ClassCastException when serializing an entity if DetachedStateField=true ------------------------------------------------------------------------
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 -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.