Fast Object Database for Java - with JPA/JDO support

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Wrong data stored in date only fileds

/10/2015 Madrid time (when clock goes back 1 hour at 3am), Object DB puts wrong data in the fields ... . Here are the values used to set the fields before adding the objects (in the attached DB) to the DB: Record ... you will notice that the startDate field is set to "Sat Oct 24 00:00:00 CEST 2015", i.e. one day

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

the data - clearly my fault not ObjectDB's. However the error message Failed to locate set method ... platformConnector) { this.platformConnector.set(platformConnector); } ... } I get an exception thrown ... .objectdb.o._PersistenceException: Failed to locate set method for field property domain

Enum fields are set to null and embeddable enum class does not show in explorer

the related objects is set to null. This is highly critical because it will cause data loss ... and it will lead to data loss for users updating to 2.8.2. It must be possible to solve this, because it worked before? itsme Martin Petzold > this is a highly critical issue and it will lead to data loss for users

Retrieving JPA Entity Objects

with data that is retrieved from the database (or from the L2 cache - if enabled). The new entity object ... as is. Otherwise, the object data is retrieved from the database and a new managed entity object with that retrieved data is constructed and returned. If the object is not found in the database null

-XMX settings recommendation

The default is 256M what is the recommended settings based on? It is the size of the DB? number of connections? If the DB has over 200GB of data and max connection of 400 then will I need to make this settings higher? Thanks. Trianglehead Json Error There is no magic formula, but usually larger

data protection method in ObjectDB Embedded Mode

I am new in ObjectDB and i need to understand How is data protection in ObjectDB Embedded Mode without using username or password thanks choymns choymns The way to keep an ObjectDB database encrypted ... a CPU that supports the AES instruction set. support Support

NullPointerException while setting a new property value

access to entities from 2 threads: 1. Creating a list of entities, default values are set from ... .close(); } } 3. The code continues with a revalidation and re-setting some properties to entities from the collection. NPE is thrown at some point while database thread is writing new data

Set timeout for BatchQueryItr

( unknown source ) xirt Sylvain You can set a query execution timeout as a query hint. The many BatchQueryItr files may indicate a complex query on a lot of data with no sufficient indexes

How to delete a specific column data form a entity.

instead and set the field (column) to null. support Support Ok Tank you ObjDBUser3 ObjectDBUser


string resultSetMapping - the name of the result set mapping Returns: the new query instance Since: JPA ... ) Delete the persistent instance from the data store. Delete the persistent instance from the data store. This method must be called in an active transaction. The data store object will be removed

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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