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53

OR not working with isNull

Given the following: Predicate isOwnedByUser = cb.equal(root.get("owner").get("id"), userId); Predicate ownerIsNull = cb.isNull(root.get("owner")); Predicate ownerMatchesOrIsNull = cb.or(ownerIsNull, isOwnedByUser); The isNull predicate will only match records when NOT inside the OR predicate
53

Eclipse - Maven - Dependencies not getting automatically reflected

are not getting displayed. Say if I input springframework, it only reflect the jars that installed
53

Activation key causes database to not start

afterwords. zmirc Mircea Chirac You can check whether ObjectDB is activated or not using
53

Null enums and IS (NOT) NULL: NullPointerException

Hello. I'm getting NullPointerException when adding %enum field% IS (NOT) NULL or == (!=) NULL in WHERE clause. The same exception using CriteriaQuery. java.lang.NullPointerException at com.objectdb.o.REG.z(REG.java:310) at com.objectdb.o.REG.u(REG.java:161) at com.objectdb.o.CMN.<init>(CMN
53

mapping file is not being loaded

is not found a virtual persistence unit is used and no error is produced. Did you try
53

Last build is not available on Maven Repository

Is there some special reason why the last two builds of 2.3.3 are not available in your Maven repository? mosi0815 Ralph Moser Just checked and 2.3.3_06 was indeed missing (but 2.3.3_05 was there). It is available now (refresh your browser). I will check what went wrong. Thank you for reporting this. support Support
53

Guestbook example from tutorial does not work.

Vendor: Oracle Corporation fjubuu Maik The exception may indicate that the objectdb-jee.jar file is not
53

Persist not working when ObjectDB and another db is used in the same application (through spring) with different tx managers

Hi, Object are not being persisted when ObjectDB and another db is used in the same application (through spring) with different tx managers, please find an example of this below. Any help is greatly appreciate as we are currently evaluating ObjectDB to use in our new enterprise application
10

An entityManager.flush() with many entities is not possible

The following exception occures if we call entityManager.flush() where the corresponding JPA PersistenceContext has many entities and relations. What is the reason for the exception? entityManager.getTransaction().commit() instead of a entityManager.flush() works correctly. Unfortunately I have not
10

Deletion of an entry via the table window always deletes the last entry not the selected one

If I open a class in the explorer via the "Open Table Window" button, select a row by its index and prex "Del" or use right click "Delete" the last entry of the table is removed and not the selected one. If I try the same using the "Open Tree Window" it works as expected. Kevin Kevin Pfaff Thank

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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