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1. Mixing EJB 2.x BMP entity beans with Hibernate 3.x    stackoverflow.com

I have a large application that uses EJB 2.x entity beans (BMP). This is well-known to be a horrible persistence strategy (I can elaborate if necessary). I'd like to start migrating this ...

2. JPA - Unknown entity bean class    stackoverflow.com

Hopefully, I can explain this issue properly. I have 3 classes that deals with my entities.

@MappedSuperclass
public abstract class Swab implements ISwab {
...
    private Collection<SwabAccounts> accounts;
...
}

@Entity
@Table(name="switches")
@DiscriminatorColumn(name="type")
@DiscriminatorValue(value="DMS500")
public class DmsSwab ...

3. EJB3 Business Logic Patterns & Practices    stackoverflow.com

I'm in the process of developing a multi-tiered financial processing application in Java using EJB3 (Hibernate + Glassfish for the app and web services layer, Lift on Glassfish for the web ...

4. How to create project in WebLogic Workshop with support for JPA entity beans?    stackoverflow.com

How to create a project in WebLogic Workshop (version 10.3) with support for JPA entity beans? I am trying create a separate EJB and EJBClient projects in Workshop and EJB3 session beans ...

5. Migrating EJB2.x BMP entity beans    stackoverflow.com

We use EJB2.x entity beans with BMP (bean managed persistence). It appears BMP is not supported in EJB3. We had wanted to stay current and upgrade to EJB3. ...

6. How do I select a collection of entities and pass it to a bean as a parameter using EJBQL?    stackoverflow.com

I'm doing some weird reporting from a JPA data store. I need to select (using EJBQL) a list of objects. These objects contain collection of entities. I have a class that is ...

7. Hibernate/JPA - annotating bean methods vs fields    stackoverflow.com

I have a simple question about usage of Hibernate. I keep seeing people using JPA annotations in one of two ways by annotating the fields of a class and also ...

8. Change the way Entity Bean values are viewed by using own annotations    stackoverflow.com

We have tables with legacy columns where SpecialStrings are stored. These SpecialStrings can't be NULL and they instead equal to some SPECIAL_UNICODE_NULL. So to send an entity back to a client via ...

9. Auto-Generating EJB3 Entity Beans    stackoverflow.com

I would like to know if there are any tools to automatically generate EJB3 Entity Beans(for JPA) from a database schema. Thanks.





10. Exclude entity bean attributes from hibernate query?    stackoverflow.com

I'm new to this hibernate/jpa stuff so bear with me.. I've generated an entity bean and it works fine, but I would like to add some extra attributes to it and ...

11. translating outer join SQL query into EJB entity beans    stackoverflow.com

I'm new to EJB and trying to get my head around translating SQL concepts to EJB entity beans. Suppose I have two tables: PEOPLE (id, name), CONTACT(pid, phone_number). If ...

12. Possible to get CMP for EJB entities without using session beans?    stackoverflow.com

Newbie to EJB, exploring CMP and trying to figure out the angles... I'm using Weblogic 10.3. I've created entities, utilized them from a session bean via JPA and called the session ...

13. Hibernate cascade delete not working when removing element of recreated bean    stackoverflow.com

Supposing these are my parent and my child objects: Parent:

@Entity
@Table( name = "import_table" )
public class ImportTable { 
    @Cascade( { CascadeType.ALL, CascadeType.DELETE_ORPHAN } )
    @OneToMany(
  ...

14. Cross field validation with Hibernate Validator (JSR 303)    stackoverflow.com

Is there an implementation of (or third-party implementation for) cross field validation in Hibernate Validator 4.x? If not, what is the cleanest way to implement a cross field validator? As an example, ...

15. JPA validation strategy    stackoverflow.com

NetBeans let me choose between three values for the JPA validation strategy: Auto, Callback and None. What does "Auto" mean? Does "Callback" mean the use of @PrePersist, @PreUpdate, and @PreRemove? Is there ...

16. Is it okay to pass injected EntityManagers to EJB bean's helper classes and use it?    stackoverflow.com

We have some JavaEE5 stateless EJB bean that passes the injected EntityManager to its helpers. Is this safe? It has worked well until now, but I found out some Oracle ...





17. struts 2 bean is not created    stackoverflow.com

At first some precondition to my question, I'm using struts2 + tiles2 + toplink. NO spring at all. The simplest scenario - is to display list of entities on the page. To ...

