[keycloak-user] Distributed Keycloak user sessions using Infinispan

Stian Thorgersen stian at redhat.com
Mon Jul 27 08:24:17 EDT 2015 

What version?

Firstly owners="2" should work fine as long as only one node dies and the other remains active. Secondly it should return a NPE, but an error if user session is not found.

----- Original Message -----
> From: "Rajat Nair" <rajat.nair at hp.com>
> To: keycloak-user at lists.jboss.org
> Sent: Monday, 27 July, 2015 2:03:47 PM
> Subject: [keycloak-user] Distributed Keycloak user sessions using Infinispan
> 
> 
> 
> Hi,
> 
> 
> 
> I’m in the process of setting up distributed user sessions using Infinispan
> on my Keycloak cluster. This is the configuration I use –
> 
> <cache-container name="keycloak" jndi-name="java:jboss/infinispan/Keycloak">
> 
> <transport lock-timeout="60000"/>
> 
> <invalidation-cache name="realms" mode="SYNC"/>
> 
> <invalidation-cache name="users" mode="SYNC"/>
> 
> <distributed-cache name="sessions" mode="SYNC" owners="2"/>
> 
> <distributed-cache name="loginFailures" mode="SYNC" owners="1"/>
> 
> </cache-container>
> 
> 
> 
> 
> 
> And in server.logs, I can see my servers communicate –
> 
> 2015-07-27 10:27:24,662 INFO [org.infinispan.CLUSTER] (remote-thread--p3-t7)
> ISPN000310: Starting cluster-wide rebalance for cache users, topology
> CacheTopology{id=57, rebalanceId=17, currentCH=ReplicatedConsistentHash{ns =
> 60, owners = (1)[test-server-110: 60]},
> pendingCH=ReplicatedConsistentHash{ns = 60, owners = (2)[test-server-110:
> 30, test-server-111: 30]}, unionCH=null, actualMembers=[test-server-110,
> test-server-111]}
> 
> 2015-07-27 10:27:24,665 INFO [org.infinispan.CLUSTER] (remote-thread--p3-t10)
> ISPN000310: Starting cluster-wide rebalance for cache realms, topology
> CacheTopology{id=57, rebalanceId=17, currentCH=ReplicatedConsistentHash{ns =
> 60, owners = (1)[test-server-110: 60]},
> pendingCH=ReplicatedConsistentHash{ns = 60, owners = (2)[test-server-110:
> 30, test-server-111: 30]}, unionCH=null, actualMembers=[test-server-110,
> test-server-111]}
> 
> 2015-07-27 10:27:24,665 INFO [org.infinispan.CLUSTER] (remote-thread--p3-t8)
> ISPN000310: Starting cluster-wide rebalance for cache loginFailures,
> topology CacheTopology{id=57, rebalanceId=17,
> currentCH=DefaultConsistentHash{ns=80, owners = (1)[test-server-110: 80+0]},
> pendingCH=DefaultConsistentHash{ns=80, owners = (2)[test-server-110: 40+0,
> test-server-111: 40+0]}, unionCH=null, actualMembers=[test-server-110,
> test-server-111]}
> 
> 2015-07-27 10:27:24,669 INFO [org.infinispan.CLUSTER] (remote-thread--p3-t9)
> ISPN000310: Starting cluster-wide rebalance for cache sessions, topology
> CacheTopology{id=56, rebalanceId=17, currentCH=DefaultConsistentHash{ns=80,
> owners = (1)[test-server-110: 80+0]}, pendingCH=DefaultConsistentHash{ns=80,
> owners = (2)[test-server-110: 40+0, test-server-111: 40+0]}, unionCH=null,
> actualMembers=[test-server-110, test-server-111]}
> 
> 2015-07-27 10:27:24,808 INFO [org.infinispan.CLUSTER] (remote-thread--p3-t9)
> ISPN000336: Finished cluster-wide rebalance for cache loginFailures,
> topology id = 57
> 
> 2015-07-27 10:27:24,810 INFO [org.infinispan.CLUSTER] (remote-thread--p3-t12)
> ISPN000336: Finished cluster-wide rebalance for cache sessions, topology id
> = 56
> 
> 2015-07-27 10:27:24,988 INFO [org.infinispan.CLUSTER] (remote-thread--p3-t12)
> ISPN000336: Finished cluster-wide rebalance for cache realms, topology id =
> 57
> 
> 2015-07-27 10:27:25,530 INFO [org.infinispan.CLUSTER] (remote-thread--p3-t8)
> ISPN000336: Finished cluster-wide rebalance for cache users, topology id =
> 57
> 
> 
> 
> I can successfully login, get a token and fetch user details with this token.
> 
> 
> 
> Problem is, if one of the nodes on the cluster goes down and if we try to
> reuse a token which was already issued (so workflow is – user logins in, get
> token, (a node in the cluster goes down) and then fetch user details using
> token) – we see an internal server exception. From the logs –
> 
> 
> 
> 2015-07-27 10:24:25,714 ERROR [io.undertow.request] (default task-1)
> UT005023: Exception handling request to
> /auth/realms/scaletest/protocol/openid-connect/userinfo:
> java.lang.RuntimeException: request path:
> /auth/realms/scaletest/protocol/openid-connect/userinfo
> 
> at
> org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:54)
> 
> 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:62)
