ObjectDB ObjectDB

Internal Website Search

81-90 of 181 resultsRefresh
1

Is it possible to remove parent/child entities without refresh?

.persistence.RollbackException Failed to commit transaction: (error 613)). Do you have an idea
1

No clue how to query with collection

Adam hi, okay I've decided that selecting the first item of a collection ain't be a good idea. now I
1

in-memory and on-disk support?

- a very large cache (40GB) has not been tested yet. Starting with a 800GB database file seems as a good idea in
1

Mismatch client-server protocol prefix

have no idea why this lead to a such a weird behavior. In fact the transaction manager
1

EntityManager getMetamodel() causes crash

of Point. But I was hoping to get an idea of what the EM thought it had as a list of (persistent
1

TreeSet and compareTo() issue

TreeSet<>(); I presume the NPE is either on the 'dropdownValue' or 'ddv' variable. Any ideas how to sort
1

Double persist of Entity field with Cascade.ALL

) private Long id; private String chapterTitle; The idea is that after I make changes to the Book class
1

Query fails with numerical values > 2^31

-statement failing me with numbers above 2147483648 ? Any ideas? Thanks for helping, BG, Jeroen
1

NullpointerException when execute a merge

, we do not get this error. During development, we work with non-enhanced classes. Have you an idea
0

Can't open replicated database

Szurgot Yes, this should be fixed in one of the next builds. support Support Any idea

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