UT000010: Session not found

After migration our AS from Woldfly 8.0.0 to 8.1.0 we get this issue that we think has been fixed in the previous release of wildfly.

ERREOR code :

2014-06-20 12:45:21,092 ERROR [io.undertow.request] (default task-11) Blocking request failed HttpServerExchange

{ GET /xenturion/faces/public/500.xhtml}

: java.lang.RuntimeException: java.lang.IllegalStateException: UT000010: Session not found cX6YRwOmoXcB8FFUdNY2r7Te
at io.undertow.servlet.spec.RequestDispatcherImpl.error(RequestDispatcherImpl.java:408)
at io.undertow.servlet.spec.RequestDispatcherImpl.error(RequestDispatcherImpl.java:311)
at io.undertow.servlet.spec.HttpServletResponseImpl.sendError(HttpServletResponseImpl.java:128)
at io.undertow.servlet.spec.HttpServletResponseImpl.sendError(HttpServletResponseImpl.java:142)
at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:273)
at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:227)
at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:73)
at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:146)
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:177)
at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:727)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_40]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_40]
at java.lang.Thread.run(Thread.java:724) [rt.jar:1.7.0_40]
Caused by: java.lang.IllegalStateException: UT000010: Session not found cX6YRwOmoXcB8FFUdNY2r7Te
at io.undertow.server.session.InMemorySessionManager$SessionImpl.getAttribute(InMemorySessionManager.java:319)
at io.undertow.servlet.spec.HttpSessionImpl.getAttribute(HttpSessionImpl.java:121)
at org.springframework.security.web.context.HttpSessionSecurityContextRepository.readSecurityContextFromSession(HttpSessionSecurityContextRepository.java:144)
at org.springframework.security.web.context.HttpSessionSecurityContextRepository.loadContext(HttpSessionSecurityContextRepository.java:86)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:82)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)
at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)
at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:61)
at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25)
at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:229)
at io.undertow.servlet.handlers.ServletInitialHandler.dispatchToPath(ServletInitialHandler.java:172)
at io.undertow.servlet.spec.RequestDispatcherImpl.error(RequestDispatcherImpl.java:402)

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this issue happens after a http session invalidate action and it' not a regular problems.

Best regards,
Youssef