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Type xxx is not found (error 301)

The error: Type User is not found (error 301) occurs when I query the db for a type before any instances of that type have been persisted, e.g.: return em.createQuery ("SELECT a FROM User a").getResultList (); What I was expecting was an empty list, not an error. Is there some enhancement

Storing objects problem

include any indication that the child devices are not empty. Please follow the posting instructions

impossible to drop a table with 50 million objects

when trying to execute in explorer (max heap size 1GByte) delete from LogEntry l it comes up with a Java heap error after 20 minutes of executing. How to empty such a table ? hgzwicker Hans-Georg Zwicker This may be because the transaction size is limited by the heap size. You can try deleting

First query before any of the object has been stored

, and coded to handle that as an empty result. What's really getting thrown is the more general

Getting com.objectdb.o.UserException:

with ObjectDB 2.4.3_01 by specifying an empty path. support Support

Replication failed

_01). Other ideas: verify that both servers on 6136 and 6000 are running, start with an empty

@ElementCollection query returning extra result per element in collection

being confused about JPA2 criteria again. Here is the example output, with a new DB (empty db

Database(*.odb) file size on disk

are reused but the the file not resized. The database is at the end empty again, but larger than the initial

Changes in detach behaviour?

and the em. With 2.3.5_04 I get an empty detached user object back. Only the id is correct

Database absolute filepath

) and create a new empty database. By default it works only for database files with the temp / tmp file name extensions. support Support

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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