> 
> at
> io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
> 
> at
> org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
> 
> at
> io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
> 
> at
> io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
> 
> at
> io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
> 
> at
> io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
> 
> at
> io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
> 
> at
> io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
> 
> at
> io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58)
> 
> at
> io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:72)
> 
> at
> io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
> 
> at
> io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)
> 
> 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.server.handlers.MetricsHandler.handleRequest(MetricsHandler.java:62)
> 
> at
> io.undertow.servlet.core.MetricsChainHandler.handleRequest(MetricsChainHandler.java:59)
> 
> at
> io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:274)
> 
> at
> io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:253)
> 
> at
> io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:80)
> 
> at
> io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:172)
> 
> at io.undertow.server.Connectors.executeRootHandler(Connectors.java:199)
> 
> at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:774)
> 
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> 
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> 
> at java.lang.Thread.run(Unknown Source)
> 
> Caused by: org.jboss.resteasy.spi.UnhandledException:
> java.lang.NullPointerException
> 
> at
> org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:76)
> 
> at
> org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:212)
> 
> at
> org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:149)
> 
> at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:372)
> 
> at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
> 
> at
> org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
> 
> at
> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
> 
> at
> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
> 
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
> 
> at
> io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86)
> 
> at
> io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130)
> 
> at
> org.keycloak.services.filters.ClientConnectionFilter.doFilter(ClientConnectionFilter.java:41)
> 
> at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
> 
> at
> io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)
> 
> at
> org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:40)
> 
> ... 31 more
> 
> Caused by: java.lang.NullPointerException
> 
> at
> org.keycloak.protocol.oidc.endpoints.UserInfoEndpoint.issueUserInfo(UserInfoEndpoint.java:128)
> 
> at
> org.keycloak.protocol.oidc.endpoints.UserInfoEndpoint.issueUserInfoGet(UserInfoEndpoint.java:101)
> 
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 
> at java.lang.reflect.Method.invoke(Unknown Source)
> 
> at
> org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
> 
> at
> org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)
> 
> at
> org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
> 
> at
> org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:140)
> 
> at
> org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:109)
> 
> at
> org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:135)
> 
> at
> org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:103)
> 
> at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
> 
> ... 42 more
> 
> 
> 
> 
> 
> The user guide says –
> 
> If you need to prevent node failures from requiring users to log in again,
> set the owners attribute to 2 or more for the sessions cache
> 
> 
> 
> Questions -
> 
> 1. Have we configured Infinispan incorrectly? We don’t want the users to
> login again if any of the nodes in the cluster go down.
> 
> 2. Will changing distributed-cache to replicated-cache help in this scenario?
> 
> 3. Any way we can see the contents of the cache?
> 
> 
> 
> -- Rajat
> 
> 
> 
> _______________________________________________
> keycloak-user mailing list
> keycloak-user at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/keycloak-user

More information about the keycloak-user mailing list