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JPQL JOIN FETCH Error

works on Hibernate with Oracle / MySQL / Postgres, so I'm assuming the JPQL is valid. Any ideas ... so. Note that there is only one single object (doi) in the db. Ideas? Also: (strangely) if try
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Missing Data on Retrieval (0, null values)

. The main idea of an object database and of JPA is using standard (POJO) classes to persist data ... ,  but the  object values are not consistend. I've no idea how to go on. I want to export the data from
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Monitoring and Performance counters

result class or just query with ResultSet.  Here are additional ideas from the Server connection ... closed would be great. Any idea for other useful information will be welcome. Hi! Is there any
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Null returned by Persistence.createEntityManagerFactory

to connect to. Any ideas what could be causing this? Thanks, elks   As you can see in the following code ... exception. I'm trying to figure out if there is some kind of configuration issue. Thanks, elks No idea
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PersistenceManager.getObjectsById(Collection,boolean) throwing JDOException

I have a call to getObjectsById(Collection,boolean) that is throwing a JDOException the first time I'm attempting to retrieve an object. If I try again, then the second request succeeds. Any idea ... (AbstractObjectDBDatabase.java:259)   The stack trace provides general idea about the problem. Please try build 2
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Server connection management

or all connections closed would be great. Good ideas. I added them to the Monitoring and Performance counters feature request. You may subscribe to this issue and suggest additional ideas. felixobjectdb FastModel
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Storing Images

will be using byte[]. Just an idea - a predefined persistable Image class could be useful. Maybe as part of a set of common entity classes for general use. > Just an idea - a predefined persistable
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Object as parameter results in exception

this query the way it is? Please ignore my original post - the literals are a pretty bad idea ... the idea of replacing literals with parameters automatically - this is something that ObjectDB should do as
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"Automatic" Auditing

Any ideas around how I could do "automatic" auditing of changes to objects? (An equivalent to Hibernate's Envers) Thanks. Michael. You may try the following: Define the entity class with a composite primary key [id, revision]. Never delete entity objects - alway update an object by persisting
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"Problem" with cross join

am not sure, if this query is JPA conform, but I have'nt a idea how can I retrive the data in