java backed webscript get HttpServletRequest and httpSession

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isy

I made a java backed web script and i want to access HttpServletRequest in order to store a variable in the http session.

Here is what i tried

public class GetValidationProgressionBean extends DeclarativeWebScript {

                @Override
      protected Map<String, Object> executeImpl(WebScriptRequest req, Status status, Cache cache) {


   
         HttpServletRequest httpReq = ((WebScriptServletRequest) req).getHttpServletRequest(); //org.alfresco.repo.web.scripts.RepositoryContainer$BufferedRequest cannot be cast to 
                        //org.springframework.extensions.webscripts.servlet.WebScriptServletRequest"  => WebScriptServletRequest wraps the HttpServletRequest

         ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes(); //returns null
         HttpServletRequest request = requestAttributes.getRequest(); //Exception due to requestAttributes = null
         HttpSession httpSession = request.getSession();

                        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.currentRequestAttributes() //No thread-bound request found: Are you referring to 
                        //request attributes outside of an actual web request, or processing a request outside of the originally receiving thread?

                        HttpSession session = ServletUtil.getSession(); //returns null
         
         …
      }
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what is the correct way ?

Thx

isy

  <java>
WebScriptSession session = req.getRuntime().getSession();
</java>

seems to do what i want