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;     EntityManagerFactory emf = Persistence.createEntityManagerFactory(   ... ;   public void test() {         EntityManagerFactory emf ... ;  EntityManagerFactory emf =            

to retrieve EntityManagerFactory for unitName null at com.sun.enterprise.container.common.impl ... ) Caused by: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName ... with a null name: Caused by: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory

(String name, String surname, ServletContext servletContext) { EntityManagerFactory emf = ( EntityManagerFactory ) servletContext.getAttribute("emf"); EntityManager em = emf.createEntityManager(); Person

the backup. support Support This is the code I used in my servlet : EntityManagerFactory emf = null;   ... - with the same result.   EntityManagerFactory emf = Persistence.createEntityManagerFactory

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

: Generate Database public static void main(String[] args) { EntityManagerFactory emf = Persistence ... EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:test.tmp"); EntityManager em = emf

(); Thread.currentThread().setContextClassLoader( EntityManagerFactory .class.getClassLoader()); then it works ... in order to support e.g. Declarative Services and possibly provide  EntityManagerFactory as

.Test public void test() throws IOException { EntityManagerFactory emf = Persistence ... document; } } @org.junit.Test public void test() throws IOException { EntityManagerFactory emf

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

The code I have a RecordDao stateless java bean :  @Stateless public class RecordDao { private EntityManagerFactory emf; private EntityManager em; public RecordDao() { } @PostConstruct public ... the EntityManagerFactory and the EntityManager explicitly, but let the application server

) {         EntityManagerFactory EMF = Persistence ... ;       EntityManagerFactory EMF = Persistence.createEntityManagerFactory

THUFIR THUFIR Every EntityManagerFactory instance manages a pool of connections and reuses ... with EntityManagerFactory  (which manages the connection pool) and EntityManager (which represents

. EntityManagerFactory ; import javax.persistence.Persistence; /** * * @author Benjamin Klink, SOLVIT GmbH */ public ... static void main(String[] args) {         EntityManagerFactory emf

javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence; import javax ... ;  odbFile.delete();         EntityManagerFactory emf

EntityManagerFactory " entityManagerFactory ", which is associated with the MySQL/Hibernate

;dbUrl += ";drop";          EntityManagerFactory emf = Persistence ... static void store( EntityManagerFactory emf) throws Exception {         

EntityManagerFactory createEntityManagerFactory(String paramString, Map paramMap) /* */ { /* 73 */ EntityManagerFactory localEntityManagerFactory = null; /* 74 */ PersistenceProviderResolver

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.GeneratedValue; import ... ;         EntityManagerFactory emf;       

that you have described. support Support Main class:       EntityManagerFactory emf ... (switch1);   router.getChildren().add(switch2);     EntityManagerFactory emf =  

void main(String[] args)   { String path = "test.odb"; EntityManagerFactory emf = Persistence ... ; String path = "test.odb";     EntityManagerFactory emf = Persistence

;  EntityManagerFactory emf =             ... ; EntityManagerFactory emf =             Persistence

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.FlushModeType ... ) {   EntityManagerFactory emf;   emf = Persistence.createEntityManagerFactory("objectdb

; The property can also be specified in properties map when instantiating the EntityManagerFactory ... ; {         EntityManagerFactory emf =      

Is there a line of code that can be used to print out my databases absolute path? I have set it as follows: EntityManagerFactory emf = Persistence.createEntityManagerFactory("$objectdb/database ... { public static void main(String[] args) { EntityManagerFactory emf = Persistence

.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence ... ; EntityManagerFactory emf = null;   if (delete) {    new File(dbFileName).delete

.persistence. EntityManagerFactory ; import javax.persistence.GeneratedValue; import javax.persistence ... ;             EntityManagerFactory emf =  

.persistence.Entity; import javax.persistence.EntityManager; import javax.persistence. EntityManagerFactory ... createEntityManager(String dbFileName, boolean delete) {   EntityManagerFactory emf = null;   if (delete

; } } public class RegressionTest { /** */ @Test public void regressionTest() { EntityManagerFactory emf ... ; EntityManagerFactory emf =             Persistence

; import javax.persistence. EntityManagerFactory ; import javax.persistence.LockModeType; import javax ... ;  EntityManagerFactory emf = Persistence.createEntityManagerFactory(      

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.GeneratedValue ... @GeneratedValue protected int id; @Version protected long version; @Transient protected EntityManagerFactory emf

) {         EntityManagerFactory emf =       ... (String[] args) {         EntityManagerFactory emf =    

that fails. import javax.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence; public class Test { private final EntityManagerFactory emf; private

(String[] args) {         EntityManagerFactory emf =    ... void main(String[] args) { EntityManagerFactory emf = Persistence.createEntityManagerFactory

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence ... ;    EntityManagerFactory emf = Persistence.createEntityManagerFactory(ruta);    

.persistence. EntityManagerFactory ; import javax.persistence.Persistence; public class Main {     ... ; EntityManagerFactory emf =            

/. 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

/ EntityManagerFactory is created. These instances serve as factory (using methods that are added ... of a PersistenceManagerFactory / EntityManagerFactory is a heavy one time operation (followed by many

are managed in Main public class Main extends Application { private static EntityManagerFactory emf ... not know how to do this... Here's why... Main: Initializes EntityManagerFactory and EntityManagers

;  EntityManagerFactory emf =         Persistence ... then i could able to run the explorer and server.   EntityManagerFactory emf

.persistence. EntityManagerFactory ; import javax.persistence.GeneratedValue; import javax.persistence.Id ... [] args) {         EntityManagerFactory emf = Persistence

; import javax.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax ... (String[] args) {   EntityManagerFactory emf = Persistence.createEntityManagerFactory

main(String[] args) {         EntityManagerFactory emf =   ... ;      EntityManagerFactory emf =        

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

.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence ... .getName()).log(Level.SEVERE, null, ex); } } private EntityManagerFactory emf; public ReproduceTest

to close the EntityManagerFactory associated with these ODBs by calling the EMF’s close() method.  ... Thanks, Clinton Moore CAPdev CAP Dev The exception indicates that the EntityManagerFactory

a semi detached state (in which they are still associated with the EntityManagerFactory and enable ... ;  EntityManagerFactory emf =            

million commits.  The client application has a single instance of the EntityManagerFactory and each ... minutes the EntityManagerFactory is closed with all its EntityManager instances

EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb://localhost:6136/test ... over port 1234 to local port 6136): EntityManagerFactory emf = Persistence.createEntityManagerFactory

one EntityManagerFactory with 105,689  EntityManager instances. This could be caused by creating ... ; You can see that these connections are held by one  EntityManagerFactory (EMF):   support Support thanks, this helps pretty much hgzwicker Hans-Georg Zwicker

application is stopped) do you close the ObjectDB database ( EntityManagerFactory 's close), e.g ... all instances of EntityManagerFactory instances on destroy of the servlet.  I disabled the hot deploy