[keycloak-user] Occasional NPE while retrieving token

Marek Posolda mposolda at redhat.com
Mon Sep 14 02:28:47 EDT 2015


Thanks, I've created JIRA https://issues.jboss.org/browse/KEYCLOAK-1842 
. We will try to reproduce and fix for 1.6 release.

Marek

On 10/09/15 11:51, Orestis Tsakiridis wrote:
> Hello Marek,
>
> It looks like we've cornered the issue after all :-)
>
> I managed to reproduce it on a relatively clean keycloak setup with 
> the following steps:
>
>
>          1. Create application app-dg that will be used to get tokens 
> using direct access grants.
>                 Accesstype: Public
>                 Direct Grants Onlye: true
>
>             2. Create application app-test.
>                 AccessType: Bearer only
>
>             3. Create application level role 'role-test' in app-test.
>
>             4. Create user user-test. Assign it application level role 
> app-test:role-test and set his password to 'password'
>
>             5. Retrieve a token for user-test using direct access grants:
>
>                $ curl -k -X POST 
> http://127.0.0.1:8080/auth/realms/restcomm/protocol/openid-connect/token 
> -d "grant_type=password" -d "client_id=app-dg" -d "username=user-test" 
> -d "password=password"
>
>                And the token:
>                {
>                   "jti": "f68e595e-d612-42a1-b4f2-0af2b32b7dd7",
>                   "exp": 1441881384,
>                   "nbf": 0,
>                   "iat": 1441877784,
>                   "iss": "http://127.0.0.1:8080/auth/realms/restcomm",
>                   "aud": "app-dg",
>                   "sub": "067021e3-0fac-49dd-931b-1d26eb8ceb70",
>                   "azp": "app-dg",
>                   "session_state": "03903e0d-4748-4aba-bf5e-c0529757c13d",
>                   "client_session": 
> "7f8417c0-9fd0-4e65-a3d8-a9335cb1f704",
>                   "allowed-origins": [],
>                   "resource_access": {
>                     "app-test": {
>                       "roles": [
>                         "role-test"
>                       ]
>                     },
>                     "account": {
>                       "roles": [
>                         "view-profile",
>                         "manage-account"
>                       ]
>                     }
>                   },
>                   "name": "",
>                   "preferred_username": "user-test"
>                 }
>
>            6. Remove app-test
>
>             7. Try to retrieve a token once more and the error appears:
>
>                 12:39:37,260 ERROR [io.undertow.request] (default 
> task-17) UT005023: Exception handling request to 
> /auth/realms/restcomm/protocol/openid-connect/token: 
> java.lang.RuntimeException: request path: 
> /auth/realms/restcomm/protocol/openid-connect/token
>                     at 
> org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:73)
>                     at 
> io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
>                     at 
> io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)
>                     at 
> io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)
>                     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:58)
>                     at 
> io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:72)
>                     at 
> io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
>                     at 
> io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)
>                     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:282)
>                     at 
> io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:261)
>                     at 
> io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:80)
>                     at 
> io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:172)
>                     at 
> io.undertow.server.Connectors.executeRootHandler(Connectors.java:199)
>                     at 
> io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:774)
>                     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>                     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>                     at java.lang.Thread.run(Thread.java:745)
>                 Caused by: org.jboss.resteasy.spi.UnhandledException: 
> java.lang.NullPointerException
>                     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:149)
>                     at 
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:372)
>                     at 
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
>                     at 
> org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
>                     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:86)
>                     at 
> io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130)
>                     at 
> org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:59)
>                     ... 29 more
>                 Caused by: java.lang.NullPointerException
>                     at 
> org.keycloak.protocol.oidc.TokenManager.addComposites(TokenManager.java:353)
>                     at 
> org.keycloak.protocol.oidc.TokenManager.createClientAccessToken(TokenManager.java:193)
>                     at 
> org.keycloak.protocol.oidc.TokenManager$AccessTokenResponseBuilder.generateAccessToken(TokenManager.java:412)
>                     at 
> org.keycloak.protocol.oidc.endpoints.TokenEndpoint.buildResourceOwnerPasswordCredentialsGrant(TokenEndpoint.java:358)
>                     at 
> org.keycloak.protocol.oidc.endpoints.TokenEndpoint.build(TokenEndpoint.java:113)
>                     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)
>                     ... 37 more
>
> I rule i tried to make up is the following:
>
> "If for user Alice exists an active token with application roles for 
> an application and this application is removed, you can't get a token 
> for this user anymore"
>
> Also note that in my tests i've increased realm 'Access token 
> lifespan' to 60 min. Maybe having a short lifespan discards the token 
