ObjectDB ObjectDB

Internal Website Search

31-40 of 149 resultsRefresh
47

exception during online backup

hi from time to time i get exception during online backup in server/client config: Exception in ... ("objectdb backup"); backupQuery.execute(); but this is not an urgent functionality for us br ... backup extensively while the database is in use (unless of course you already have such a test
47

Catching exceptions from client-server mode online backup

We're using the following to trigger an online backup and we're trying to implement server-side online backup (as discussed in https://www.objectdb.com/forum/2737). EntityManager em = database.createEntityManager(); TypedQuery<Thread> backupQuery = em.createQuery("objectdb backup", Thread.class
45

Backup from explorer

Is it possible to make a backup from the explorer? jastorga Juan If the database is not in use you can use the File > Open dialog and then copy and paste on the database file (right click a database file to see the copy command). But a safe online backup (while the database is in use) is not supported. support Support
44

Online backup in embedded mode fails

Hi, As in topic. "online backup" fails when executed in embedded mode. Everything works fine with server mode. java.lang.NullPointerException at com.objectdb.o.BAC.<init>(BAC.java:63) at com.objectdb.o.MST.U4(MST.java:1764) at com.objectdb.o.MST.U3(MST.java:1745) at com.objectdb.o.WRA.U3(WRA
9

Online Backup

An ObjectDB database file can be backed up simply by copying the file (with the associated recovery file if exists). This should only be done when the database is closed. Online backup will enable backup also when the database is open and in use. support Support Online backup is now implemented in ObjectDB 2.1. support Support
8

Database Management Settings

for backup purposes and for debugging (by providing the ability to reproduce problems by replay ... is "all" or "write") specifies which operations should be recorded. For backup purposes only "write
6

Chapter 4 - JPA Queries (JPQL / Criteria)

, based on JPQL. The first section describes the API that JPA provides for using dynamic and static
6

Schema Update

- will create new, separate persistable classes with no instances. Therefore, you should backup
6

Database Doctor

and often. It is also recommended to validate production database files (or their backups) often by
0

javax.jdo.PersistenceManagerFactory

that dynamically binds on each method call to an instance of PersistenceManager. Get a thread-safe instance of a proxy that dynamically binds on each method call to an instance of PersistenceManager ... a server to dynamically bind to an instance from this factory associated with the thread's current

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