18. Are there any modeling tools that can visually generate jpa or sql queries?    stackoverflow.com

Does anyone know of a tool like PowerArchitect or SquirrelSQL or maybe eclipse plugin that lets you also generate jpa/sql queries? Imagine you choosing your database, or your ...

20. Hibernate @OneToOne @NotNull    stackoverflow.com

Is it valid to declare @OneToOne and @NotNull on both sides of a relationship, such as:

class ChangeEntry
{
    @OneToOne(cascade=CascadeType.ALL)
    @NotNull
    ChangeEntryDetails changeEntryDetails;

  ...

21. How can I validate two or more fields in combination?    stackoverflow.com

I'm using JPA 2.0/Hibernate validation to validate my models. I now have a situation where the combination of two fields has to be validated:

public class MyModel {
    public ...

22. Configure Hibernate validation for bean    stackoverflow.com

I need to perform validation based on SQL query result. Query is defined as annotation - as @NamedQuery in my entity bean. According to Hibernate documentation(doc), there is possibility to validate ...

23. "Dynamic" java validation framework?    stackoverflow.com

AFAIK JSR-303 is the standard bean validation system. I don't know whether it could do validations like this (I guess no):

  • if an object has a deleted flag set, you cannot modify the ...

24. Hibernate Beans generator    stackoverflow.com

Does anybody know if there is any program able to create beans classes from a SQL file ? Thank you.

25. Java EE 6 + JPA - Exception: Message Driven Bean cant be managed bean    stackoverflow.com

I create an Enterprise Application CustomerApp that also generated two projects CustomerApp-ejb and CustomerApp-war. In the CustomerApp-ejb, I create a SessionBean call CustomerSessionBean.java as below.

package com.customerapp.ejb;

import javax.ejb.Stateless;
import javax.ejb.LocalBean;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

@Stateless
@LocalBean
public class ...

26. Hibernate: Mixing dynamic (Map-based) and static (Bean-based) mapping    stackoverflow.com

I'm working on a program to store and manage test results. Tests have properties like date, duration, and also results. However, some tests measure pressure, others temperature... I hope you get ...

27. Safe to store reference to Entity Bean after session ends?    stackoverflow.com

This is a pretty newbie question- please know I'm aware of that. I have a stateless session bean that needs to load up some data once and cache it locally in a ...

28. bean userList not found within scope, after some test of login functionality with Jmeter    stackoverflow.com

I have a web app (using Hibernate, and I cannot avoid that because is one of the point of the exam test ) for a university project in wich I need ...

29. Guice dependency injection for entity beans?    stackoverflow.com

For a rich domain driven design I want to use Guice dependency injection on JPA/Hibernate entity beans. I am looking for a similar solution as the Spring @configurable annotation for non-Spring ...

30. Given a java object can I confirm its a bean persist-able by hibernate    stackoverflow.com

there are times when I want to pass in an object to say an Auditing layer whose sole job is to persist the entities (no matter what type) , but since ...

31. JPA2 on Tomcat - possible?    stackoverflow.com

I'd like to use JPA along with Bean Validation, so JPA 2.0 sounds like what I need. I'm running my web application on Tomcat 6. Is Tomcat able to use ...

32. How do you turn off Hibernate bean validation with JPA 1.0?    stackoverflow.com

How do you turn off bean validation with Hibernate 3.x in a JPA 1.0 environment? I tried several things with persistence.xml:

<persistence-unit name="bbstats" transaction-type="RESOURCE_LOCAL">
  <properties>

    DB stuff

   ...

33. Unique constraint with JPA and Bean Validation    stackoverflow.com

I'd like to have a @Unique constraint with Bean Validation, but that is not provided by the standard. If I would use JPA's @UniqueConstraint I wouldn't have a unique validation and ...

34. hibernate validator    stackoverflow.com

I'd like to use hibernate (orm) together with hibernate validator. Within the documentation we can find the following:

Out of the box, Hibernate Annotations (as of Hibernate 3.5.x) will ...

35. Unidirectional Relationship in Entity-Bean (JPA)    stackoverflow.com

How to make Unidirectional Relationship in EJB 3.0 Entity-Beans (JPA)? For example Customer know about Order but Order has not any method for Customer. using (@OneToMany or @OneToOne or @ManyToMany) Regards

36. Stop Hibernate from creating not-null constraints    stackoverflow.com

Is there a way to stop Hibernate from creating not-null constraints for properties annotated with @javax.validation.constraints.NotNull when using hbm2ddl = create?