> before making any damage and the exception is not thrown. Just 
> guessing here...
>
>
> I hope this helps
>
>
> Regards
>
> Orestis
>
> On Fri, Sep 4, 2015 at 11:54 AM, Orestis Tsakiridis 
> <orestis.tsakiridis at telestax.com 
> <mailto:orestis.tsakiridis at telestax.com>> wrote:
>
>     Hi Marek,
>
>     Hmmm, indeed, that happens after having deleted clients. But, i
>     haven't defined any composite roles.  The rest of the REST api
>     operation i've used don't seem to trigger it.
>
>     But wait! i think you rung a bell. The clients i remove have their
>     own application-level roles created and bound to them. They are
>     not composite though in the strict sense of the term. Possibly the
>     user that tries to get a token is also assigned these roles. Btw,
>     is it proper practice to remove a client without removing its own
>     application roles first?
>
>     Also, I'm using the default H2 DB setup.
>
>     I will try to reproduce and post my findings to this thread.
>
>
>     Thanks Marek
>
>     Orestis
>
>     On Wed, Sep 2, 2015 at 4:45 PM, Marek Posolda <mposolda at redhat.com
>     <mailto:mposolda at redhat.com>> wrote:
>
>         It looks you deleted some client, but his composite roles were
>         not properly deleted. It might be a bug though, but not sure.
>         It will be cool if you can provide more detailed steps to
>         reproduce. Are you using default H2 DB or some else?
>
>         Thanks,
>         Marek
>
>
>         On 02/09/15 11:25, Orestis Tsakiridis wrote:
>>         Hello,
>>
>>         I'm experiencing a strange error while trying to retrieve a
>>         token. Although initially the application may function
>>         properly and tokens issued normally, something happens when i
>>         use the Admin REST api that triggers the error. After that no
>>         tokens can be issued and an NPE appears in the log. Usually
>>         this happens after trying to drop some clients.
>>
>>         Btw, i'm using keycloak-1.4.0.Final.
>>
>>         Here is the command i use to get the token:
>>
>>         curl -k -X POST
>>         https://identity.restcomm.com/auth/realms/restcomm/protocol/openid-connect/token
>>         -d "grant_type=password" -d
>>         "client_id=restcomm-identity-rest" -d "username=otsakir" -d
>>         "password=...."
>>
>>         And here is what i get in the logs:
>>
>>         09:12:36,414 ERROR [io.undertow.request] (default task-4)
>>         UT005023: Exception handling request to
>>         /auth/realms/restcomm/protocol/openid-connect/token:
>>         java.lang.RuntimeException: request path:
>>         /auth/realms/restcomm/protocol/openid-connect/token
>>             at
>>         org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:73)
>>             at
>>         io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
>>             at
>>         io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)
>>             at
>>         io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)
>>             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:58)
>>             at
>>         io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:72)
>>             at
>>         io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
>>             at
>>         io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)
>>             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:282)
>>             at
>>         io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:261)
>>             at
>>         io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:80)
>>             at
>>         io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:172)
>>             at
>>         io.undertow.server.Connectors.executeRootHandler(Connectors.java:199)
>>             at
>>         io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:774)
>>             at
>>         java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>             at
>>         java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>             at java.lang.Thread.run(Thread.java:745)
>>         Caused by: org.jboss.resteasy.spi.UnhandledException:
>>         java.lang.NullPointerException
>>             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:149)
>>             at
>>         org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:372)
>>             at
>>         org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
>>             at
>>         org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
>>             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:86)
>>             at
>>         io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130)
>>             at
>>         org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:59)
>>             ... 29 more
>>         Caused by: java.lang.NullPointerException
>>             at
>>         org.keycloak.protocol.oidc.TokenManager.addComposites(TokenManager.java:353)
>>             at
>>         org.keycloak.protocol.oidc.TokenManager.createClientAccessToken(TokenManager.java:193)
>>             at
>>         org.keycloak.protocol.oidc.TokenManager$AccessTokenResponseBuilder.generateAccessToken(TokenManager.java:412)
>>             at
>>         org.keycloak.protocol.oidc.endpoints.TokenEndpoint.buildResourceOwnerPasswordCredentialsGrant(TokenEndpoint.java:358)
>>             at
>>         org.keycloak.protocol.oidc.endpoints.TokenEndpoint.build(TokenEndpoint.java:113)
>>             at sun.reflect.GeneratedMethodAccessor204.invoke(Unknown
>>         Source)
>>             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)
>>             ... 37 more
>>
>>
>>         Regards
>>
>>         Orestis
>>
>>
>>         _______________________________________________
>>         keycloak-user mailing list
>>         keycloak-user at lists.jboss.org
>>         <mailto:keycloak-user at lists.jboss.org>
>>         https://lists.jboss.org/mailman/listinfo/keycloak-user
>
>
>

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