# Elasticsearch Multi node WARN

**URL:** <https://discuss.elastic.co/t/elasticsearch-multi-node-warn/32227>\
**Category:** Elasticsearch\
**Created:** [October 15, 2015, 2:31am UTC](https://discuss.elastic.co/t/elasticsearch-multi-node-warn/32227 "2015-10-15T02:31:18Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![blenzkim](https://avatars.discourse-cdn.com/v4/letter/b/b4bc9f/32.png) [@blenzkim](https://discuss.elastic.co/u/blenzkim)\
**Post date:** [October 15, 2015, 2:31am UTC](https://discuss.elastic.co/t/elasticsearch-multi-node-warn/32227/1 "2015-10-15T02:31:18Z")

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Hi, All.

I configure multi node base on elasticsearch 1.4.4.

I get WARN "Caught exception while handling client http traffic, closing connection [id: 0x46a1e635, /10.58.17.243:36531 =\> /10.58.17.126:10787]  
java.lang.IllegalArgumentException: invalid version format: 127.0.0.1"

All server are same version. what's the wrong?

please, help me.

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**Author:** ![blenzkim](https://avatars.discourse-cdn.com/v4/letter/b/b4bc9f/32.png) [@blenzkim](https://discuss.elastic.co/u/blenzkim)\
**Post date:** [October 15, 2015, 2:58am UTC](https://discuss.elastic.co/t/elasticsearch-multi-node-warn/32227/2 "2015-10-15T02:58:11Z")

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I solved problem.

I set wrong unicast port.

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**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, 11:44pm UTC](https://discuss.elastic.co/t/elasticsearch-multi-node-warn/32227/3 "2017-07-05T23:44:45Z")

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