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Broken @ManyToOne reference

, eventually is works! Seems I caused 5 new releases in 3 days :-) To be continued... tsichevski Vladimir

Significant I/O costs during batch update or insert data.

Our application has some complex entities. We do batch update(merge detached entity) every 2 minutes. We find the period significant IO costs these days, and disappeared when turn off the batch updating. 1.ObjectDB is in embedded mode. 2.ObjectDB version is 2.3.7 3.Database file size is nearly

Too many persistable types (>10) - exceeds evaluation limit

.xml files should be discussed in a new thread. support Support A 30 days evaluation licence


haven't had this issue yet with ObjectDB, but during my early days with hibernate I got this extensively


i need them every month for 2 days to deal with very high loads. How would i license them? Currently

Fetching Collections Puzzle

, which was the root of the problem. Have a beautiful day ! paulk Paul Kant

PersistenceException UserException: Failed to validate persistence.xml

I'm really tired of looking at the same exception all day. I have DaoService which gets initialized when app starts. public DaoService() { Map<String, String> properties = new HashMap<String, String>(); properties.put("javax.persistence.jdbc.user", "admin"); properties.put("javax

cannot delete objects after crash (see issue 2283)

. For us it is important that there is work done on optimizing that case, not within some days, for sure

Referential Integrity

. But declarative referential integrity is a must from day one that developer request for his datatstore

Critical error:: com.objectdb.o.InternalException: Unexpected internal exception with query

license as well as our customer does and we need to ship this product in the next days

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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