[cdi-dev] [JBoss JIRA] (CDI-452) Specify that web scoped (request, session, application) beans are injectable in async servlets

Specify that web scoped (request, session, application) beans are injectable in async servlets ---------------------------------------------------------------------------------------------- Key: CDI-452 URL: https://issues.jboss.org/browse/CDI-452 Project: CDI Specification Issues Issue Type: Feature Request Components: Java EE integration Affects Versions: 1.0 Reporter: Ed Burns Priority: Trivial Fix For: 2.0 (discussion) Consider this code based on this blog post: < https://weblogs.java.net/blog/swchan2/archive/2013/06/06/asynchronous-ser... >. {code} @WebServlet(urlPatterns="/test2", asyncSupported=true) public class TestAsyncMESServlet extends HttpServlet { @Resource private ManagedExecutorService managedExecutorService; @Inject MyRunnableImpl myRunnableImpl; @Override protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { final AsyncContext asyncContext = req.startAsync(); final PrintWriter writer = res.getWriter(); managedExecutorService.submit(myRunnableImpl); } public static class MyRunnableImpl implements Runnable { @Inject Bean bean; // Bean is @RequestScoped @Override public void run() { writer.println("Done"); asyncContext.complete(); } } } {code} According to Jozef Hartzinger, this currently does not work, because only @Dependent and @ApplicationScoped beans are propagated to the new thread. To keep CDI relevant in light of the reactive programming movement and the popularity of node.js, we need to make this work.