Very confusing! I have some pretty straightforward code that worked fine with
the 1.0beta2-era CVS build I had, but that now breaks after upgrading to 1.0.1:
@Entity
| @Name("changeset")
| public class Changeset {
| ...
| private Long id;
| ...
| @Id @GeneratedValue
| public Long getId()
| {
| return id;
| }
| ...
| public List queryChangedObjects (Session database) {
| Query query = database.createQuery("from BlogPostImpl bp where
bp.replicatedChangeset = :changeset")
| .setParameter("changeset", this);
| List ret = query.list();
| log.debug("Got list of changed objects in " + this + ", it's " + ret);
| return ret;
| }
| }
The query.list() call breaks with this stacktrace:
[testng] java.lang.ClassCastException:
org.hibernate.action.DelayedPostInsertIdentifier
| [testng] at org.hibernate.type.LongType.set(LongType.java:42)
| [testng] at
org.hibernate.type.NullableType.nullSafeSet(NullableType.java:83)
| [testng] at
org.hibernate.type.NullableType.nullSafeSet(NullableType.java:65)
| [testng] at
org.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:77)
| [testng] at
org.hibernate.loader.hql.QueryLoader.bindNamedParameters(QueryLoader.java:515)
| [testng] at
org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1577)
| [testng] at org.hibernate.loader.Loader.doQuery(Loader.java:661)
| [testng] at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
| [testng] at org.hibernate.loader.Loader.doList(Loader.java:2145)
| [testng] at
org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)
| [testng] at org.hibernate.loader.Loader.list(Loader.java:2024)
| [testng] at
org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:392)
| [testng] at
org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:333)
| [testng] at
org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
| [testng] at
org.hibernate.impl.SessionImpl.list(SessionImpl.java:1114)
| [testng] at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
| [testng] at
com.robjsoftware.replog.replicated.Changeset.queryChangedObjects(Changeset.java:77)
| [testng] at
com.robjsoftware.replog.test.ChangesetTest$2.invokeApplication(ChangesetTest.java:77)
| [testng] at
org.jboss.seam.mock.SeamTest$Script.run(SeamTest.java:242)
| [testng] at
com.robjsoftware.replog.test.ChangesetTest.testChangeset(ChangesetTest.java:57)
Why in heaven's name would this have worked up until I upgraded to 1.0.1???
The only changes I made in the upgrade were those necessary to get things
compiling (e.g. adding @GeneratedValue, etc.). Where could this exception be
coming from and how can I address it?
I also posted to the Hibernate forum asking about this error, which one other
person reported there after going to Hibernate 3.2CR2 (and got no reply to
their report). (That post is here:
http://forum.hibernate.org/viewtopic.php?p=2312158#2312158)
Really not sure what to do about this. The Changeset I am calling
queryChangedObjects on has definitely been persisted and flushed already by the
time I call queryChangedObjects.
Help?!
Thanks,
Rob
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