Are Interceptors in Struts2 Thread UNsafe?

Question

I understand that Struts2 Action classes are thread-safe, because the actions are put in the Value Stack. The Value Stack in turn is one part of the Action Context. Since th

Answer 1

Possibly related, the ScopeInterceptor.java class might have a thread-safety issue: Java Thread Safety Issue in Struts ScopeInterceptor class?