About ObjectDB

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Forum
7

ClassCastException: cannot be cast to com.objectdb.spi.TrackableUserType

Groovy. My first attempt to persist TherapeauticDrugScreenRqst to Objectdb 2.2.8 is successfully ... : com.epimss.lab.data.toxicology.TherapeauticDrugScreenRqst cannot be cast to com.objectdb.spi.TrackableUserType at com.objectdb.o.MMM.af(MMM.java:1025) at com.objectdb.o.UTY.aF(UTY.java:1185
Forum
7

Heap Limit reached although the option 'objectdb.temp.page-file' is activated

? Why the option objectdb.temp.page-file does not perform?   Options: System.setProperty("objectdb.temp.page-file", "true"); Version objectdb-2.6.6_05 Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded at com.objectdb.o.PRU.X(PRU.java:117) ~[na:na
Forum
7

Is an objectdb.conf required when providing test case projects here?

under http://www.objectdb.com/java/jpa/setting) but it seems that ObjectDB projects run without an objectdb ... the objectdb.conf does not impact on a problem being reported and diagnosed, is it acceptable to completely omit the objectdb.conf when providing (links to) mini test projects here on this forum
Issue
7

ObjectDB BIRT Driver Update

The ObjectDB BIRT/ODA driver is an extension of the open source Business Intelligence and Reporting Tools (BIRT) that adds support of ObjectDB as a data source and JPQL as a data set query language. In the current implementation ObjectDB is embedded in the driver. Any 2.x version of the driver
Forum
7

ObjectDB within a resource adapter module and Java EE Connector Architecture

Has anybody managed to use ObjectDB in a resource adapter module in accordance with the Java EE ... has never been implemented in ObjectDB. If a separate resource adapter module can't be used ... persistence.xml, and thus the same ObjectDB database file name. Under http://www.objectdb.com/java
Forum
7

ObjectDB doctor command

get the following error: java -cp ../../lib/objectdb.jar com.objectdb.Doctor myDB.odb myDB.odb com.objectdb.o.UserException: Attempt to open a non existing file 'myDB.odb' at com.objectdb.o.MSG.d(MSG.java:61) at com.objectdb.o.LFL.I(LFL.java:781) at com.objectdb.o.SFL.(SFL.java:232) at com
Manual
7

Chapter 1 - Quick Tour

This chapter demonstrates basic ObjectDB and JPA concepts by introducing a simple example program ... ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete) on ObjectDB databases. The example program that this chapter presents manages a simple database
Manual
7

Logical Operators in JPQL and Criteria API

expressions out of simple JPQL boolean expressions. Logical Operators ObjectDB supports 2 sets ... , the JDO Query Language). ObjectDB supports both forms. Binary AND (&&) Operator The following query ... and the other operand is either TRUE or NULL, the result is NULL (unknown). ObjectDB supports
Manual
7

Shared (L2) Entity Cache

on the client side - ObjectDB manages also several caches on the server side: Cache of database file pages ... The shared (L2) cache is configured in three scopes: Globally in the ObjectDB configuration. Per persistence unit in the persistence.xml file. Per entity class - using annotations. ObjectDB
Tutorial
7

Step 1: Create a Java Project

) and click Next. In the Libraries tab, click Add External JARs... and select the objectdb.jar file from the bin subdirectory of the ObjectDB installation directory: Click Finish to create the project ... project with ObjectDB/JPA support. ObjectDB/JPA can also be added to existing projects, by adding