Arjuna TX Manager Class Cast Exception Hi, On JBoss 4.2.2GA, I get the following exception: java.lang.ClassCastException: com.arjuna.ats.jbossatx.jta.TransactionManagerDelegate cannot be cast to javax.transaction.TransactionManager at org.hibernate.tra... 
converting from kodo to hibernate? This may be a lost cause, but does anyone know of perhaps a "cheat sheet" of things to consider if you want to convert from kodo (weblogic) to hibernate (jboss) as a JPA provider? Thanks much - 
acessing the database out of the Stateless Session Bean Hi.. everybody.. I'm new on EJB with JBOSS and JPA. I'm trying to access a database using EntityManagerFactory emf = Persistence.createEntityManagerFactory("test"); EntityManager em = emf.createEntit... 
WARN [Ejb3Configuration] hibernate.connection.autocommit = false in my.ini, I add init_connect='SET autocommit=0' to disable auto commit because UserTransaction is used. but I found the following warning: WARN [Ejb3Configuration] hibernate.connection... 
Fail on deploy project with persistence unit When i try to deploy my project i have this error: 16:48:58,194 INFO [config] Initializing Mojarra (1.2_12-b01-FCS) for context '/admin-console' 16:49:01,447 INFO [TomcatDeployment] deploy, ctxPath... 
HSQLDB 2.0 Hi, I am writing just let you know, that I have tried new HSQLDB 2.0 with JBoss 5.1.0GA and it runs (almost) without any problem. My application access the DB through JPA/Hibernate. (See http://xmedeko.blogspo... 
table prefixes Hello. i need some help with implementing the naming-strategy of hibernate. The problem is, that tables we want to read/write are prefixed with company-dependend names, for example Ubercompany$Customer Mega... 
HQL fails after obfuscation, DetachedCriteria OK Hi, I use JBoss 5.1 that uses Hibernate core 3.3.1 and EntityManager 3.4.0. I tried to use proguard to obfuscate entity class names. For example, @Entity(name="Foo") class Foo --> f @Entity... Share persistence.xml file between two EJB modules in EAR JBoss 6.0.0 M3 Hello, everybody! I have two EJB modules in an EAR module. I would like to know how to share a single persistence.xml file with these two EJB modules. If I replicate the persistence.xml ... 
JBoss 5.1 and Eclipselink Hello! I'm trying to get a simple web project to work with JBoss 5.1, Eclipselink and JPA. My error is pretty similar to the one in thread http://community.jboss.org/thread/146562, although it doesn't ... 
Possible Memory Leak Hello All, I'm encountring a strange problem. If I run my application for few dayz, Its memory consumption raised to 79% of the physical memory ( top command) Heap grows to its max... 
Multiple persistence-units causes deployment failure I have two persistence units defined in my persistence.xml file (located in META-INF of my project). When I deploy the project .ear file in JBoss 4.2.2 I get the following error: [ServiceController] Prob... 
how do i use @version in entity beans? hi to all, i am new to this topic , i am developing an application using jboss seam framework. i need to develop optimistic lock in my application to restrict end user from concurrency updations of entity obj... 
JP-QL syntax problem with "distinct" Hi, I am trying to use the following expression: select SUM(distinct c.energy) from... Distinct witihn a SUM clause works in native sql and should work in JP-QL as well as far as I know. But I... Persistence Units not Found My persistence.xml file is located here. earfile.ear/jarFile.jar/META_INF/persistence.xml I have defined persistence units in persistence.xml file see below: <persistence-unit name="LoanAccounting" transa... 
EntityManager Factory Not Found I have encountered following exception while starting JBoss 5.0.1GA 08:26:39,558 INFO [ServiceLocatorProvider] Looking up: java:/LoanAccountingEntityManagerFactory 08:26:39,558 ERROR [ServiceLocatorProvider] Lo... JPA 2: Are derived identifiers a bad thing? Hello, everybody! I'm migrating a project from JPA 1 to JPA 2 and I want to use derived identifiers, but I heard Gavin King say that he doesn't like them and even called them garbage, but I didn't see any expl... JPA association with FetchMode.JOIN Hi, I'm encountering a strange issue that might be due to my own stupidity but I can't figure out why I have a class Order that has a one-to-many association to another class Item. The relationship wo... REQUIRES_NEW Deadlocks on JBoss 5.1 EAP Hello, We have two SLSBs as follows: AgentService ExecutionService AgentService has the following method: @TransactionAttribute(TransactionAttributeType.REQUIRED) public boolean alloc... 
@EmbeddedId Query gives null Hello, I use SEAM - generated (and customized later on) entities. They contain @EmbeddedId which is suitable because my tables doesn't have unique id as a single column so composite is in use by means of... 
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