ObjectDB Database Search

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	UTF Error on EJB PersonFacade, method: public java.util.List beans.AbstractFacade.findBySQL(java.lang.String) WARNING: javax. ejb .EJBException: Error reading UTF string at com.sun. ejb .containers.EJBContainerTransactionManager.processSystemException(EJBContainerTransactionManager.java:723) at com.sun. ejb .containers
	Duplicate Entity class names causes Exception in Query .invoke(Method.java:597) at org.glassfish. ejb .security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1052) at org.glassfish. ejb .security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1124) at com.sun. ejb .containers.BaseContainer.invokeBeanMethod(BaseContainer.java:5367
	Intermittent: "Attempt to reuse an existing primary key value" when persisting a new instance .JavaEETransactionManagerSimplified.commit(JavaEETransactionManagerSimplified.java:857) at com.sun. ejb .containers.BaseContainer.completeNewTx(BaseContainer.java:5115) at com.sun. ejb .containers.BaseContainer.postInvokeTx(BaseContainer.java:4880) at com.sun. ejb .containers.BaseContainer.postInvoke(BaseContainer.java:2039) at com.sun
	Pessimistic Lock Timeouts setting setting a shared lock in the EJB could get around this, but this would be global and impact all threads ... with an injected stateful EJB which holds an instance of Entity Manager for each stock. This bean holds ... transaction. I used to retrieve my stock object by a JPA EJB . However, after retrieval
	Double persist of Entity field with Cascade.ALL . The enterprise application ( Book_dberror ) which contains the EJB module ( Book_dberror- ejb ) 3. A Java ... to Book_dberror_Libs and Objectdb.jar to Book_dberror_ ejb . In persistence.xml, I had to use ObjectDB ... - ejb with Book_db- ejb Book_dberror_Libs with Book_db_Libs Thanks. Burabari Burabari Kpai Your test
	Possible cause for "Enhancement of type ... is old and cannot be used" .DomainElement is not enhanced. ... As a side-effect it then eventually fails with: Caused by: javax. ejb .CreateException: Initialization failed for Singleton ReflectionHelper at com.sun. ejb .containers.AbstractSingletonContainer.createSingletonEJB(AbstractSingletonContainer.java:476) at com.sun. ejb .containers
	Step 2: Entity Class and Persistence Unit with the specified database url. The next step is adding an EJB Session Bean that will manage Guest entities.
	GlassFish 3.1.2.2/JBoss 7.1.1 problem (http://www.java.net/forum/topic/glassfish/glassfish/cant-return-entity- ejbs -remote- ejb ... the problem of accessing ObjectDB from a stateless EJB in JBoss AS 7.1.1. support Support
	How to Use a SF with extended Persistence Context? ] (http-localhost-127.0.0.1-8080-1) JBAS014134: EJB Invocation failed on component GuestUpdater for method public void guest.GuestUpdater.updateGuest(java.lang.String): javax. ejb .EJBException: java ... -localhost-127.0.0.1-8080-1) Servlet.service() for servlet GuestServlet threw exception: javax. ejb
	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: com.objectdb.jpa.Provider and here is the error: 2011-04-04 18:35:23,098 ERROR [org.jboss.kernel
	Attempt to begin a new transaction when a transaction is active in order to persist records. For example : @ EJB RecordDao recordDao; recordDao.storeRecord
	What are the steps of creating small web app? , JSF, JSP, EJB , JMS, JPA, JDBC,Security, Ajax using Primefaces. # Backend technologies: MYSQL
	Does ObjectDB create one instance of each entity class on (web app) load ? a (mostly) LAZY-only fetch policy across the system. Most of my EJB methods for querying are configurable
	Problem with distinct select, order by and equivalent alias/attribute path get the same error still. It is a Java EE 7 project running in wildfly 9 using JPA and JTA ( EJB 3.1