Oscar Bou created ISIS-1119:
-------------------------------

             Summary: Bi-Directional 1-1 relationship throws a 
MetaModelException due to StackOverflowException
                 Key: ISIS-1119
                 URL: https://issues.apache.org/jira/browse/ISIS-1119
             Project: Isis
          Issue Type: Bug
          Components: Core: Objectstore: JDO
    Affects Versions: core-1.8.0
            Reporter: Oscar Bou
            Assignee: Dan Haywood


I have 2 bi-directional entities with properties defined as:

Entity 1 property:


{code:java}

public class Kit {

    // {{ RegisteredForPerson (property)
    private Person registeredForPerson;

    // Must be updated through the Action !!!
    @Property(editing = Editing.DISABLED)
    @MemberOrder(sequence = "1")
    @Column(allowsNull = "true")
    public Person getRegisteredForPerson() {
        return this.registeredForPerson;
    }

    public void setRegisteredForPerson(final Person registeredForPerson) {
        this.registeredForPerson = registeredForPerson;
    }

    // }}

}
{code}

Entity 2 property:

{code:java}

public class Person {

    // {{ RegisteredKit (property)
    private Kit registeredKit;

    @MemberOrder(sequence = "010")
    @Property(editing = Editing.DISABLED)
    @Column(allowsNull = "true")
    @Persistent(mappedBy = "registeredForPerson")
    public Kit getRegisteredKit() {
        return this.registeredKit;
    }

    public void setRegisteredKit(final Kit registeredKit) {
        this.registeredKit = registeredKit;
    }

    // }}

}
{code}

As per [1], seems DataNucleus require bi-directional 1-1 relationships to be 
maintained at both sides by the programmer (they're not automatically managed).

So I must set both sides:

{code:java}
            this.setRegisteredKit(kit);

            // A 1-1 bi-directional relationship must be maintained at both
            // sides, as per:
            // 
http://www.datanucleus.org/products/datanucleus/jdo/orm/one_to_one.html#bi
            kit.setRegisteredForPerson(this);

{code}

But that generates an StackOverflowException.

