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  1. JBoss Enterprise Application Platform
  2. JBEAP-19995

[GSS](7.3.z) HHH-13110 - @PreUpdate method on a Embeddable null on the parent caused NullPointerException

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      Please back port HHH-13110

       

      I have a class A with a relation to a BEmbeddable. The BEmbeddable have a @PreUpdate method.

      When creating the entity A with BEmbeddable null, then save A, it tries to call the @PreUpdate on B which is null.

      Basically the problem is that we try to call the method PreUpdate on a null element of B.

      Stack trace of null pointer in Debug:

      invoke:62, NativeMethodAccessorImpl \{sun.reflect}
 invoke:43, DelegatingMethodAccessorImpl \{sun.reflect}
 invoke:498, Method \{java.lang.reflect}
 performCallback:35, EmbeddableCallback \{org.hibernate.jpa.event.internal}
 callback:97, CallbackRegistryImpl \{org.hibernate.jpa.event.internal}
 preCreate:57, CallbackRegistryImpl \{org.hibernate.jpa.event.internal}
 saveWithGeneratedId:116, AbstractSaveEventListener \{org.hibernate.event.internal}
 entityIsTransient:192, DefaultPersistEventListener \{org.hibernate.event.internal}
 onPersist:135, DefaultPersistEventListener \{org.hibernate.event.internal}
 onPersist:62, DefaultPersistEventListener \{org.hibernate.event.internal}
 firePersist:800, SessionImpl \{org.hibernate.internal}
 persist:785, SessionImpl \{org.hibernate.internal}

      Line 62 is `invoke0(method, obj, args)` with method = @PreUpdate method and obj is null.

      Maybe a null check is missing in `performCallback:35, EmbeddableCallback org.hibernate.jpa.event.internal`

      @Override@Override public boolean performCallback(Object entity) { try

{ Object embeddable = embeddableGetter.get( entity ); // <--- embeddable is null callbackMethod.invoke( embeddable ); //<-- missing at least null check here? return true; }

catch (InvocationTargetException e) { //keep runtime exceptions as is if ( e.getTargetException() instanceof RuntimeException )

{ throw (RuntimeException) e.getTargetException(); }

else \{ throw new RuntimeException( e.getTargetException() ); } } catch (Exception e) \{ throw new RuntimeException( e ); } }

      Printed stack trace:

      java.lang.RuntimeException: java.lang.NullPointerExceptionjava.lang.RuntimeException: java.lang.NullPointerException
 at org.hibernate.jpa.event.internal.EmbeddableCallback.performCallback(EmbeddableCallback.java:48) at org.hibernate.jpa.event.internal.CallbackRegistryImpl.callback(CallbackRegistryImpl.java:97) at org.hibernate.jpa.event.internal.CallbackRegistryImpl.preCreate(CallbackRegistryImpl.java:57) at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:116) at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:192) at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:135) at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:62) at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:800) at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:785) 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.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:301) at com.sun.proxy.$Proxy113.persist(Unknown Source) at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:508) 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.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:515) at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:500) at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:477) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:56) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:133) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:57) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) at com.sun.proxy.$Proxy152.save(Unknown Source)

              chaowan@redhat.com Chao Wang
              rhn-support-toross Tom Ross
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