[keycloak-user] Internal Server Error when trying to get (all) members of a group

Guus der Kinderen guus.der.kinderen at gmail.com
Wed Mar 23 10:22:33 EDT 2016 

Allright. Here's the JIRA issue:
https://issues.jboss.org/browse/KEYCLOAK-2705

 - Guus

On 23 March 2016 at 14:47, Marek Posolda <mposolda at redhat.com> wrote:

> Feel free to create JIRA for this. Admin console is always using some good
> default values for min and max, so it's not a very big issue IMO, but still
> would be good to fix.
>
> Marek
>
>
> On 23/03/16 14:11, Guus der Kinderen wrote:
>
> Insta-update: passing explicit values to the method call works around the
> issue:
>
> public List<UserRepresentation> getAllUsersInGroup( String groupName )
> {
>     RealmResource realmRes = keycloak.realm( "myrealm" );
>     GroupRepresentation group = realmRes.getGroupByPath( "/" + groupName );
>     GroupResource groupRes = realmRes.groups().group( group.getId() );
>     return groupRes.members( 0, Integer.MAX_VALUE );
> }
>
>
> On 23 March 2016 at 14:04, Guus der Kinderen <guus.der.kinderen at gmail.com>
> wrote:
>
>> Hiya,
>>
>> Using the admin-client on a Keycloak 1.9.1 instance, I'm running into
>> something odd. I'm trying to obtain all members from a particular group in
>> a particular realm. My code, simplified:
>>
>> public List<UserRepresentation> getAllUsersInGroup( String groupName )
>> {
>>     RealmResource realmRes = keycloak.realm( "myrealm" );
>>     GroupRepresentation group = realmRes.getGroupByPath( "/" + groupName );
>>     GroupResource groupRes = realmRes.groups().group( group.getId() );
>>     return groupRes.members( null, null );
>> }
>>
>> Oddly enough, the last line throws
>> a javax.ws.rs.InternalServerErrorException.
>>
>> When I look at the log from my keycloak intance, I see a stacktrace that
>> suggests that -2 is used for the maxResult value (but it isn't - it's
>> null). What's going on here?
>>
>> 13:32:01,519 ERROR [io.undertow.request] (default task-40) UT005023:
>> Exception handling request to
>> /auth/admin/realms/myrealm/groups/ad2251c9-8e21-4eb6-903d-679f49cceb9e/members:
>> org.jboss.resteasy.spi.UnhandledException:
>> java.lang.IllegalArgumentException: Negative value (-2) passed to
>> setMaxResults
>> 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:168)
>> at
>> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:411)
>> at
>> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:202)
>> at
>> org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:221)
>> 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:85)
>> at
>> io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
>> at
>> org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:78)
>> at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
>> at
>> io.undertow.servlet.handlers.FilterHandler$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.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: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)
>> Caused by: java.lang.IllegalArgumentException: Negative value (-2) passed
>> to setMaxResults
>> at
>> org.hibernate.jpa.spi.BaseQueryImpl.setMaxResults(BaseQueryImpl.java:131)
>> at
>> org.hibernate.jpa.spi.AbstractQueryImpl.setMaxResults(AbstractQueryImpl.java:78)
>> at
>> org.hibernate.jpa.spi.AbstractQueryImpl.setMaxResults(AbstractQueryImpl.java:32)
>> at
>> org.keycloak.models.jpa.JpaUserProvider.getGroupMembers(JpaUserProvider.java:382)
>> at
>> org.keycloak.models.cache.infinispan.DefaultCacheUserProvider.getGroupMembers(DefaultCacheUserProvider.java:203)
>> at
>> org.keycloak.models.UserFederationManager$2.query(UserFederationManager.java:194)
>> at
>> org.keycloak.models.UserFederationManager.query(UserFederationManager.java:297)
>> at
>> org.keycloak.models.UserFederationManager.getGroupMembers(UserFederationManager.java:190)
>> at
>> org.keycloak.services.resources.admin.GroupResource.getMembers(GroupResource.java:189)
>> 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.invokeOnTarget(ResourceMethodInvoker.java:295)
>> at
>> org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:249)
>> at
>> org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:138)
>> at
>> org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:107)
>> at
>> org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:133)
>> at
>> org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:107)
>> at
>> org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:133)
>> at
>> org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:107)
>> at
>> org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:133)
>> at
>> org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:101)
>> at
>> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:395)
>> ... 37 more
>>
>>
>
>
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>
>
>
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