# Fix log4j ：upgrade ES version OR replace log4j.jar to 2.17.2

**URL:** https://discuss.elastic.co/t/fix-log4j-upgrade-es-version-or-replace-log4j-jar-to-2-17-2/302786
**Category:** Elasticsearch
**Created:** [April 20, 2022, 9:29am UTC](https://discuss.elastic.co/t/fix-log4j-upgrade-es-version-or-replace-log4j-jar-to-2-17-2/302786 "2022-04-20T09:29:57Z")
**Posts on this page:** 1
**Showing post:** 2

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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: [April 20, 2022, 9:33am UTC](https://discuss.elastic.co/t/fix-log4j-upgrade-es-version-or-replace-log4j-jar-to-2-17-2/302786/2 "2022-04-20T09:33:02Z")

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Have a look at [this thread](https://discuss.elastic.co/t/replace-log4j-from-2-x-to-2-17-0-or-later/292897).

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_[View the full topic](https://discuss.elastic.co/t/fix-log4j-upgrade-es-version-or-replace-log4j-jar-to-2-17-2/302786)._