Problem with cluster, org.wildfly.clustering.web.undertow.session.DistributableSession -------------------------------------------------------------------------------------- Key: WFLY-6731 URL: https://issues.jboss.org/browse/WFLY-6731 Project: WildFly Issue Type: Bug Components: Clustering, Web (Undertow) Affects Versions: 10.0.0.Final Reporter: Bruno Silva Assignee: Paul Ferraro {noformat} ay0uwkDSnTKoZNLMN9atwQhHB4KiZ url:/autenticacaosso/login.jsf;jsessionid=vrQfTnf0X0ZbbWAOEHUd-BXtb8Oa1TsfMjfqhh1C.node3 2016-04-08 08:41:14,766 ERROR [io.undertow.request] (default task-137) UT005023: Exception handling request to /autenticacaosso/login: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429) at java.util.HashMap$KeyIterator.next(HashMap.java:1453) at org.wildfly.clustering.web.undertow.session.DistributableSession.changeSessionId(DistributableSession.java:197) at io.undertow.servlet.spec.HttpServletRequestImpl.changeSessionId(HttpServletRequestImpl.java:329) at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler$SecurityNotificationReceiver.handleNotification(CachedAuthenticatedSessionHandler.java:95) at io.undertow.security.impl.AbstractSecurityContext.sendNoticiation(AbstractSecurityContext.java:127) at io.undertow.security.impl.AbstractSecurityContext.authenticationComplete(AbstractSecurityContext.java:85) at io.undertow.security.impl.AbstractSecurityContext.authenticationComplete(AbstractSecurityContext.java:78) at io.undertow.security.impl.SingleSignOnAuthenticationMechanism.authenticate(SingleSignOnAuthenticationMechanism.java:103) at io.undertow.security.impl.SecurityContextImpl$AuthAttempter.transition(SecurityContextImpl.java:257) at io.undertow.security.impl.SecurityContextImpl$AuthAttempter.access$2(SecurityContextImpl.java:231) at io.undertow.security.impl.SecurityContextImpl.attemptAuthentication(SecurityContextImpl.java:123) at io.undertow.security.impl.SecurityContextImpl.authTransition(SecurityContextImpl.java:98) at io.undertow.security.impl.SecurityContextImpl.authenticate(SecurityContextImpl.java:91) at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:55) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:51) at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:56) at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284) at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263) at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174) at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202) at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) {noformat}