ObjectDB ObjectDB

Internal Website Search

121-130 of 200 resultsRefresh
59

Activation key causes database to not start

afterwords. zmirc Mircea Chirac You can check whether ObjectDB is activated or not using
59

JPA does not seem to be db agnostic

The following jpa code works with mysql but not with objectdb. Why would this happen? The provider the both jpas is the same: EclipseLink. The link for the one used with mysql is org.eclipse.persistence.jpa.PersistenceProvider; the one for objectdb is com.objectdb.jpa.Provider (per the tutorials
59

Documentation problem - license does not match implementation

does not allow 10 entity classes. It allows a total of 10 persistable classes - entity and embeddable
59

@Unique added afterward is not taken into account

Hello, I encounter an issue with the @Unique annotation. The annotation was added on a given field itemID (String), important point : the annotation was added afterwards (after objects were already added to the table). As a consequence the unique constraint is not taken into account when persisting
59

can not use spring-data-jpa repository with NamedQuery

: Unsupported feature - Typed Parameters are not supported yet at com.objectdb.o.JPE.g(JPE.java:121) at com
59

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
11

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
11

selective update not working

), which is not allowed in UPDATE queries. See this stackoverflow thread for a more detailed explanation. support Support
11

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
11

Feature Request: Subclassed PersistenceException for Type Not Found in DB Schema

is not found com.objectdb.o._PersistenceException:45 com.objectdb.o.JPE:145 com.objectdb.o.ERR:56 com

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support