[1] http://www.datanucleus.org/products/datanucleus/jdo/orm/one_to_one.html#bi



java.lang.RuntimeException: 
org.apache.isis.core.metamodel.exceptions.MetaModelException: 
java.lang.StackOverflowError
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.FrameworkSynchronizer.withLogging(FrameworkSynchronizer.java:337)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.FrameworkSynchronizer.withLogging(FrameworkSynchronizer.java:346)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.FrameworkSynchronizer.preDirtyProcessingFor(FrameworkSynchronizer.java:229)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.IsisLifecycleListener$4.doRun(IsisLifecycleListener.java:111)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.IsisLifecycleListener$RunnableAbstract.run(IsisLifecycleListener.java:206)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.IsisLifecycleListener.withLogging(IsisLifecycleListener.java:185)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.IsisLifecycleListener.preDirty(IsisLifecycleListener.java:107)
        at 
org.datanucleus.api.jdo.JDOCallbackHandler.preDirty(JDOCallbackHandler.java:262)
        at 
org.datanucleus.state.JDOStateManager.updateField(JDOStateManager.java:2007)
        at 
org.datanucleus.state.JDOStateManager.setObjectField(JDOStateManager.java:1935)
        at 
com.tellmegen.domain.model.accounts.Person.setRegisteredKit(Person.java)
        at 
com.tellmegen.domain.model.accounts.Person.registerKit(Person.java:161)
        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.apache.isis.core.metamodel.facets.actions.action.invocation.ActionInvocationFacetForDomainEventAbstract.internalInvoke(ActionInvocationFacetForDomainEventAbstract.java:337)
        at 
org.apache.isis.core.metamodel.facets.actions.action.invocation.ActionInvocationFacetForDomainEventAbstract.invoke(ActionInvocationFacetForDomainEventAbstract.java:189)
        at 
org.apache.isis.core.runtime.transaction.facets.ActionInvocationFacetWrapTransaction$1.execute(ActionInvocationFacetWrapTransaction.java:57)
        at 
org.apache.isis.core.runtime.transaction.facets.ActionInvocationFacetWrapTransaction$1.execute(ActionInvocationFacetWrapTransaction.java:1)
        at 
org.apache.isis.core.runtime.system.transaction.IsisTransactionManager.executeWithinTransaction(IsisTransactionManager.java:205)
        at 
org.apache.isis.core.runtime.transaction.facets.ActionInvocationFacetWrapTransaction.invoke(ActionInvocationFacetWrapTransaction.java:54)
        at 
org.apache.isis.core.metamodel.specloader.specimpl.ObjectActionImpl.execute(ObjectActionImpl.java:367)
        at 
org.apache.isis.core.wrapper.handlers.DomainObjectInvocationHandler.handleActionMethod(DomainObjectInvocationHandler.java:610)
        at 
org.apache.isis.core.wrapper.handlers.DomainObjectInvocationHandler.invoke(DomainObjectInvocationHandler.java:244)
        at 
org.apache.isis.core.wrapper.proxy.ProxyInstantiatorForJavassist$1.invoke(ProxyInstantiatorForJavassist.java:52)
        at 
com.tellmegen.domain.model.accounts.Person_$$_jvstef_5.registerKit(Person_$$_jvstef_5.java)
        at com.tellmegen.domain.model.kits.Kit.assignToPerson(Kit.java:163)
        at 
com.tellmegen.integtests.domain.model.kits.KitTests.tenancy_accountHasAccessToHisKits(KitTests.java:109)
        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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at 
org.apache.isis.core.unittestsupport.jmocking.JUnitRuleMockery2$1.evaluate(JUnitRuleMockery2.java:146)
        at 
org.apache.isis.core.integtestsupport.ExceptionRecognizerTranslate$TranslationStatement.evaluate(ExceptionRecognizerTranslate.java:32)
        at 
org.apache.isis.core.integtestsupport.IntegrationTestAbstract$IsisTransactionRule$1.evaluate(IntegrationTestAbstract.java:214)
        at 
org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:239)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        at 
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
        at 
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: org.apache.isis.core.metamodel.exceptions.MetaModelException: 
java.lang.StackOverflowError
        at 
org.apache.isis.core.commons.lang.ThrowableExtensions.throwWithinIsisException(ThrowableExtensions.java:60)
        at 
org.apache.isis.core.commons.lang.MethodExtensions.invoke(MethodExtensions.java:57)
        at 
org.apache.isis.core.commons.lang.MethodExtensions.invoke(MethodExtensions.java:47)
        at 
org.apache.isis.core.metamodel.adapter.ObjectAdapter$InvokeUtils.invoke(ObjectAdapter.java:346)
