[keycloak-user] Null Pointer

Fri Nov 22 18:49:34 EST 2019

Adding to this, it doesn't happen in the Master realm, just the realm that
I created...
--
Aaron Echols

On Fri, Nov 22, 2019 at 4:43 PM Aaron Echols <aechols at bfcsaz.com> wrote:

> Hello All,
>
> I'm on Keycloak 5.0.0 and am getting the following error whenever I
> attempt to manage the sessions. My servers have been working without issue
> since we upgraded to 5.0.0 in March. I've held the same version of Java as
> well, that hasn't changed either.
>
> I'm not in a place to upgrade currently, until after the new year.
>
> Any suggestions? Thank you :)
>
> 2019-11-22 16:27:01,451 ERROR
> [org.keycloak.services.error.KeycloakErrorHandler] (default task-8)
> Uncaught server error: java.lang.NullPointerException
>         at
> org.keycloak.services.resources.admin.RealmAdminResource.getClientSessionStats(RealmAdminResource.java:614)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at
> org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:139)
>         at
> org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:509)
>         at
> org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:399)
>         at
> org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$0(ResourceMethodInvoker.java:363)
>         at
> org.jboss.resteasy.core.interception.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:355)
>         at
> org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:365)
>         at
> org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:337)
>         at
> org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:137)
>         at
> org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:106)
>         at
> org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:132)
>         at
> org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:100)
>         at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:439)
>         at
> org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:229)
>         at
> org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:135)
>         at
> org.jboss.resteasy.core.interception.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:355)
>         at
> org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:138)
>         at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:215)
>         at
> org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:227)
>         at
> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
>         at
> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:791)
>         at
> io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
>         at
> io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
>         at
> org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:90)
>         at
> io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
>         at
> io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
>         at
> io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
>         at
> io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
>         at
> io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
>         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:132)
>         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: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
> org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
>         at
> io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
>         at
> io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
>         at
> io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
>         at
> io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
>         at
> io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
>         at
> io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
>         at
> io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
>         at
> org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
>         at
> org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
>         at
> org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
>         at
> org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
>         at
> org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
>         at
> io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
>         at
> io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
>         at
> io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
>         at
> io.undertow.server.Connectors.executeRootHandler(Connectors.java:360)
>         at
> io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
>         at
> org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
>         at
> org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
>         at
> org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
>         at
> org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
>         at java.lang.Thread.run(Thread.java:745)
> --
> Aaron Echols
>