Marek,

You are right...it was an LDAP issue, after I added(deleting the older one) new profile I no longer see this issue.

Thanks for your inputs.

Thanks

Kamal

From: Marek Posolda <mposolda@redhat.com>
To: stian@redhat.com; Kamal Jagadevan <j.kamal@ymail.com>
Cc: Keycloak-dev <keycloak-dev@lists.jboss.org>
Sent: Friday, October 16, 2015 4:47 AM
Subject: Re: [keycloak-dev] NPE while getting token through Direct Access Grant

In stacktrace there is:

at org.keycloak.models.UserFederationManager.deleteInvalidUser(UserFederationManager.java:113)
at org.keycloak.models.UserFederationManager.validateAndProxyUser(UserFederationManager.java:135)

which means that your LDAP user is no longer valid - in other words he wasn't found by Keycloak in LDAP. So this looks like LDAP problem rather than issue related to refresh tokens.

Is your user still available in LDAP? If yes, then what are you using for "UUID LDAP attribute" in LDAP federation provider settings page? Does your LDAP users have this attribute available in LDAP? For example if you use "entryUUID" in the admin console configuration, is this attribute really available in LDAP for your LDAP users?

Marek

On 16/10/15 10:08, Stian Thorgersen wrote:

Does it work if you disable "Revoke Refresh Token" in token settings? When that is off (default setting) there's no changes to the code.

On 15 October 2015 at 21:20, Kamal Jagadevan <j.kamal@ymail.com> wrote:

Hi Guys!!

I took latest master to verify the fix that Stian delivered to prevent usage of same refresh token.

My test code tries getting the access token + Refresh token through direct access grant but fails due to NullPointer exception.

Meanwhile I can continue to debug further, but wanted to share the observation to you guys... Will post further if I get any more details...

Environment details - I have user federation configured to LDAP and tried to login with a user in ldap.

Caused by: java.lang.NullPointerException
        at org.keycloak.models.cache.infinispan.DefaultCacheUserProvider.removeUser(DefaultCacheUserProvider.java:272)
        at org.keycloak.models.UserFederationManager.deleteInvalidUser(UserFederationManager.java:113)
        at org.keycloak.models.UserFederationManager.validateAndProxyUser(UserFederationManager.java:135)
        at org.keycloak.models.UserFederationManager.getUserById(UserFederationManager.java:163)
        at org.keycloak.models.sessions.infinispan.ClientSessionAdapter.getAuthenticatedUser(ClientSessionAdapter.java:265)
        at org.keycloak.authentication.DefaultAuthenticationFlow.processFlow(DefaultAuthenticationFlow.java:116)
        at org.keycloak.authentication.AuthenticationProcessor.authenticateOnly(AuthenticationProcessor.java:724)
        at org.keycloak.protocol.oidc.endpoints.TokenEndpoint.buildResourceOwnerPasswordCredentialsGrant(TokenEndpoint.java:357)
        at org.keycloak.protocol.oidc.endpoints.TokenEndpoint.build(TokenEndpoint.java:110)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        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)

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