today a had a problem in a Karaf 4.3.7 instance. The karaf.log was full
with the following log messages:
2022-08-23 14:48:18,690 [qtp550196699-89048] [ERROR]
[AtmosphereFramework] AtmosphereFramework exception [] [
java.lang.IllegalStateException: !asyncSupported:
de.hierlmeier.web.filter.GlobalRequestFilter==de.hierlmeier.web.filter.GlobalRequestFilter@6849a9c4{inst=true,async=false,src=EMBEDDED:null}
at org.eclipse.jetty.server.Request.startAsync(Request.java:2340)
at
javax.servlet.ServletRequestWrapper.startAsync(ServletRequestWrapper.java:464)
at
org.atmosphere.cpr.AtmosphereRequestImpl.startAsync(AtmosphereRequestImpl.java:633)
at
org.atmosphere.container.Servlet30CometSupport.suspend(Servlet30CometSupport.java:94)
at
org.atmosphere.container.Servlet30CometSupport.service(Servlet30CometSupport.java:69)
at
org.atmosphere.cpr.AtmosphereFramework.doCometSupport(AtmosphereFramework.java:2297)
at
com.vaadin.server.communication.PushRequestHandler.handleRequest(PushRequestHandler.java:234)
at
com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1637)
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:464)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
at
org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1631)
at
org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:292)
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at
de.hierlmeier.web.filter.GlobalRequestFilter.doFilter(GlobalRequestFilter.java:486)
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201)
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
at
org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:74)
Jetty thinks that the GlobalRequestFilter does not support async
processing, but it does.
Under what circumstances marks Jetty a filter as non async?
Regard
Richard
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