Okay I did go back just to double check what the exception is. As expected the exception is a result of the application trying to render (the wrong view name) when it really shouldn't be rendering. It should be exiting the request processing thread because async started:
org.apache.tiles.definition.NoSuchDefinitionException: client/aroomwithaview
at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:625) ~[tiles-core-2.2.2.jar:2.2.2]
at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321) ~[tiles-core-2.2.2.jar:2.2.2]
at org.thymeleaf.extras.tiles2.spring.web.view.ThymeleafTilesView.render(ThymeleafTilesView.java:91) ~[thymeleaf-extras-tiles2-2.0.0.jar:na]
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1208) ~[spring-webmvc-3.2.3.RELEASE.jar:3.2.3.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:992) ~[spring-webmvc-3.2.3.RELEASE.jar:3.2.3.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:939) ~[spring-webmvc-3.2.3.RELEASE.jar:3.2.3.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) ~[spring-webmvc-3.2.3.RELEASE.jar:3.2.3.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936) [spring-webmvc-3.2.3.RELEASE.jar:3.2.3.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:827) [spring-webmvc-3.2.3.RELEASE.jar:3.2.3.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:735) [servlet-api-3.0.jar:na]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812) [spring-webmvc-3.2.3.RELEASE.jar:3.2.3.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) [servlet-api-3.0.jar:na]
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:698) [jetty-servlet-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1506) [jetty-servlet-9.0.4.v20130625.jar:9.0.4.v20130625]
at com.bizarro.web.filter.Spr10790Filter.doFilterInternal(Spr10790Filter.java:16) [classes/:na]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-3.2.3.RELEASE.jar:3.2.3.RELEASE]
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1477) [jetty-servlet-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) [jetty-servlet-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:138) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:540) [jetty-security-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:213) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1094) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:432) [jetty-servlet-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:175) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1028) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:136) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:258) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:317) [jetty-rewrite-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.Server.handle(Server.java:445) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:267) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:224) [jetty-server-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.run(AbstractConnection.java:358) [jetty-io-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:601) [jetty-util-9.0.4.v20130625.jar:9.0.4.v20130625]
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:532) [jetty-util-9.0.4.v20130625.jar:9.0.4.v20130625]
at java.lang.Thread.run(Thread.java:722) [na:1.7.0]
