# JMSAppender used on Logstash 2.3.4 and Elasticsearch 2.3.4
**URL:** https://discuss.elastic.co/t/jmsappender-used-on-logstash-2-3-4-and-elasticsearch-2-3-4/292127
**Category:** Elasticsearch
**Created:** [December 16, 2021, 9:58am UTC](https://discuss.elastic.co/t/jmsappender-used-on-logstash-2-3-4-and-elasticsearch-2-3-4/292127 "2021-12-16T09:58:28Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@angshuman.ray](https://discuss.elastic.co/u/angshuman.ray)
#### Post date: [December 16, 2021, 9:58am UTC](https://discuss.elastic.co/t/jmsappender-used-on-logstash-2-3-4-and-elasticsearch-2-3-4/292127/1 "2021-12-16T09:58:28Z")
Can anyone confirm whether JMSAppender is used in Logstash 2.3.4 and Elasticsearch 2.3.4 ?
---
### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [December 19, 2021, 11:12pm UTC](https://discuss.elastic.co/t/jmsappender-used-on-logstash-2-3-4-and-elasticsearch-2-3-4/292127/2 "2021-12-19T23:12:02Z")
2.X is [EOL](https://www.elastic.co/support/eol) and no longer supported. Please upgrade as a matter of urgency.
[Apache Log4j2 Remote Code Execution (RCE) Vulnerability - CVE-2021-44228 - ESA-2021-31](https://discuss.elastic.co/t/apache-log4j2-remote-code-execution-rce-vulnerability-cve-2021-44228-esa-2021-31/291476) has more info.
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [January 16, 2022, 11:12pm UTC](https://discuss.elastic.co/t/jmsappender-used-on-logstash-2-3-4-and-elasticsearch-2-3-4/292127/3 "2022-01-16T23:12:15Z")
This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.