Hi,
I suddenly started getting that error and I have no idea why. I have
not changed my code really - certainly did not touch anything DB
related.
I only upgraded mvn-gae-plugin from 0.5.6 to 0.7.2 [so it could accept
1.3.7 instead of reversing to 1.3.1 all the time] and deployed without
problems. Later I also upgraded maven-datanucleus-plugin from 1.1.4 to
2.1.0 and I think that it worked afterwards. Anyways, some time later
I started getting this error:
Caused by:
org.datanucleus.jdo.exceptions.ClassNotPersistenceCapableException:
The class "The class "model.User" is not persistable. This means that
it either hasnt been enhanced, or that the enhanced version of the
file is not in the CLASSPATH (or is hidden by an unenhanced version),
or the Meta-Data/annotations for the class are not found." is not
persistable. This means that it either hasnt been enhanced, or that
the enhanced version of the file is not in the CLASSPATH (or is hidden
by an unenhanced version), or the Meta-Data for the class is not
found.
NestedThrowables:
org.datanucleus.exceptions.ClassNotPersistableException: The class
"model.User" is not persistable. This means that it either hasnt been
enhanced, or that the enhanced version of the file is not in the
CLASSPATH (or is hidden by an unenhanced version), or the Meta-Data/
annotations for the class are not found.
at
org.datanucleus.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:
241)
at
org.datanucleus.jdo.JDOPersistenceManager.newObjectIdInstance(JDOPersistenceManager.java:
1571)
at
org.datanucleus.jdo.JDOPersistenceManager.getObjectById(JDOPersistenceManager.java:
1767)
at
org.datanucleus.store.appengine.jdo.DatastoreJDOPersistenceManager.getObjectById(Datasto
I have reversed both plugin changes and got back to old versions. It
runs on 1.3.1 SDK now. I have cleaned and recompiled the project.
Updated all dependencies and plugins. Rebuilt the project few times.
And nothing helped. So what's the solution? Where can the problem be?
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