[jira] [Created] (CXF-7264) NPE on OAuth Resource Owner flow and JPA

["gonzalad (JIRA)" <ji...@apache.org>]

gonzalad created CXF-7264:
-----------------------------

             Summary: NPE on OAuth Resource Owner flow and JPA
                 Key: CXF-7264
                 URL: https://issues.apache.org/jira/browse/CXF-7264
             Project: CXF
          Issue Type: Bug
    Affects Versions: 3.1.10
            Reporter: gonzalad


Hello,

I'm using the org.apache.cxf.rs.security.oauth2.grants.code.JPACMTCodeDataProvider oauthProvider.

Whenever I call a RO flow, i.e. like :
curl -v -X POST http://localhost:9080/oidc/oauth2/token -d "grant_type=password&username=alice&password=alice&scope=openid" -u PMEvtbd94ca6oQ:_gSNdEM4ELeZ57h8FuVQpQ

I get :

{code}
idp_1  | javax.persistence.PersistenceException: org.hibernate.WrongClassException: Object with id: null was not of the specified subclass: org.apache.cxf.rs.security.oauth2.common.UserSubject (class of the given object did not match class of persistent copy)
idp_1  | 	at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1387)
idp_1  | 	at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1310)
idp_1  | 	at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1316)
idp_1  | 	at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:898)
idp_1  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
idp_1  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
idp_1  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
idp_1  | 	at java.lang.reflect.Method.invoke(Method.java:498)
idp_1  | 	at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:298)
idp_1  | 	at com.sun.proxy.$Proxy73.merge(Unknown Source)
idp_1  | 	at org.apache.cxf.rs.security.oauth2.provider.JPAOAuthDataProvider$12.execute(JPAOAuthDataProvider.java:270)
idp_1  | 	at org.apache.cxf.rs.security.oauth2.provider.JPAOAuthDataProvider$12.execute(JPAOAuthDataProvider.java:251)
idp_1  | 	at org.apache.cxf.rs.security.oauth2.provider.JPAOAuthDataProvider.executeInTransaction(JPAOAuthDataProvider.java:88)
idp_1  | 	at org.apache.cxf.rs.security.oauth2.provider.JPAOAuthDataProvider.saveAccessToken(JPAOAuthDataProvider.java:251)
idp_1  | 	at org.apache.cxf.rs.security.oauth2.provider.AbstractOAuthDataProvider.createAccessToken(AbstractOAuthDataProvider.java:64)
idp_1  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
idp_1  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
idp_1  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
idp_1  | 	at java.lang.reflect.Method.invoke(Method.java:498)
idp_1  | 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
idp_1  | 	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
idp_1  | 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
idp_1  | 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
idp_1  | 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282)
idp_1  | 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
idp_1  | 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
idp_1  | 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
idp_1  | 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
idp_1  | 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
idp_1  | 	at com.sun.proxy.$Proxy74.createAccessToken(Unknown Source)
{code}

This comes from LOC : 
sub1 = (UserSubject)em.merge(serverToken.getSubject());

It returns serverToken.getSubject() and the subject in db are of different types and merge fails :
serverToken.getSubject()
	class org.apache.cxf.rs.security.oauth2.common.UserSubject
em.find(UserSubject.class, serverToken.getSubject().getId())
	class org.apache.cxf.rs.security.oidc.idp.OidcUserSubject



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