Reverse Proxy 환경에서 WebSocket 기반 공동작업 기능 (synchrony)에러를 해결

에러

구성

+-------+     +--------+
| HTTPD | --- | TOMCAT | 
+-------+     +--------+

임시해결

공동작업 기능 해제

Confluence Admin → Collaborative Editor off

해결

synchrony-proxy 이용

CATALINA_OPTS="-Dsynchrony.proxy.enabled=true ${CATALINA_OPTS}"

참고

https://confluence.atlassian.com/doc/possible-confluence-and-synchrony-configurations-958779064.html

https://jira.atlassian.com/browse/CONFSERVER-45728

https://confluence.atlassian.com/conf74/troubleshooting-collaborative-editing-1003129611.html