# Courier Fetch: 10 of 185 shards failed

**URL:** <https://discuss.elastic.co/t/courier-fetch-10-of-185-shards-failed/38558>\
**Category:** Elasticsearch\
**Created:** [January 6, 2016, 11:15pm UTC](https://discuss.elastic.co/t/courier-fetch-10-of-185-shards-failed/38558 "2016-01-06T23:15:43Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![constantino](https://avatars.discourse-cdn.com/v4/letter/c/53a042/32.png) [@constantino](https://discuss.elastic.co/u/constantino)\
**Post date:** [January 6, 2016, 11:15pm UTC](https://discuss.elastic.co/t/courier-fetch-10-of-185-shards-failed/38558/1 "2016-01-06T23:15:44Z")

</div>

Hello, I have this problem when i connetc to elasticsearch from Kibana,

Courier Fetch: 10 of 185 shards failed.

I not can solve problem,

I add this line to file elasticsearch.in.sh

ES\_HEAP\_SIZE=3G

but it not solve the problem

Help me thanks!!!

![](https://us1.discourse-cdn.com/elastic/original/2X/f/f87df095e6d35d718e23b87d95022f32d4bd5c46.png)

---

<div class="post-metadata">

**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:** [January 7, 2016, 12:34am UTC](https://discuss.elastic.co/t/courier-fetch-10-of-185-shards-failed/38558/2 "2016-01-07T00:34:04Z")

</div>

Check your ES logs, there should be more explaining why there.

---

<div class="post-metadata">

**Author:** ![constantino](https://avatars.discourse-cdn.com/v4/letter/c/53a042/32.png) [@constantino](https://discuss.elastic.co/u/constantino)\
**Post date:** [January 8, 2016, 12:43am UTC](https://discuss.elastic.co/t/courier-fetch-10-of-185-shards-failed/38558/3 "2016-01-08T00:43:46Z")

</div>

Ok ok i have one error how: Not Mapping default ...

I did not find the solution

I had to reinstall everything,  
I hope not happen again

thansk

---

<div class="post-metadata">

**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:** [January 8, 2016, 1:14am UTC](https://discuss.elastic.co/t/courier-fetch-10-of-185-shards-failed/38558/4 "2016-01-08T01:14:03Z")

</div>

If you provided the complete error we probably could have helped with a solution that didn't involve reinstalling.

---

<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 5, 2017, 11:26pm UTC](https://discuss.elastic.co/t/courier-fetch-10-of-185-shards-failed/38558/5 "2017-07-05T23:26:14Z")

</div>