Unenhanced complex id in MappedSuperclass causes NPE
----------------------------------------------------
Key: OPENJPA-314
URL: https://issues.apache.org/jira/browse/OPENJPA-314
Project: OpenJPA
Issue Type: Bug
Components: jpa
Reporter: Dain Sundstrom
Fix For: 1.0.0
When I have a complex id within an unenhanced MappedSuperClass, I get a NPE
when calling persist. The NPE appears to be caused because
ClassMetaData.getField(int) does not take unenhanced MappedSuperclass fields
into account. Here is the stack trace:
<openjpa-0.0.0-r420667:564688M nonfatal general error>
org.apache.openjpa.persistence.PersistenceException: null
at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2437)
at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2251)
at
org.apache.openjpa.kernel.DelegatingBroker.persist(DelegatingBroker.java:1010)
at
org.apache.openjpa.persistence.EntityManagerImpl.persist(EntityManagerImpl.java:541)
at
org.apache.openjpa.enhance.TestUnenhancedCompoundPKSubclass.compoundPKHelper(TestUnenhancedCompoundPKSubclass.java:46)
at
org.apache.openjpa.enhance.TestUnenhancedCompoundPKSubclass.testCompoundPKFieldAccessUserDefined(TestUnenhancedCompoundPKSubclass.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at
com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:40)
Caused by: java.lang.NullPointerException
at
org.apache.openjpa.util.ApplicationIds$PrimaryKeyFieldManager.retrieve(ApplicationIds.java:568)
at
org.apache.openjpa.util.ApplicationIds$PrimaryKeyFieldManager.fetchIntField(ApplicationIds.java:537)
at
org.apache.openjpa.enhance.org$apache$openjpa$enhance$UnenhancedCompoundPKFieldAccessSubclass$pcsubclass.pcCopyKeyFieldsToObjectId(Unknown
Source)
at
org.apache.openjpa.enhance.PCRegistry.copyKeyFieldsToObjectId(PCRegistry.java:160)
at
org.apache.openjpa.util.ApplicationIds.fromPKValues(ApplicationIds.java:185)
at
org.apache.openjpa.enhance.ReflectingPersistenceCapable.pcNewObjectIdInstance(ReflectingPersistenceCapable.java:257)
at
org.apache.openjpa.util.ApplicationIds.create(ApplicationIds.java:384)
at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2405)
... 23 more
Attached is a test case that reproduces the NPE. The test methods have been
disabled as to not break the build.
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