# org.elasticsearch.hadoop.rest.EsHadoopNoNodesLeftException: Connection error (check network and/or proxy settings)- all nodes failed; tried \[\[172.24.191.234:9010, 172.24.191.231:9010, 172.24.191.233:9010\]\]

**URL:** <https://discuss.elastic.co/t/org-elasticsearch-hadoop-rest-eshadoopnonodesleftexception-connection-error-check-network-and-or-proxy-settings-all-nodes-failed-tried-172-24-191-234-9010-172-24-191-231-9010-172-24-191-233-9010/150957>\
**Category:** Elasticsearch\
**Tags:** es-hadoop\
**Created:** [October 4, 2018, 3:11am UTC](https://discuss.elastic.co/t/org-elasticsearch-hadoop-rest-eshadoopnonodesleftexception-connection-error-check-network-and-or-proxy-settings-all-nodes-failed-tried-172-24-191-234-9010-172-24-191-231-9010-172-24-191-233-9010/150957 "2018-10-04T03:11:06Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![bpaul](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bpaul/32/45225_2.png) [@bpaul](https://discuss.elastic.co/u/bpaul)\
**Post date:** [October 5, 2018, 6:57am UTC](https://discuss.elastic.co/t/org-elasticsearch-hadoop-rest-eshadoopnonodesleftexception-connection-error-check-network-and-or-proxy-settings-all-nodes-failed-tried-172-24-191-234-9010-172-24-191-231-9010-172-24-191-233-9010/150957/3 "2018-10-05T06:57:28Z")

</div>

@james.baiera . Iam glad that you showed up the courtesy to reply. MapReduce job is throwing the above given error and Map reduce job stops after a point of time. The other problem that occured is that the Elastic search Master daemon got down as the error occured.

---

_[View the full topic](https://discuss.elastic.co/t/org-elasticsearch-hadoop-rest-eshadoopnonodesleftexception-connection-error-check-network-and-or-proxy-settings-all-nodes-failed-tried-172-24-191-234-9010-172-24-191-231-9010-172-24-191-233-9010/150957)._