37. Using stateless EJB beans in an Entity Bean    stackoverflow.com

Obviously using stateless EJB beans in an entity bean smells, but please consider a scenario as follows and tell me if you know of a better solution:

  1. I have an InvoiceTemplate Entity ...

38. How can I apply a @NotNull constraint to all fields in a class using javax.validation?    stackoverflow.com

I'm using the hibernate implementation of the javax.validation and would like to know how whether anyone has been able to apply the @NotNull constraint annotation to all fields of a class, ...

39. Why session bean method throw EjbTransactionRolledbackException when RuntimeException was thrown    stackoverflow.com

I am trying to persist the entity with constraint validation, when invoke persist - there is constraint that thrown and the caller get EjbTransactionRolledbackException... so I try to call the validation explicit and ...

40. Deep copying of EJB Entity beans with relations    stackoverflow.com

What I have is an entity bean e.g. Entity (EJB 3) that keeps same type children in an ArrayList<Entity>, his parent <Entity> and a relation to another entity <Users>. Users can ...

41. How to use or annotate a dummy field in a JPA entity bean which is not supposed to be persisted in database    stackoverflow.com

I have this code for login validation using a Struts2 action class which calls an EJB for LDAP validation and then if (LDAP credentials) validated, querying the user database to get ...

42. Hibernate Validation of Collections of Primitives    stackoverflow.com

I want to be able to do something like:

@Email
public List<String> getEmailAddresses()
{
   return this.emailAddresses;
}
In other words, I want each item in the list to be validated as an email address. ...

43. Unknown entity bean class after hot deploy: netbeans 6.9 + glassfish 2.1 + eclipselink jpa 2.0    stackoverflow.com

When I deploy my app, it works perfectly until I make a change, save, and netbeans hot deploys the application. At this point I get an unknown entity bean class error ...

44. hibernate validator: validate 2 fields match    stackoverflow.com

I was wondering, am I overlooking something or does the hibernate validator offer no annotation to verify that 2 fields are equal (such as a password). I know I can write my ...

45. querying a table using JPA and populating a bean corresopind to a table    stackoverflow.com

I have a project already developed using java,jsp and JPA (open jpa).Now i want to add a new API to retrieve data from DB.Am not much familiar with JPA.Now i want ...

46. Entity bean not bound when use both EJB 2 and JPA    stackoverflow.com

I am using JPA with Hibernate implementation and EJB 2.1 in my project (a Spring + Hibernate project). After I deployed my project to JBoss 6.0 CR1 the server log said:

15:34:20,866 ...

47. Empty validatedBy in @Constraint    stackoverflow.com

I noticed that all built-in constraints have an empty value for the validatedBy parameter in @Constraint. i.e. @Constraint(validatedBy = {}) First, why are they allowed to have an empty value for validatedBy? ...

48. JSR 303 - Composition Constraint    stackoverflow.com

How do I execute a ConstraintValidator within a ConstraintValidator? I have a custom @NotEmpty and have a custom ConstraintValidator's for each type, and it works fine. Now I want to create a ...

49. JSR-303: Yet Another Cross-field Validation Problem    stackoverflow.com

I have a @Money constraint that indicates the annotated Double property is, well, money. I wrote a ConstraintValidator that checks if a @Money property has a valid value, which depends on ...

50. Hibernate Persistence problems with Bean Mapping (Dozer)    stackoverflow.com

I am using Hibernate 3, and having a particular issue when persisting a new Entity which has an association with an existing detached entity. Easiest way to explain this ...

51. java hibernate CLASS is not a bean    stackoverflow.com


I have this simple bean name Brand.
I am able to create table out of him but i cant insert data (Mysql).
The error:

Exception in thread "main" org.hibernate.MappingException: Unknown entity: com.hibernate.beans.Brand
This is the ...

52. javax.validation: Receive an error 'No validator could be found for type:'    stackoverflow.com

Framework: JQuery, Spring, Hibernate, Hibernate Validator(JSR-303 Bean Validation)
Platform: Windows I am trying to define a custom constraint @IdMustExist using JSR 303-Bean Validation. The purpose of the constraint is to check whether the ...

53. Hibernate - fetch by bean    stackoverflow.com


Is this theoretical query possible in hibernate?

