# Unable to delete keycloak user

**URL:** <https://forum.keycloak.org/t/unable-to-delete-keycloak-user/29926>\
**Category:** Miscellanaeous\
**Tags:** admin-console\
**Created:** [April 24, 2025, 5:18am UTC](https://forum.keycloak.org/t/unable-to-delete-keycloak-user/29926 "2025-04-24T05:18:31Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![baski4u](https://avatars.discourse-cdn.com/v4/letter/b/258eb7/32.png) [@baski4u](https://forum.keycloak.org/u/baski4u)\
**Post date:** [April 24, 2025, 5:18am UTC](https://forum.keycloak.org/t/unable-to-delete-keycloak-user/29926/1 "2025-04-24T05:18:31Z")

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While trying to delete keycloak user from admin console page, getting following error stack trace in keycloak logs:

2025-04-15 06:55:24,029 ERROR [org.keycloak.services.error.KeycloakErrorHandler] (executor-thread-85) Uncaught server error: java.lang.NullPointerException  
at java.base/java.util.Objects.requireNonNull(Objects.java:233)  
at org.keycloak.models.cache.infinispan.events.UserUpdatedEvent.(UserUpdatedEvent.java:44)  
at org.keycloak.models.cache.infinispan.events.UserUpdatedEvent.create(UserUpdatedEvent.java:50)  
at org.keycloak.models.cache.infinispan.UserCacheSession.registerUserInvalidation(UserCacheSession.java:129)  
at org.keycloak.models.cache.infinispan.UserAdapter.getDelegateForUpdate(UserAdapter.java:105)  
at org.keycloak.models.cache.infinispan.UserAdapter.invalidate(UserAdapter.java:120)  
at org.keycloak.models.cache.infinispan.UserCacheSession.fullyInvalidateUser(UserCacheSession.java:846)  
at org.keycloak.models.cache.infinispan.UserCacheSession.removeUser(UserCacheSession.java:860)  
at org.keycloak.models.UserManager.removeUser(UserManager.java:36)  
at org.keycloak.models.UserManager.removeUser(UserManager.java:32)  
at org.keycloak.services.resources.admin.UserResource.deleteUser(UserResource.java:648)  
at org.keycloak.services.resources.admin.UserResource$quarkusrestinvoker$deleteUser\_1ab1e247046f32b48fb55de7f71f5540f6c8ea14.invoke(Unknown Source)  
at org.jboss.resteasy.reactive.server.handlers.InvocationHandler.handle(InvocationHandler.java:29)  
at io.quarkus.resteasy.reactive.server.runtime.QuarkusResteasyReactiveRequestContext.invokeHandler(QuarkusResteasyReactiveRequestContext.java:141)  
at org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext.run(AbstractResteasyReactiveContext.java:147)  
at io.quarkus.vertx.core.runtime.VertxCoreRecorder$14.runWith(VertxCoreRecorder.java:635)  
at org.jboss.threads.EnhancedQueueExecutor$Task.doRunWith(EnhancedQueueExecutor.java:2516)  
at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2495)  
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1521)  
at org.jboss.threads.DelegatingRunnable.run(DelegatingRunnable.java:11)  
at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:11)  
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)  
at java.base/java.lang.Thread.run(Thread.java:1583)  
Please help in resolving this issue.

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<div class="post-metadata">

**Author:** ![gonzalezcaf](https://avatars.discourse-cdn.com/v4/letter/g/bc79bd/32.png) [@gonzalezcaf](https://forum.keycloak.org/u/gonzalezcaf)\
**Post date:** [April 25, 2025, 2:52pm UTC](https://forum.keycloak.org/t/unable-to-delete-keycloak-user/29926/2 "2025-04-25T14:52:54Z")

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Hi,  
Can you upload the entire file for the log? and share us the Keycloak version, JDK version and some additional information about your installation.  
Regards,  
Fernando

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<div class="post-metadata">

**Author:** ![baski4u](https://avatars.discourse-cdn.com/v4/letter/b/258eb7/32.png) [@baski4u](https://forum.keycloak.org/u/baski4u)\
**Post date:** [May 19, 2025, 11:38am UTC](https://forum.keycloak.org/t/unable-to-delete-keycloak-user/29926/9 "2025-05-19T11:38:41Z")

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Hi Fernando,

Keycloak is running within the docker environment.  
Keycloak version: **26.1.1**  
JDK Version: openjdk version “21.0.6” 2025-01-21 LTS.

Kindly request to help in debugging this issue.

Thanks  
Basker