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From "Patrick Linskey (JIRA)" <>
Subject [jira] Commented: (OPENJPA-315) Unenhanced generated id field of a primitive wrapper type causes NPE
Date Tue, 28 Aug 2007 17:27:30 GMT


Patrick Linskey commented on OPENJPA-315:

> Please review and apply this test. 

What is "this test"? Are you referring to the patch associated with this issue? If so, how
do the changes in not resolve this issue?
Note that if you hit the 'subversion commits' tab (or the 'all' tab) in the comments section,
you'll see all commits associated with a particular JIRA issue.

Also, from a process standpoint, it's fine to create test case patches that will cause the
build to fail when they are applied; presumably, the person who grabs the patch and applies
it expects to use the test case to validate that a fix works.

> Unenhanced generated id field of a primitive wrapper type causes NPE
> --------------------------------------------------------------------
>                 Key: OPENJPA-315
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>            Reporter: Dain Sundstrom
>            Priority: Critical
>             Fix For: 1.0.0
>         Attachments: OPENJPA-315.patch
> Unenhanced generated id field of a primitive wrapper type causes NPE because the field
value is null.  This bug only occurs when the id field is an object type as primitive fields
are automatically initialized to 0.  I believe this is a critical bug because when using a
primitive field the system appears to work but the id field is always 0 which could cause
data corruption.  The following stack trace shows the bug:
> <openjpa-0.0.0-r420667:564688M nonfatal general error> org.apache.openjpa.persistence.PersistenceException:
> 	at org.apache.openjpa.kernel.BrokerImpl.persist(
> 	at org.apache.openjpa.kernel.BrokerImpl.persist(
> 	at org.apache.openjpa.kernel.DelegatingBroker.persist(
> 	at org.apache.openjpa.persistence.EntityManagerImpl.persist(
> 	at org.apache.openjpa.enhance.AbstractUnenhancedClassTest.getObjectIdHelper(
> 	at org.apache.openjpa.enhance.AbstractUnenhancedClassTest.testGetObjectIdOnOpenJPAType(
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(
> 	at com.intellij.rt.execution.junit.JUnitStarter.main(
> Caused by: java.lang.NullPointerException
> 	at org.apache.openjpa.util.ApplicationIds.fromPKValues(
> 	at org.apache.openjpa.enhance.ReflectingPersistenceCapable.pcNewObjectIdInstance(
> 	at org.apache.openjpa.util.ApplicationIds.create(
> 	at org.apache.openjpa.kernel.BrokerImpl.persist(
> 	... 23 more
> The attached patch reproduces this bug.  The patch is a clone of TestUnenhancedFieldAccess
that simply changes the id field to type Integer. 

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