Unable to fetch data from kibana collector

Elastic Stack Kibana
1

I'm Running Kibana on Docker and seeing quite a lot following message in my logs:

Unable to fetch data from kibana collector

Please advise.

2

Hey @alexus, is there an error printed before you see this message?

3

my logs are flooded with that message, one after another...

4

@alexus which version of Kibana are you running?

5

6.3.1

6

Hi @alexus,

Can you double check the log or paste the entire log in here? From reading the code, the error should be logged as well.

7

Seeing this in 6.3.2 as well:

Aug  9 13:42:38 sof-elk kibana: {"type":"error","@timestamp":"2018-08-09T13:42:38Z","tags":["warning","monitoring-ui","kibana-monitoring"],"pid":772,"level":"error","error":{"message":"[illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [type] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.","name":"Error","stack":"[illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [type] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead. :: {\"path\":\"/.kibana/_search\",\"query\":{\"ignore_unavailable\":true,\"filter_path\":\"aggregations.types.buckets\"},\"body\":\"{\\\"size\\\":0,\\\"query\\\":{\\\"terms\\\":{\\\"type\\\":[\\\"dashboard\\\",\\\"visualization\\\",\\\"search\\\",\\\"index-pattern\\\",\\\"graph-workspace\\\",\\\"timelion-sheet\\\"]}},\\\"aggs\\\":{\\\"types\\\":{\\\"terms\\\":{\\\"field\\\":\\\"type\\\",\\\"size\\\":6}}}}\",\"statusCode\":400,\"response\":\"{\\\"error\\\":{\\\"root_cause\\\":[{\\\"type\\\":\\\"illegal_argument_exception\\\",\\\"reason\\\":\\\"Fielddata is disabled on text fields by default. Set fielddata=true on [type] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.\\\"}],\\\"type\\\":\\\"search_phase_execution_exception\\\",\\\"reason\\\":\\\"all shards failed\\\",\\\"phase\\\":\\\"query\\\",\\\"grouped\\\":true,\\\"failed_shards\\\":[{\\\"shard\\\":0,\\\"index\\\":\\\".kibana\\\",\\\"node\\\":\\\"o_9gbcK8T_OhzcexvXzrmA\\\",\\\"reason\\\":{\\\"type\\\":\\\"illegal_argument_exception\\\",\\\"reason\\\":\\\"Fielddata is disabled on text fields by default. Set fielddata=true on [type] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.\\\"}}],\\\"caused_by\\\":{\\\"type\\\":\\\"illegal_argument_exception\\\",\\\"reason\\\":\\\"Fielddata is disabled on text fields by default. Set fielddata=true on [type] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.\\\",\\\"caused_by\\\":{\\\"type\\\":\\\"illegal_argument_exception\\\",\\\"reason\\\":\\\"Fielddata is disabled on text fields by default. Set fielddata=true on [type] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.\\\"}}},\\\"status\\\":400}\"}\n    at respond (/usr/share/kibana/node_modules/elasticsearch/src/lib/transport.js:307:15)\n    at checkRespForFailure (/usr/share/kibana/node_modules/elasticsearch/src/lib/transport.js:266:7)\n    at HttpConnector.<anonymous> (/usr/share/kibana/node_modules/elasticsearch/src/lib/connectors/http.js:159:7)\n    at IncomingMessage.bound (/usr/share/kibana/node_modules/elasticsearch/node_modules/lodash/dist/lodash.js:729:21)\n    at emitNone (events.js:111:20)\n    at IncomingMessage.emit (events.js:208:7)\n    at endReadableNT (_stream_readable.js:1064:12)\n    at _combinedTickCallback (internal/process/next_tick.js:138:11)\n    at process._tickDomainCallback (internal/process/next_tick.js:218:9)"},"message":"[illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [type] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."}
Aug  9 13:42:38 sof-elk kibana: {"type":"log","@timestamp":"2018-08-09T13:42:38Z","tags":["warning","monitoring-ui","kibana-monitoring"],"pid":772,"message":"Unable to fetch data from kibana collector"}
8

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