Person personQuery = new Person();//(@Entity)
personQuery.setId(5);
List<Person> persons = personQuery.get("=").fetch();
meaning
SELECT * from person WHERE id=5
When things are simple I want to work with beans(Entities) and not ...

54. Bean Validation: Receive EntityNotFoundException though have a constraint to validate entity    stackoverflow.com

Technologies: Spring, Hibernate, JSR-303, JQuery
Platform: Windows
I am trying to implement @IdMustExist JSR-303 constraint. The purpose of the constraint is to check whether the entered id value exists in associated table. Please ...

55. Hibernate: org.hibernate.AssertionFailure: null id in com.xxx.Bean entry    stackoverflow.com

I was faced to the following error:

com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract void com.xxx.Service.save(com.xxx.Bean)' threw an unexpected exception: org.hibernate.AssertionFailure: null id in com.xxx.Bean entry (don't flush the Session after an exception occurs)
 ...

56. Debugging Hibernate "Session is closed!" - abuse of SSBs?    stackoverflow.com

(First of all, this is not my code. Secondly, to protect the guilty, I have changed the class names to hide anything specific to my employer, so if things don't correspond ...

57. Better logging of Hibernate JPA bean validation    stackoverflow.com

I must be missing something but its very hard to figure out what actually failed JPA validation for hibernate. When validation fail for JPA annotations in hibernate you get an exception ...

58. JPA 2 + 'conditional' validation group?    stackoverflow.com

I have a dummy JPA Entity to demonstrate my need:

@Entity
public class User {
  private boolean referenced;
  private String referencedBy;
  private Date referenceTime;
  ...
}
As i understand it, i ...

59. Bean Validation + Resource Bundle ideas?    stackoverflow.com

Here is what i want to be able to do with bean validation in my JPA entities :

  1. Instead of @NotNull, i would like to do @NotNull(message="keyInMyResourceBundleFile")
  2. I would like also to parameterize ...

60. JPA Entitites's Bean Validation messages as Resource Bundle?    stackoverflow.com

Does Bean Validation with JPA entity has the integrated feature of making use of the resourcebundle just like the BV in JSF ? And if it can, can i parameterize the ...

61. Hibernate Annotations - How do I exclude a bean´s field from mapping?    stackoverflow.com

I´ve got a bean containing some fields, and two of them are not intended to be mapped by hibernate (errorStatus and operationResultMessage). How do I tell Hibernate (via annotations) that I ...

62. Why is the Bean validator throwing ConstraintViolationException on the not nullable but auto-generated id field?    stackoverflow.com

ENTITY CLASS :

public class MyUser implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    ...

63. Java - Merge Hibernate beans/entities - before saveOrUpdate    stackoverflow.com


What is the best way to merge 2 hibernate entities before saveOrUpdate.
I get one entity from the user(submitted form) and i want to save it using saveOrUpdate.
Hibernate will set all of ...

64. Setting a bean value (column) automatically before persisting in Hibernate?    stackoverflow.com

Is there a nice and elegant way to set a bean value (column) before Hibernate persists an entity? Basically I have a field called "modification_date". It's on a bunch of entities. ...

65. The 'correct' way to instantiate JPA manager bean?    stackoverflow.com

I'm using IBM RAD to develop some JPA entities, and from those, corresponding JPA Manager Beans. Manager beans (which are generated by RAD) have the following member:

@PersistenceUnit
private EntityManagerFactory emf;
I'm not sure ...

66. Entity Beans in the jmx-console?    stackoverflow.com

Is it possible to view entity beans with the jmx-console? If so, how?

67. How to map a stateful ejb 3.1 session bean using JPA    stackoverflow.com

I have a doubt on how to represent my database using JPA annotations with hibernate. It's a very simple webapp representing an online library. I have a stateful session bean that allows ...

68. Is possible to insert a denormalized bean with Hibernate?    stackoverflow.com

I have one bean like:

public class Car{
      String color;
      List<Wheel> wheels;
      ....
}
And
public class Wheel{
  ...

69. How do you get the Property Paths from a Class level Annotation violation    stackoverflow.com

I'm using Hibernate Validator. I have a Class level annotation. It compares three properties for equality. When the validation is performed I need to get the PropertyPaths from ...

