Fast Object Database for Java - with JPA/JDO support

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Best practise loading big data

this MyStepBlockCollection sbc = entityManager.find(id); for (MyStepBlock sb : sbc.stepBlocks ... above: MyStepBlockCollection sbc = entityManager.find(id); for (MyStepBlock sb : sbc.stepBlocks) { for (MyStep s : sb ... cannot find them. I would like to start the discussion for an alternative iteration

log entry and massive performance issues

to our extranet and inform about), the ObjectNode.nodepath is like '/(EL)ANYNAME/(EX)F', you can find ... Zwicker you can find the database on, login with user/password your db name ... .nodepath is like '/(EL)ANYNAME/(EX)F', you can find a number of these objects linked to objects

Is it possible to remove parent/child entities without refresh?

.find(ParentEntity.class, Long.valueOf(1));   entityManager.getTransaction().begin ... ()); } @Test public void testRemoveVariant2() {   ParentEntity parentEntity = entityManager.find ... () {   ParentEntity parentEntity = entityManager.find(ParentEntity.class, Long.valueOf(1));   entityManager

Level 2 cache not hit in @ManyToOne

2 JPA cache is activated and it works ok for find by id (tested by changing data in explorer and reading in my app). Problem 1: find by id on Item it's good, it hits the cache, but not for its field ... each time, even though user 5 has been previously loaded by find by id and its class is @Cacheable

ObjectDB 2.0.0

and method finding problems. Fixed a bug in the results of IS [NOT] NULL queries. Fixed a bug in ... a bug in the new log based (recording) recovery from failure mechanism. Fixed a bug in finding an entity after a failed find followed by persist. Fixed a memory leakage in eager load of large object

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

;    }   }   // Find the number of Point objects in the database:   Query q1 = em.createQuery("SELECT COUNT(p) FROM Point p");   System.out.println("Total Points: " + q1.getSingleResult());   // Find ... ) {    System.out.println(p);    if(count++>5) {     break;    }   }   // Find the number of Point objects

Broken @ManyToOne reference

instructions and provide a test case that demonstrates the problem. support Support You'll find ... , but the retrieval should be adjusted:     // Child child = em.find(Child.class, Main.CHILD_ID ... ; Child child = em.find(Child.class, template); It does not work with ObjectDB though :-( 2

again merger missing logs + objectdb exception

. Please consider enabling recording. If we cannot find the cause now by analyzing the database ... . Can you locate a sample query that generates such an InternalException? support Support We will try to find ... corruption. For this we probably have meanwhile a fix. As regards the query, we'll try to find

Internal Exception and Index Problems

Dear Support Team, we have an urgent issue in a productive database. The objectdb doctor finds ... the issue. skolb Sebastian Kolb It would be great if you could find out how this happened ... object by the corrupted field userName=...). Even the doctor finds no error which makes it pretty hard

Activation Issue

.EMImpl.find( at com.objectdb.jpa.EMImpl.find( at sun.reflect ... ( at $Proxy37.find(Unknown Source) at com.googlecode.genericdao.dao.jpa ... be possible for Virtual box to change the host MAC address can it? Separately: did you find

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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