# Kibana Discover tab is not loading **URL:** https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314 **Category:** Kibana **Created:** [August 18, 2016, 5:56am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314 "2016-08-18T05:56:07Z") **Posts on this page:** 9 **Page:** 1
### Author: ![sruthi](https://avatars.discourse-cdn.com/v4/letter/s/ee7513/32.png) [@sruthi](https://discuss.elastic.co/u/sruthi) #### Post date: [August 18, 2016, 5:56am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/1 "2016-08-18T05:56:07Z")
In our dev environment kibana discover is not loading. All the other tabs are working fine. Any solutions? we have tried different time ranges. ---
### Author: ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm) #### Post date: [August 18, 2016, 6:54am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/2 "2016-08-18T06:54:40Z")
What are you seeing? Can you show an image? Have you checked the browsers developer console to see what is happening? ---
### Author: ![sruthi](https://avatars.discourse-cdn.com/v4/letter/s/ee7513/32.png) [@sruthi](https://discuss.elastic.co/u/sruthi) #### Post date: [August 18, 2016, 7:10am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/3 "2016-08-18T07:10:09Z")
![](https://us1.discourse-cdn.com/elastic/original/2X/3/32297348b92805387a8601a5965d18527ba1072f.PNG) We are getting a white screen with following error in the console. ---
### Author: ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm) #### Post date: [August 18, 2016, 7:12am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/4 "2016-08-18T07:12:14Z")
Can you check the ES logs at the same time to see if there is anything? (there should be) ---
### Author: ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist) #### Post date: [August 18, 2016, 7:12am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/5 "2016-08-18T07:12:21Z")
What version of Elasticsearch and Kibana are you using? ---
### Author: ![sruthi](https://avatars.discourse-cdn.com/v4/letter/s/ee7513/32.png) [@sruthi](https://discuss.elastic.co/u/sruthi) #### Post date: [August 18, 2016, 7:24am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/6 "2016-08-18T07:24:33Z")
Elasticsearch - 2.3.4 Kibana - 4.5.2 ---
### Author: ![sruthi](https://avatars.discourse-cdn.com/v4/letter/s/ee7513/32.png) [@sruthi](https://discuss.elastic.co/u/sruthi) #### Post date: [August 18, 2016, 7:33am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/7 "2016-08-18T07:33:06Z")
ES log error: [action.admin.indices.mapping.put] [devdata-0] failed to put mappings on indices [[.kibana]], type [search] java.lang.IllegalArgumentException: mapper [hits] cannot be changed from type [long] to [int] at org.elasticsearch.index.mapper.MappedFieldType.checkTypeName(MappedFieldType.java:234) at org.elasticsearch.index.mapper.MappedFieldType.checkCompatibility(MappedFieldType.java:246) at org.elasticsearch.index.mapper.core.NumberFieldMapper$NumberFieldType.checkCompatibility(NumberFieldMapper.java:146) at org.elasticsearch.index.mapper.FieldTypeLookup.checkCompatibility(FieldTypeLookup.java:151) at org.elasticsearch.index.mapper.FieldTypeLookup.copyAndAddAll(FieldTypeLookup.java:115) at org.elasticsearch.index.mapper.MapperService.merge(MapperService.java:340) at org.elasticsearch.index.mapper.MapperService.merge(MapperService.java:289) at org.elasticsearch.cluster.metadata.MetaDataMappingService$PutMappingExecutor.applyRequest(MetaDataMappingService.java:303) at org.elasticsearch.cluster.metadata.MetaDataMappingService$PutMappingExecutor.execute(MetaDataMappingService.java:230) at org.elasticsearch.cluster.service.InternalClusterService.runTasksForExecutor(InternalClusterService.java:468) at org.elasticsearch.cluster.service.InternalClusterService$UpdateTask.run(InternalClusterService.java:772) at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.runAndClean(PrioritizedEsThreadPoolExecutor.java:231) at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:194) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) ---
### Author: ![sruthi](https://avatars.discourse-cdn.com/v4/letter/s/ee7513/32.png) [@sruthi](https://discuss.elastic.co/u/sruthi) #### Post date: [August 22, 2016, 7:15am UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/8 "2016-08-22T07:15:50Z")
Started getting Disover after deleting .kibana index from elasticsearch. Not sure how it works though. Also not sure the reason for not loading the discover page. Also get a backup of your dashboards too since after deleting .kibana index all will be removed. ---
### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system) #### Post date: [July 6, 2017, 1:40pm UTC](https://discuss.elastic.co/t/kibana-discover-tab-is-not-loading/58314/9 "2017-07-06T13:40:43Z")