70. Client (Tomcat) calls Stateless Session Bean (JBoss), how to handle Client Identifier    stackoverflow.com

we have the following setup:

  • Tomcat (Web App) calls a service (Stateless Session Bean) in JBoss 5.1.0 EAP (EJB 3.0)
  • JBoss has two different Persistence Contexts defined using two different databases
  • The JBoss Service ...

71. JPA 2 Entity Bean primary Key Required?    stackoverflow.com

I'm trying to create an entity bean but Netbeans IDE complains Entity Bean cannot be generated because there is no primary key so I want to know if a primary key ...

72. How to set bean created and updated variables when mapping between JPA and DTO using Dozer?    stackoverflow.com

I am currently using dozer to map Jpa Entities to DTOs. Most of these beans share common properties that are used for auditing such as CreatedBy, UpdatedBy, CreatedDate, UpdatedDate. These beans ...

73. Thread Safe Stateless Session Bean    stackoverflow.com

I wonder what's the best practice to make a db update thread safe. I am calling a stateless session bean's

public void addReservation(Reservation reservation)
Before adding this reservation - I ...

74. Get hold of a JDBC Connection object from a Stateless Bean    stackoverflow.com

In a Stateless Session Bean an EntityManager is injected but I would like to get hold of a Connection object in order to invoke a DB Procedure. Is there any solution to ...

75. How to auto generate the timestamp in a entity bean in hibernate?    stackoverflow.com

How does one auto generate the timestamp in a entity bean in hibernate? Does the @Generator have anything to directly put in it like:

@GeneratedValue(vale=new Date().getTime())

76. Java JSR-303 Bean Validation - implementation comparison    stackoverflow.com

I'm looking into adding JSR-303 validation to an application and I'm down to two options:

I'm looking into something lightweight but also complete from the specification ...

77. Can I implement Hibernate (JSR 303) method validation with apache wink (JAX/RS)    stackoverflow.com

I am currently investigating using the hibernate validators support for Method validation using JSR 303 annotations. An initial attempt tried to wrap the resources with a proxy (generated using cglib) that ...

78. Hibernate Validator - @Length - How to specify separate message for min and max?    stackoverflow.com

I am using Hibernate validator for form validation in my web-app. I am using the @Length annotation for my String attribute as follows:

@Length(min = 5, message = "The field must ...

79. How to add fields to EJB CMP entity bean automatically?    stackoverflow.com

We have a data model that contains large amount of columns in few key tables. Now I'd need to add corresponding mappings for them to EJB 3.x CMP entity beans. Because ...

80. Can Hibernate Validator 3.x coexist with 4.x?    stackoverflow.com

Can Hibernate Validator version 3.x (proprietary) coexist with version 4.x (JSR-303 compliant) in the same application server lib? I'm using JBoss 4.2.3.

81. JSR-303 and JPA overlapping    stackoverflow.com

Aloha hey! I already use JPA annotations, now I'd like to use JSR-303 annotations to validate attributes as well. My questions is, how well do they interact with each other?
If I use @Basic(optional=false) ...

82. Multiple beans validation inside containing bean with different group interfaces    stackoverflow.com

I have problem with validation a very specific beans. Let me give you some code first:

@Entity
@Table(name = "customers", schema = "public", uniqueConstraints = @UniqueConstraint(columnNames = {"cus_email" }))
public class Customers extends ModelObject implements ...

83. CMP entity bean in OpenEJB (OpenJPA?)    stackoverflow.com

I try to run an old EJB2 system on OpenEJB and it uses Entity Bean to access database. Current status is I can run it and can send SQL to Oracle ...

84. Can @Size hibernate annotation be inherited?    stackoverflow.com

I am trying to use hibernate validation to check size of a list. in general I want the list to be empty, unless it is an object of type B. it ...

85. How to log bean validation (jsr-303) messages when using log4j and hibernate validator?    stackoverflow.com

I am not sure how to log bean validation messages when using log4j and hibernate validator. I tried using a "org.hibernate.validator" category in log4j resulting in a runtime exception... I also tried using ...

86. Hibernate validator error messages file name    stackoverflow.com

Can the ValidationMessages.properties file name changed to a different file name while using hibernate validator in JSF 2.0?

87. How can I generate Jaxb-XML-Beans from hibernate mapping file?    stackoverflow.com

I want to generate XML Jaxb-classes (like here enter link description here) from hibernate mapping file (hbm.xml). So is there a chance to do that with the hibernate-Tool hbm2java ...