        at 
org.apache.isis.core.metamodel.facets.properties.accessor.PropertyAccessorFacetViaAccessor.getProperty(PropertyAccessorFacetViaAccessor.java:73)
        at 
org.apache.isis.core.metamodel.specloader.specimpl.OneToOneAssociationImpl.get(OneToOneAssociationImpl.java:131)
        at 
org.apache.isis.core.runtime.system.transaction.IsisTransaction$AdapterAndProperty.getPropertyValue(IsisTransaction.java:1179)
        at 
org.apache.isis.core.runtime.system.transaction.IsisTransaction$AdapterAndProperty.access$0(IsisTransaction.java:1178)
        at 
org.apache.isis.core.runtime.system.transaction.IsisTransaction.enlistUpdating(IsisTransaction.java:1332)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.FrameworkSynchronizer$4.run(FrameworkSynchronizer.java:259)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.FrameworkSynchronizer$8.call(FrameworkSynchronizer.java:350)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.FrameworkSynchronizer$8.call(FrameworkSynchronizer.java:1)
        at 
org.apache.isis.objectstore.jdo.datanucleus.persistence.FrameworkSynchronizer.withLogging(FrameworkSynchronizer.java:335)
        ... 58 more
Caused by: java.lang.StackOverflowError
        at 
org.datanucleus.properties.PropertyStore.hasProperty(PropertyStore.java:65)
        at 
org.datanucleus.ExecutionContextImpl.getBooleanProperty(ExecutionContextImpl.java:868)
        at 
org.datanucleus.TransactionImpl.getOptimistic(TransactionImpl.java:634)
        at 
org.datanucleus.api.jdo.state.PersistentNontransactional.transitionReadField(PersistentNontransactional.java:151)
        at 
org.datanucleus.state.AbstractStateManager.transitionReadField(AbstractStateManager.java:650)
        at 
org.datanucleus.state.JDOStateManager.isLoaded(JDOStateManager.java:3194)
        at 
com.tellmegen.domain.model.accounts.Account.getApplicationUser(Account.java)
        at 
com.tellmegen.domain.model.accounts.Account.jdoGetemail(Account.java:76)
        at 
com.tellmegen.domain.model.accounts.Account.jdoCopyField(Account.java)
        at 
com.tellmegen.domain.model.accounts.Account.jdoCopyFields(Account.java)
        at 
org.datanucleus.state.JDOStateManager.saveFields(JDOStateManager.java:694)
        at 
org.datanucleus.api.jdo.state.PersistentNontransactional.transitionReadField(PersistentNontransactional.java:154)
        at 
org.datanucleus.state.AbstractStateManager.transitionReadField(AbstractStateManager.java:650)
        at 
org.datanucleus.state.JDOStateManager.isLoaded(JDOStateManager.java:3194)
        at 
com.tellmegen.domain.model.accounts.Account.getApplicationUser(Account.java)
        at 
com.tellmegen.domain.model.accounts.Account.jdoGetemail(Account.java:76)
        at 
com.tellmegen.domain.model.accounts.Account.jdoCopyField(Account.java)
        at 
com.tellmegen.domain.model.accounts.Account.jdoCopyFields(Account.java)
        at 
org.datanucleus.state.JDOStateManager.saveFields(JDOStateManager.java:694)
        at 
org.datanucleus.api.jdo.state.PersistentNontransactional.transitionReadField(PersistentNontransactional.java:154)
        at 
org.datanucleus.state.AbstractStateManager.transitionReadField(AbstractStateManager.java:650)
        at 
org.datanucleus.state.JDOStateManager.isLoaded(JDOStateManager.java:3194)
        at 
com.tellmegen.domain.model.accounts.Account.getApplicationUser(Account.java)
        at 
com.tellmegen.domain.model.accounts.Account.jdoGetemail(Account.java:76)
        at 
com.tellmegen.domain.model.accounts.Account.jdoCopyField(Account.java)
        at 
com.tellmegen.domain.model.accounts.Account.jdoCopyFields(Account.java)
        at 
org.datanucleus.state.JDOStateManager.saveFields(JDOStateManager.java:694)
        at 
org.datanucleus.api.jdo.state.PersistentNontransactional.transitionReadField(PersistentNontransactional.java:154)
        at 
org.datanucleus.state.AbstractStateManager.transitionReadField(AbstractStateManager.java:650)
        at 
org.datanucleus.state.JDOStateManager.isLoaded(JDOStateManager.java:3194)
        at 
com.tellmegen.domain.model.accounts.Account.getApplicationUser(Account.java)
        at 
com.tellmegen.domain.model.accounts.Account.jdoGetemail(Account.java:76)
        at 
com.tellmegen.domain.model.accounts.Account.jdoCopyField(Account.java)
        at 
com.tellmegen.domain.model.accounts.Account.jdoCopyFields(Account.java)
        at 
org.datanucleus.state.JDOStateManager.saveFields(JDOStateManager.java:694)



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