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peterpumpkin
 Post subject: hib 2.1beta5 with oscache and disk caching enabled problem
PostPosted: Fri Oct 31, 2003 8:42 am 
Beginner
Beginner

Joined: Fri Aug 29, 2003 10:01 am
Posts: 34
Location: florence, italy
I am using happily oscache with hib 2.1beta5 with memory caching (in a non clustered environment). But if I turn on DiskPersistenceListener, with say a simple query

from tob in class com.twproject.resource.Operator where tob.id in (?)

with value "1" and type = net.sf.hibernate.type.StringType, I get

Quote:
Caused by: net.sf.hibernate.MappingException: No persister for: java.lang.String
at net.sf.hibernate.impl.SessionFactoryImpl.getPersister(SessionFactoryImpl.java:331)
at net.sf.hibernate.impl.SessionImpl.getEntityIdentifierIfNotUnsaved(SessionImpl.java:2659)
at net.sf.hibernate.type.EntityType.getIdentifier(EntityType.java:66)
at net.sf.hibernate.type.EntityType.isDirty(EntityType.java:147)
at net.sf.hibernate.type.TypeFactory.findDirty(TypeFactory.java:225)
at net.sf.hibernate.persister.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:248)
at net.sf.hibernate.impl.SessionImpl.flushEntity(SessionImpl.java:2414)
at net.sf.hibernate.impl.SessionImpl.flushEntities(SessionImpl.java:2372)
at net.sf.hibernate.impl.SessionImpl.flushEverything(SessionImpl.java:2248)
at net.sf.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:1785)


I am unable to see the relation of the exception with the disk cache. Am I the only one with this problem ?
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peterpumpkin
 Post subject: sense of disk caching
PostPosted: Mon Nov 03, 2003 4:27 am 
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Beginner

Joined: Fri Aug 29, 2003 10:01 am
Posts: 34
Location: florence, italy
actually this lead me tho think about whether it makes sense to have a disk cache with database persistence, and hence there is a thread on the oscache mailing list:
http://sourceforge.net/mailarchive/forum.php?forum_id=4754
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gavin
 Post subject:
PostPosted: Mon Nov 03, 2003 4:40 am 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 12:50 pm
Posts: 5130
Location: Melbourne, Australia
Ah are you absolutely certain that this is the real underlying exception? have a look to see if you are somehow swallowing an earlier exception, or if there is something else earlier in the log.

If you think this really is correct, please add something to JIRA so I can take a look, but please make sure I can run it easily and immediately see the error.
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