Internal Website Search

1-19 of 19 results

Database Replication and Clustering

ObjectDB supports master-slave replication (cluster). When replication (or clustering) is used, the same database is managed on multiple machines (nodes), possibly in different geographic locations. This could help in achieving high availability, fault tolerance and prompt disaster recovery. In

Replication Question

availability and fault tolerance ? Unless the application is read only and no write, as long as

Failover from Master to Slave

. My question is really about fault tolerance . I cannot discuss exactly the scenario because the client work

CAP theorem and object DB

Can someone please explain ObjectDB falls into which category of CAP theorem ? C : Consistency, A: Availability , P : Partition Tolerance   Example:  CA == SQL Server, Oracle, Sybase, MySQL CP == MongoDB, HBase, Redis, MemCache  AP == Cassandra, CouchDB, DynamoDB is ObjectDB

Soft Reference Object Cache Recommendation

faults and fix them, but the soft references to entity objects behaviour seems normal.  

ObjectDB Explorer very slow with remote con

remotely to see, if you provide connection details. support Support It sees that it wasn't Explorer's fault

Problem witch CriteriaBuilder isMember(..)

and 2.6.4_08? support Support sorry my fault , the correct version numbers are  2.6.4_07 and 2

turn off auto-serialization

;  Yes, you are right, wrong config file and I waited for callback i embeded entity, my fault .   Tomasz Tomasz Wozniak

Unexpected exception during open the database

older versions of ObjectDB. My fault . Sorry. I will observe the version 2.8.5_05 regarding

Recursive calls with @PreUpdate annotation and Glassfish OutOfMemoryError

) line: 1 Again this could all be my fault as I' modifying the internal state of the object prior

no query result

the issue, sorry our fault the explorer was started during the reindexing and the inactive was not

Entity field renaming does not work

Hello, we use the ObjectDB version 2.8.5_05. We want to rename a field in an entity and it does not work: from: package com.btc.ep.analysis.verdict. tolerance .bl.internal.dmos; @Entity @Access (AccessType.FIELD) public class ToleranceDeviationImpl {     @Basic    

Use temporary files to enable very large transactions

. This enables us to repeatedly commit on the second database and in case of a fault we can still recover

com.objectdb.o._PersistenceException: Failed to locate set method for field property using reflection

property or listener fires and causes an error while ObjectDB is loading the data - clearly my fault not

again merger missing logs + objectdb exception

the other changes that we made hgzwicker Hans-Georg Zwicker our fault , sorry hgzwicker Hans-Georg

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

at fault ). regards, Darren webel Dr Darren Kelly The problem is clear and understood

ArrayIndexOutOfBoundsException with enhanced Entity

; yes, my fault sorry. I've been using 2.2.8 as well as I've tried it with 2.2.8_06

Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer

- then we updated our system to 2.7.1_01, but used, for sure our fault , doctor 2.6.7 directly

NoResultException: No matching results for a unique query

. support Support Haha okay funny enough - my fault after all. I am implementing my own find() function