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https://issues.apache.org/jira/browse/CXF-5659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13950674#comment-13950674
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Sergey Beryozkin commented on CXF-5659:
---------------------------------------
You mean after AsyncContext.complete() returns ?
> IllegalStateException on Async call
> -----------------------------------
>
> Key: CXF-5659
> URL: https://issues.apache.org/jira/browse/CXF-5659
> Project: CXF
> Issue Type: Bug
> Components: Transports
> Affects Versions: 2.7.10
> Reporter: Stephen Dawkins
> Priority: Minor
> Labels: continuation
>
> I've come acrossed an odd exception when attempting to use an Async JAX-WS
> Provider:
> {code}java.lang.IllegalStateException: s=DISPATCHED i=false a=null
> at
> org.eclipse.jetty.server.HttpChannelState.complete(HttpChannelState.java:430)
> at
> org.eclipse.jetty.server.AsyncContextState.complete(AsyncContextState.java:92)
> at
> org.apache.cxf.transport.http.Servlet3ContinuationProvider$Servlet3Continuation.reset(Servlet3ContinuationProvider.java:131)
> at
> org.apache.cxf.transport.http.Servlet3ContinuationProvider.complete(Servlet3ContinuationProvider.java:55)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:242)
> at
> org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
> at
> org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
> at
> org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
> at
> org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167)
> at
> org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
> at
> org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:206)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
> at
> org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
> at
> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:717)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:552)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:544)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1112)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:479)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1046)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
> at
> org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
> at org.eclipse.jetty.server.Server.handleAsync(Server.java:516)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:288)
> at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:237)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:607)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:536)
> at java.lang.Thread.run(Thread.java:722){code}
> From what I've been able to determine, it appears it is attempting to call
> AsyncContext.complete() after AsyncContext.dispatch() has been called from
> Servlet3Continuation.redispatch()/resume().
> I changed the Servlet3.Continuation.reset() method to this to 'fix' it:
> {code:java} public void reset() {
> if (!isResumed) {
> context.complete();
> }
> obj = null;
> }{code}
> But I'm not sure if that's correct.
> I also changed the Servlet3Continuation.startAsyncAgain() method, as I
> spotted it adding a duplicate listener:
> {code:java} void startAsyncAgain() {
> AsyncContext old = context;
> try {
> context = req.startAsync();
> context.addListener(this);
> } catch (IllegalStateException ex) {
> context = old;
> }
> }{code}
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