# Keycloak Connection Admin Console An internal server error has occurred

**URL:** <https://forum.keycloak.org/t/keycloak-connection-admin-console-an-internal-server-error-has-occurred/29411>\
**Category:** Configuring the server\
**Tags:** admin-console, authentication\
**Created:** [January 15, 2025, 10:54am UTC](https://forum.keycloak.org/t/keycloak-connection-admin-console-an-internal-server-error-has-occurred/29411 "2025-01-15T10:54:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Isabelle](https://avatars.discourse-cdn.com/v4/letter/i/b5a626/32.png) [@Isabelle](https://forum.keycloak.org/u/Isabelle)\
**Post date:** [January 15, 2025, 10:54am UTC](https://forum.keycloak.org/t/keycloak-connection-admin-console-an-internal-server-error-has-occurred/29411/1 "2025-01-15T10:54:38Z")

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Hello, I cannot connect to the Keycloak Administration Console. I have a 500 error.  
And here is the error in the keycloak logs. Can you help me and tell me where it comes from?  
THANKS

ERROR [org.keycloak.services.error.KeycloakErrorHandler] (executor-thread-290) Uncaught server error: java.lang.NullPointerException: Cannot invoke “org.keycloak.models.AuthenticationFlowModel.getId()” because “flow” is null  
at org.keycloak.protocol.AuthorizationEndpointBase.handleBrowserAuthenticationRequest(AuthorizationEndpointBase.java:107)  
at org.keycloak.protocol.oidc.endpoints.AuthorizationEndpoint.buildAuthorizationCodeAuthorizationResponse(AuthorizationEndpoint.java:338)  
at org.keycloak.protocol.oidc.endpoints.AuthorizationEndpoint.process(AuthorizationEndpoint.java:194)  
at org.keycloak.protocol.oidc.endpoints.AuthorizationEndpoint.buildGet(AuthorizationEndpoint.java:112)  
at jdk.internal.reflect.GeneratedMethodAccessor33.invoke(Unknown Source)  
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)  
at java.base/java.lang.reflect.Method.invoke(Method.java:568)  
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:170)  
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:130)  
at org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:660)  
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:524)  
at org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$2(ResourceMethodInvoker.java:474)  
at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364)  
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:476)  
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:434)  
at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:192)  
at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:152)  
at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:183)  
at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:141)  
at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:32)  
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:492)  
at org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:261)  
at org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:161)  
at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364)  
at org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:164)  
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:247)  
at io.quarkus.resteasy.runtime.standalone.RequestDispatcher.service(RequestDispatcher.java:73)  
at io.quarkus.resteasy.runtime.standalone.VertxRequestHandler.dispatch(VertxRequestHandler.java:151)  
at io.quarkus.resteasy.runtime.standalone.VertxRequestHandler.handle(VertxRequestHandler.java:82)  
at io.quarkus.resteasy.runtime.standalone.VertxRequestHandler.handle(VertxRequestHandler.java:42)  
at io.vertx.ext.web.impl.RouteState.handleContext(RouteState.java:1212)  
at io.vertx.ext.web.impl.RoutingContextImplBase.iterateNext(RoutingContextImplBase.java:163)  
at io.vertx.ext.web.impl.RoutingContextImpl.next(RoutingContextImpl.java:141)  
at io.quarkus.vertx.http.runtime.StaticResourcesRecorder$2.handle(StaticResourcesRecorder.java:67)  
at io.quarkus.vertx.http.runtime.StaticResourcesRecorder$2.handle(StaticResourcesRecorder.java:55)  
at io.vertx.ext.web.impl.RouteState.handleContext(RouteState.java:1212)  
at io.vertx.ext.web.impl.RoutingContextImplBase.iterateNext(RoutingContextImplBase.java:163)  
at io.vertx.ext.web.impl.RoutingContextImpl.next(RoutingContextImpl.java:141)  
at io.quarkus.vertx.http.runtime.VertxHttpRecorder$5.handle(VertxHttpRecorder.java:380)  
at io.quarkus.vertx.http.runtime.VertxHttpRecorder$5.handle(VertxHttpRecorder.java:358)  
at io.vertx.ext.web.impl.RouteState.handleContext(RouteState.java:1212)  
at io.vertx.ext.web.impl.RoutingContextImplBase.iterateNext(RoutingContextImplBase.java:163)  
at io.vertx.ext.web.impl.RoutingContextImpl.next(RoutingContextImpl.java:141)  
at org.keycloak.quarkus.runtime.integration.web.QuarkusRequestFilter.lambda$createBlockingHandler$1(QuarkusRequestFilter.java:90)  
at io.vertx.core.impl.ContextImpl.lambda$null$0(ContextImpl.java:159)  
at io.vertx.core.impl.AbstractContext.dispatch(AbstractContext.java:100)  
at io.vertx.core.impl.ContextImpl.lambda$executeBlocking$1(ContextImpl.java:157)  
at io.quarkus.vertx.core.runtime.VertxCoreRecorder$13.runWith(VertxCoreRecorder.java:545)  
at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2449)  
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1478)  
at org.jboss.threads.DelegatingRunnable.run(DelegatingRunnable.java:29)  
at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:29)  
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)  
at java.base/java.lang.Thread.run(Thread.java:833)

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<div class="post-metadata">

**Author:** ![xgp](https://yyz2.discourse-cdn.com/free1/user_avatar/forum.keycloak.org/xgp/32/2589_2.png) [@xgp](https://forum.keycloak.org/u/xgp)\
**Post date:** [January 15, 2025, 1:30pm UTC](https://forum.keycloak.org/t/keycloak-connection-admin-console-an-internal-server-error-has-occurred/29411/2 "2025-01-15T13:30:59Z")

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Looks like you may have changed the browser login flow. If that is the case, you would need to change it manually in the database, or start over.