is consistently occurring for a index pattern.

I have 'NODE_OPTIONS=--max_old_space_size=4096'

4

I increased heap to 8GB. Still getting same error.

5

Do you have any fields with extremely long strings? The discover page is fairly sensitive to rendering large amounts of data.

If that is the case we can truncate these or exclude them on the index patterns page.

6

I did have a extremely long field. I added it to source filter in that index pattern. It seems to have fixed the issue. Thanks!

7

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