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EntityManager JPA or JDO impl and different behavior

when they are changed (this is what the unit test is setup testing at the mo). To reproduce the error, try
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Error 363 - Failed to read value of inverse relationship

.setUp(EventEntityTest.java:23) at junit.framework.TestCase.runBare(TestCase.java:132) at junit
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Exceeding max connections and crashing

Hi, we have severe problems with ObjectDB crashing frequently. We can’t find the exact cause but we suspect several things. We use 2.5.3_03 version and we use it in production. The same setup in test environment hasn’t have these kind of problems First crash occurred when network went
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Exception on creation when running multithreaded

. The objects that gets created are of type CDI and in addition, as a setup for the test I'm creating
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Externalising persistence.xml properties in Glassfish?

one is because the app server provides the ability to have a connection pool setup to the database - aka a managed
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How to retrieve the ObjectDB version number?

Hi! We need  the ObjectDB version for debug purpose/logging. Our project supports also EclipseLink - http://stackoverflow.com/questions/3493495/getting-database-connection-in-pure-jpa-setup With the Connection object the Database name & version can be retrieved. For ObjectDB, which is the best (JPA
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Intermittent Exception "Attempt to update types in read only mode"

I have a master/slave(s) setup and I am finding on the slaves that the slave client will get this message when trying to establish an EntityManager to the slave: Exception in thread "main" [ObjectDB 2.4.1_06] javax.persistence.PersistenceException Attempt to update types in read only mode (error
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Is it possible to remove parent/child entities without refresh?

public static void setUp() throws Exception {   entityManager = createEntityManager("d:\\Temp
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Jboss 6 persistence.xml startup error

Hi,  I'm trying to migrate a small EJB 3.1 project from Postgres to ObjectDb to test out feasibility, but I keep getting stuck on setting up the persistence.xml on JBoss 6 AS. Here is my setup:
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JBOSS AS7 7.1.1 - Entity not persisted and createNamedQuery fire exception

your JBoss environment? I have setup objectdb as module named "com.objectdb" in jboss: /jboss-as7.1.1