19:06:52,182 ERROR [stderr] (http--127.0.0.1-8080-4) Using servlet API 3
19:07:03,223 ERROR [stderr] (http--127.0.0.1-8080-4) Session exiting:U84s8Iz0Jcetp+8V55naZqBQ
19:07:04,533 ERROR [stderr] (http--127.0.0.1-8080-3) eu.webtoolkit.jwt.WtException: Server push requires a Servlet 3.0 enabled servlet container and an application with async-supported enabled.
19:07:04,535 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WDialog.exec(WDialog.java:304)
19:07:04,536 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WMessageBox.show(WMessageBox.java:265)
19:07:04,537 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WMessageBox.show(WMessageBox.java:278)
19:07:04,539 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.examples.simplechat.SimpleChatWidget.logout(SimpleChatWidget.java:253)
19:07:04,541 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.examples.simplechat.SimpleChatWidget.access$300(SimpleChatWidget.java:32)
19:07:04,542 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.examples.simplechat.SimpleChatWidget$6.trigger(SimpleChatWidget.java:203)
19:07:04,545 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.examples.simplechat.SimpleChatWidget$6.trigger(SimpleChatWidget.java:201)
19:07:04,546 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.Signal1.trigger(Signal1.java:86)
19:07:04,548 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.EventSignal1.processDynamic(EventSignal1.java:82)
19:07:04,550 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WebSession.processSignal(WebSession.java:1522)
19:07:04,552 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WebSession.notifySignal(WebSession.java:1616)
19:07:04,553 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WebSession.notify(WebSession.java:381)
19:07:04,554 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WApplication.notify(WApplication.java:2264)
19:07:04,556 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WebSession.handleRequest(WebSession.java:1288)
19:07:04,557 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WtServlet.doHandleRequest(WtServlet.java:277)
19:07:04,559 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.ServletApi.handleRequest(ServletApi.java:24)
19:07:04,560 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.ServletApi3.doHandleRequest(ServletApi3.java:48)
19:07:04,561 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WtServlet.handleRequest(WtServlet.java:189)
19:07:04,562 ERROR [stderr] (http--127.0.0.1-8080-3)    at eu.webtoolkit.jwt.WtServlet.doPost(WtServlet.java:206)
19:07:04,563 ERROR [stderr] (http--127.0.0.1-8080-3)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
19:07:04,565 ERROR [stderr] (http--127.0.0.1-8080-3)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
19:07:04,566 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)
19:07:04,568 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
19:07:04,569 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
19:07:04,571 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
19:07:04,572 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.jboss.as.web.NamingValve.invoke(NamingValve.java:57)
19:07:04,578 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154)
19:07:04,579 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
19:07:04,580 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
19:07:04,582 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
19:07:04,586 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
19:07:04,588 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:667)
19:07:04,589 ERROR [stderr] (http--127.0.0.1-8080-3)    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
19:07:04,595 ERROR [stderr] (http--127.0.0.1-8080-3)    at java.lang.Thread.run(Thread.java:662)
19:07:04,597 ERROR [stderr] (http--127.0.0.1-8080-3) Session exiting:RmYJIedivSNeBexT9TNk1Pvn