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once in the application:     EntityManagerFactory entityManagerFactory =         Persistence

failure to enforce NOT NULL for java.lang.String

public void regressionTest() { EntityManagerFactory emf = Persistence ... ){         EntityManagerFactory emf =             Persistence.createEntityManagerFactory

Java 6/7 Performance Comparison

(); EntityManagerFactory emf =             Persistence.createEntityManagerFactory("$objectdb/db/points.odb ... . Thanks - Andrew cojan_duffy Andrew David Duffy Opening an EntityManagerFactory and an EntityManager

IN expression in a Criteria Query

public class T1108 {         public static void main(String[] args) {         EntityManagerFactory ... (String[] args) {         EntityManagerFactory emf =             Persistence

"Attempt to lock a non entity object" error

; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax ... ) {         EntityManagerFactory emf = Persistence.createEntityManagerFactory(           "objectdb:D:\\eclipse

odb files and config file

/. But there were no obd files in it. I'm getting my EntityManager by doing this: EntityManagerFactory emf ... src/main/java/webapp/WEB-INF/db/? I tried this: EntityManagerFactory emf = Persistence

Help with 'not like/lower' query

javax.persistence.EntityManagerFactory; import javax.persistence.Persistence; import javax.persistence ... {     public static void main(String[] args)  {         EntityManagerFactory emf

Replication error - parsing objectdb config

result. The test code is as follows: EntityManagerFactory masterEmf = Persistence ... "); EntityManagerFactory replicatedEmf = Persistence.createEntityManagerFactory("objectdb://localhost:6138

Server crash - Mismatch client-server protocol prefix

.fastplan.db.EntityManagerFactory.doFilter(EntityManagerFactory.java:202) at org.apache.catalina

Unexpected error when loading all entity instance

) do you close the ObjectDB database (EntityManagerFactory's close), e.g. using a contextDestroyed ... healthy or corrupted? support Support Hello, yes I close all instances of EntityManagerFactory

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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