Can anyone confirm whether JMSAppender is used in Logstash 2.3.4 and Elasticsearch 2.3.4 ?

JMSAppender used on Logstash 2.3.4 and Elasticsearch 2.3.4

warkolm (Mark Walkom) December 19, 2021, 11:12pm 2

2.X is EOL and no longer supported. Please upgrade as a matter of urgency.

Topic		Replies	Views
Log4j vulnerability threat impact on Elasticsearch 2.3.4 and Logstash 2.3.4 Elastic Security	2	822	December 20, 2021
Log4j2 with Elasticsearch Elasticsearch	3	2478	April 28, 2017
Log4j vulnerability threat impact on Elasticsearch and Logstash versions below 5 Elasticsearch	2	1245	January 16, 2022
How do I Mitigate LOG4J CVE on Elasticsearch 7.4.0? Elasticsearch	3	613	January 4, 2023
Apache Log4j2 Remote Code Execution (RCE) Vulnerability - CVE-2021-44228 - ESA-2021-31 Security Announcements	7	347597	November 4, 2022