88. JAXb, Hibernate and beans    stackoverflow.com

Currently I am working on a project with Spring web-service, hibernate and JAXb. 1) I have generated hibernate beans using IDE 'hibernate code generation, 2) also, I have generated the jaxb beans ...

89. Hibernate 3.6.6.Final (JBoss 6.1) merge() transient object tree    stackoverflow.com

I try to save an object tree with Hibernate's merge() method. Entity Auftrag (means "order" in English) contains a collection of Auftragsposition objects, mapped with cascade="all-delete-orphan. The persisting occurs in a ...

90. JSR 303 - Hibernate Validation 4.2.0 - UnexpectedTypeException - @Valid and @Size in combination    stackoverflow.com

I have strange behaviour using Hibernate Validator (JSR 303) and annotating a property of type java.util.List Following Code Base:

public class A {
  @Valid @NotNull @Size(min=1, max=15)
  private List<B<?>> validList = ...

91. Inject session bean into Entity    stackoverflow.com

i'm writing a JEE6 application using EJB3.1, CDI and the persistent domain object pattern. In some cases i need so have an instance of an session bean inside an entity (jpa2.0). Injecting it ...

92. PersistenceContext of Named bean which is injected in Stateless EJB is null    stackoverflow.com

This does not work, but I don't know why? DAO

public class QuestionRepository {

    @PersistenceContext(unitName="myPU")
    private EntityManager entityManager;    

    public List<Question> ...

93. JPA entity bean "cannot be added because it does not have a primary key."    forums.netbeans.org

Hello, some one know why netbeans 6.7.1 dosen't allow me to create Entity Class From Database with the wizard? Hi say "cannot be added because it does not have a primary ...

94. Hibernate One-To-Many Mapping Works in HQL Browser but Not in Bean Getter    forums.netbeans.org

I've already posted this on StackOverflow, so feel free to respond there as well: http://stackoverflow.com/questions/5364492/why-does-my-one-to-many-hibernate-attribute-get-method-return-an-empty-collecti I've setup a "one-to-many"/"many-to-one" bi-directional Hibernate mapping relationship for a User class and a Pet class (for a pet store-themed academic web project). Each User owns collection of pets. It seems the relationship is working fine, because when I execute a query to select the first ...

95. Just a thanks to NB staff for the JPA Entity bean creator (suggestion)    forums.netbeans.org

I've used Eclipse's Dali thing to create JPA Entity beans from our DB tables, and it drastically pales in comparison to NetBeans auto-generation tool. Awesome job! I'm not sure what forum I should post suggestions in, but my only recommendations would be: 1) Let me modify the template so I can tweak the toString, equals, and hashCode methods. I use some ...

96. Hibernate Validator on non-entity seam backing beans    seamframework.org

I do and am having the same problem. My globalMethods.invalid is NOT being called which would set the global messages to be displayed like the booking example. It gets to the apply request values phase and then for some reason skips all the other until render response. It does not hit the validation phase which I find weird, but still, shouldn't ...

97. [jira] Created: (WW-2563) Improve Validation - Add Support for Bean Validation API (JSR 303) / Hibernate Validator    struts.1045723.n5.nabble.com

Improve Validation - Add Support for Bean Validation API (JSR 303) / Hibernate Validator ---------------------------------------------------------------------------------------- Key: WW-2563 URL: https://issues.apache.org/struts/browse/WW-2563 ...

98. Struts2+Spring2 Beans+Hibernate    struts.1045723.n5.nabble.com

Alright ... I know this will be a n00b question, but let me state first: 1) I am a senior J2EE Engineer using JDK 1.6 and the latest J2EE api's 2) On Resin 3.1.2 on Linux 3) Yes, I did go through Google and tried to find answers on the Net before I came here. 4) Yes, I have programmed in ...

99. Hibernate Query question, entity beans..    coderanch.com

I'm learing Hibernate and its been great fun until now. Please bare with me if I post naive questions: 'Detached Objects'...Why cant we have this feature with EJB Local objects!!. So even within the same VM I end up creating value objects that look similar to the local objects. Anyways coming to my problem, Say i have to represent a tree: ...

100. is hibernate a alternative for Entity bean??    coderanch.com

Originally posted by Gavin King: Instance pooling is a misfeature, actually. Your JVM can pool memory much more effectively than your application server can, and you shouldn't acquire references to heavyweight resources in entity objects. (The original EJB specs were written when Java garbage collection was much more expensive than it is today.)