# Elasticsearch log4j 2.17.0 replace

**URL:** https://discuss.elastic.co/t/elasticsearch-log4j-2-17-0-replace/292644
**Category:** Elasticsearch
**Created:** [December 22, 2021, 6:27am UTC](https://discuss.elastic.co/t/elasticsearch-log4j-2-17-0-replace/292644 "2021-12-22T06:27:47Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![qixian](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/qixian/32/97437_2.png) [@qixian](https://discuss.elastic.co/u/qixian)
#### Post date: [December 22, 2021, 6:27am UTC](https://discuss.elastic.co/t/elasticsearch-log4j-2-17-0-replace/292644/1 "2021-12-22T06:27:47Z")

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hello，I want to know whether all the Elasticsearch release version has been installed could replace the log4j 2.17.0 then rolling restart

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### Author: ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [December 22, 2021, 6:50am UTC](https://discuss.elastic.co/t/elasticsearch-log4j-2-17-0-replace/292644/2 "2021-12-22T06:50:47Z")

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Have a look at [this blog post](https://www.elastic.co/blog/new-elasticsearch-and-logstash-releases-upgrade-apache-log4j2).

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### Author: ![qixian](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/qixian/32/97437_2.png) [@qixian](https://discuss.elastic.co/u/qixian)
#### Post date: [December 22, 2021, 7:00am UTC](https://discuss.elastic.co/t/elasticsearch-log4j-2-17-0-replace/292644/3 "2021-12-22T07:00:07Z")

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ok,thanks

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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: [January 19, 2022, 7:00am UTC](https://discuss.elastic.co/t/elasticsearch-log4j-2-17-0-replace/292644/4 "2022-01-19T07:00:11Z")

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