# Elasticsearch Autocomplete

**URL:** <https://discuss.elastic.co/t/elasticsearch-autocomplete/89704>\
**Category:** Elasticsearch\
**Created:** [June 16, 2017, 12:05pm UTC](https://discuss.elastic.co/t/elasticsearch-autocomplete/89704 "2017-06-16T12:05:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Yashpal\_Singh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/yashpal_singh/32/43209_2.png) [@Yashpal\_Singh](https://discuss.elastic.co/u/Yashpal_Singh)\
**Post date:** [June 16, 2017, 12:05pm UTC](https://discuss.elastic.co/t/elasticsearch-autocomplete/89704/1 "2017-06-16T12:05:47Z")

</div>

I am getting below mentioned logs randomly and after some time the system is dead.

```
> at org.apache.lucene.util.automaton.Operations.topoSortStatesRecurse(Operations.java:1309) ~[lucene-core-6.4.1.jar:6.4.1 72f75b2503fa0aa4f0aff76d439874feb923bb0e - jpountz - 2017-02-01 14:43:32]

```

We are using below config:

> ```
> "number" : "5.2.1",
> "build_hash" : "db0d481",
> "build_date" : "2017-02-09T22:05:32.386Z",
> "build_snapshot" : false,
> "lucene_version" : "6.4.1"
> 
> ```

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 14, 2017, 12:05pm UTC](https://discuss.elastic.co/t/elasticsearch-autocomplete/89704/2 "2017-07-14T12:05:52Z")

</div>

Closed on July 14, 2017, 12:05pm UTC

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