We have develop a custom add on jira, which uses server sent events via async http servlet(servlet-api 3.0.1). It works fine in Jira 7.13.5, but when we upgrade our jira to 8.2.3 the servlet stopped working.
We got a following error message: java.lang.IllegalStateException: One of the plugins in the filter chain does not support async.
Is there any way to use async servlet in Jira 8.x?
We tried to extend our servlet descriptor in the atlassian-plugin.xml with the < async-supported >true< /async-supported > flag, but it’s not resolve the problem.
Atlassian dependencies versions are: