PCEnhancer incorrectly generates writes readExternal
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Key: OPENJPA-1704
URL: https://issues.apache.org/jira/browse/OPENJPA-1704
Project: OpenJPA
Issue Type: Bug
Components: kernel
Affects Versions: 2.0.0, 1.2.2
Reporter: Rick Curtis
Assignee: Rick Curtis
OPENJPA-1400 introduced a bug that can be encountered when reading a streamed
object under the following circumstances:
- Using a serializable DetachedStateManager (<property
name="openjpa.DetachState" value="fetch-groups(DetachedStateField=true)"/>)
- The Entity needs to have a version field AND either:
- If no inheritance, a 'proxyable' (ie: java.sql.Date, java.util.List) field
with a name that is lexicographically after the version field.
- If using inheritance, a 'proxyable' (ie: java.sql.Date, java.util.List)
field in a child class.
The bug could manifest itself in a number of ways. Below is the one I was able
to reproduce.
java.lang.IllegalArgumentException
at
org.apache.openjpa.persistence.inheritance.serializable.A.pcProvideField(A.java)
at
org.apache.openjpa.kernel.DetachedStateManager.proxyDetachedDeserialized(DetachedStateManager.java:438)
at
org.apache.openjpa.persistence.inheritance.serializable.A.readExternal(A.java)
at
java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at
org.apache.openjpa.persistence.inheritance.serializable.TestSerialization.serializeObject(TestSerialization.java:105)
at
org.apache.openjpa.persistence.inheritance.serializable.TestSerialization.testRoundTrip(TestSerialization.java:48)
...
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