# \[illegal\_argument\_exception\] Fielddata is disabled on text fields by default **URL:** \ **Category:** Elasticsearch\ **Created:** [June 20, 2020, 1:45am UTC](https://discuss.elastic.co/t/illegal-argument-exception-fielddata-is-disabled-on-text-fields-by-default/237891 "2020-06-20T01:45:13Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![wajika](https://avatars.discourse-cdn.com/v4/letter/w/977dab/32.png) [@wajika](https://discuss.elastic.co/u/wajika)\ **Post date:** [June 20, 2020, 1:45am UTC](https://discuss.elastic.co/t/illegal-argument-exception-fielddata-is-disabled-on-text-fields-by-default/237891/1 "2020-06-20T01:45:14Z")
I click on kibana apm ui and some errors will appear. I checked the log of kibana and found the following `> "message":"[illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [service.name] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [service.name] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [service.name] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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. (and) [illegal_argument_exception] Fielddata is disabled on text fields by default. Set fielddata=true on [host.hostname] 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."}` es log [https://paste.ubuntu.com/p/BthFC2snS3/](https://paste.ubuntu.com/p/BthFC2snS3/) logstash conf [https://paste.ubuntu.com/p/JVYgJdrDhv/](https://paste.ubuntu.com/p/JVYgJdrDhv/) ![image](https://us1.discourse-cdn.com/elastic/original/3X/d/4/d4b1c0939ff30c62db0569a599a735f32e7bd88b.png) I don't know why this problem happened suddenly ---
**Author:** ![wajika](https://avatars.discourse-cdn.com/v4/letter/w/977dab/32.png) [@wajika](https://discuss.elastic.co/u/wajika)\ **Post date:** [July 1, 2020, 3:21am UTC](https://discuss.elastic.co/t/illegal-argument-exception-fielddata-is-disabled-on-text-fields-by-default/237891/2 "2020-07-01T03:21:23Z")
The problem is solved The name of logstash output index does not match the apm template alias ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 29, 2020, 3:21am UTC](https://discuss.elastic.co/t/illegal-argument-exception-fielddata-is-disabled-on-text-fields-by-default/237891/3 "2020-07-29T03:21:23Z")
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