ObjectDB ObjectDB

Internal Website Search

141-150 of 200 resultsRefresh
12

Unexpected internal exception during set field of an Embeddable to null

a 4th field ([3]) in the array of persistent fields of the SignalValueImpl embedded class ... the embedded class file after enhancement for further review. support Support Hello, many thanks ... another call. But it is again the embedded class SignalValueImpl. com.objectdb.o.JPE.h(JPE.java:168) com.objectdb.o.ERR.f(ERR
11

DB reading fails in debug mode in Eclipse

">    <field name="attributes" embedded="true">     <map embedded-key="true" embedded-value="true" />    </field>   </class>     <class name="BasicSettings">    <field name="userRoles" embedded="true"/>    <field name="innerSettings" embedded="true">     <map embedded-key="true" embedded
11

Open several objectdb databases the same time

instances? Harman Alexander Golyshkin In embedded mode a database can only be accessed by ... simultaneously. You may also try the undocumented embedded-server mode, in which the first process opens the database in embedded mode but also starts an internal server, and additional processes can connect
11

How to change properties in urls2.xml?

Hello, I am using objectdb in an embedded case with network private access to each database. I ... not help you. Please clarify your need. Do you want to use the embedded server mode, i.e. to run a database in embedded mode and still connect to it in client-server mode? support Support My need
11

Issue with Casting / Joins

, EmbeddedBase> embeddeds = new ..; getEmbeddeds().. } // Populate MyEntity entity = new ... <MyEntity> from = criteria.from(MyEntity.class); MapJoin<?,?,?> join = from.joinMap("embeddeds ... ();         entity.embeddeds.put("test", new EmbeddedA());         em.persist(entity);         em
2

javax.persistence.metamodel.IdentifiableType

. Returns true for a simple id or embedded id; returns false for an idclass. Returns: boolean
2

javax.persistence.MapsId

; ... @MapsId("empid") // maps the empid attribute of embedded id @ManyToOne
2

Issues with JDO Casting & Full Qualified Names

.embeddeds.put("test", new EmbeddedA());   entity.embeddeds.put("test2", new EmbeddedB());   em ... COUNT(e) FROM MyEntity e WHERE ((com.test.F328.EmbeddedB)e.embeddeds.get('test2')).superB = '123 ... (); } @Entity public static final class MyEntity {   Map<String, EmbeddedBase> embeddeds = new
2

stress test -> com.objectdb.o.InternalException: null

the same test, if possible, in embedded mode. This could narrow the problem. But eventually a test ... , Tomee stays around 10-20% CPU utilization during the load. I'll do the embedded experiment ... .java:616) ... 63 more zmirc Mircea Chirac Good news! I've tried in embedded mode
2

Problem using "and" for joined entities and indexed fields

{         @Embedded         List<Child> children;     }     @Embeddable     static class Child ... Göbel This indeed indicates a bug in using indexes on fields of embedded objects in a collection ... on embedded objects. For instance, even if the "age" field is not indexed, the index on the "name

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