# Elasticsearch on AWS ECS - Master node itself unable to discover master

**URL:** <https://discuss.elastic.co/t/elasticsearch-on-aws-ecs-master-node-itself-unable-to-discover-master/256091>\
**Category:** Elasticsearch\
**Created:** [November 20, 2020, 9:05am UTC](https://discuss.elastic.co/t/elasticsearch-on-aws-ecs-master-node-itself-unable-to-discover-master/256091 "2020-11-20T09:05:07Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![DavidTurner](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/davidturner/32/22453_2.png) [@DavidTurner](https://discuss.elastic.co/u/DavidTurner)\
**Post date:** [December 3, 2020, 3:42pm UTC](https://discuss.elastic.co/t/elasticsearch-on-aws-ecs-master-node-itself-unable-to-discover-master/256091/7 "2020-12-03T15:42:31Z")

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![](https://us1.discourse-cdn.com/elastic/original/3X/0/3/03336f11af86f52d202cba8192e0f9e0ac8c1c42.jpeg)

Sorry I've no idea, it says it's looking for the other nodes at those addresses, but it's not discovering them. Perhaps there's other log messages indicating why; you could try setting `logger.org.elasticsearch.discovery: DEBUG`, perhaps that'll show some useful exceptions happening.

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