ClassCastException when serializing an entity if DetachedStateField=true
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Key: OPENJPA-1900
URL: https://issues.apache.org/jira/browse/OPENJPA-1900
Project: OpenJPA
Issue Type: Bug
Components: kernel
Affects Versions: 2.0.1, 2.1.0
Reporter: Mark Struberg
Fix For: 2.1.0
When using
<property name="openjpa.DetachState"
value="fetch-groups(DetachedStateField=true)"/>
serializing an entity leads to the following Exception:
java.lang.ClassCastException: org.apache.openjpa.kernel.StateManagerImpl cannot
be cast to org.apache.openjpa.kernel.DetachedStateManager
at org.apache.openjpa.util.Proxies.writeReplace(Proxies.java:147)
at org.apache.openjpa.util.java$util$Date$proxy.writeReplace(Unknown
Source)
at sun.reflect.GeneratedMethodAccessor176.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
java.io.ObjectStreamClass.invokeWriteReplace(ObjectStreamClass.java:1032)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1107)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at
org.apache.openjpa.kernel.SingleFieldManager.serialize(SingleFieldManager.java:545)
at
org.apache.openjpa.kernel.StateManagerImpl.writeDetached(StateManagerImpl.java:1478)
at
at.ac.tuwien.tiss.curriculum.be.entities.CurriculumVersion.writeExternal(CurriculumVersion.java)
at
java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1421)
This seems related to OPENJPA-1597
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