# Failed to discover master?

**URL:** <https://discuss.elastic.co/t/failed-to-discover-master/5282>\
**Category:** Elasticsearch\
**Created:** [August 30, 2011, 1:39pm UTC](https://discuss.elastic.co/t/failed-to-discover-master/5282 "2011-08-30T13:39:56Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Sam\_4](https://avatars.discourse-cdn.com/v4/letter/s/db5fbb/32.png) [@Sam\_4](https://discuss.elastic.co/u/Sam_4)\
**Post date:** [August 30, 2011, 1:39pm UTC](https://discuss.elastic.co/t/failed-to-discover-master/5282/1 "2011-08-30T13:39:56Z")

</div>

Hi

i'm using elastic search server install in Debian server.for creating  
index i used Rabbitmq river.when i start to read the message.  
my program can not discover my master[elastic server].i had made  
change on /etc/elasticsearch.yml where i mention the

network:

```
       host:192.168.21.201

```

but my program it unable to get the elastic cluster.please help me to  
resolve this problem.

Thanks

---

<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 6, 2017, 3:55am UTC](https://discuss.elastic.co/t/failed-to-discover-master/5282/2 "2017-07-06T03:55:33Z")

</div>

Closed on July 6, 2017, 3:55am UTC