# Aggregations don't work after upgrade (5.0 -\> 5.1) **URL:** \ **Category:** Elasticsearch\ **Created:** [December 16, 2016, 10:06pm UTC](https://discuss.elastic.co/t/aggregations-dont-work-after-upgrade-5-0-5-1/69325 "2016-12-16T22:06:27Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![jason26](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jason26/32/54948_2.png) [@jason26](https://discuss.elastic.co/u/jason26)\ **Post date:** [December 16, 2016, 10:06pm UTC](https://discuss.elastic.co/t/aggregations-dont-work-after-upgrade-5-0-5-1/69325/1 "2016-12-16T22:06:28Z")
I have a pretty basic Logstash setup putting events into Elastic Search with an index per day. The data being added is already in JSON (Suricata EVE). I don't think it gets a whole lot more basic than this. I just upgraded from 5.0 to 5.1 and then any query using an aggregation (I use term aggregations) do not return any results. If I delete todays index and restart logstash so the index gets recreated I can then again do aggregations. Is this expected? ---
**Author:** ![nik9000](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/nik9000/32/44947_2.png) [@nik9000](https://discuss.elastic.co/u/nik9000)\ **Post date:** [December 16, 2016, 10:24pm UTC](https://discuss.elastic.co/t/aggregations-dont-work-after-upgrade-5-0-5-1/69325/2 "2016-12-16T22:24:57Z")
No, it isn't expected. Do the aggregations just never return? Do you get shard errors? Is there anything in the logs? Do the mappings look particularly different for the different days? ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [January 13, 2017, 10:25pm UTC](https://discuss.elastic.co/t/aggregations-dont-work-after-upgrade-5-0-5-1/69325/3 "2017-01-13T22:25:01Z")
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