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Object Relational Mapping

JPA, JDO, Hibernate, and other such new fangled database technologies

This forum is for mapping frameworks. For questions about SQL itself, we recommend the JDBC forum or the interactive JDBC FAQ! We also have a Hibernate FAQ
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Best this year

Object Relational Mapping

No persistence provider for EntityManager for Hibernate in Maven

2 replies 2

Problem in building hibernate SessionFactory

34 replies 4

Object Relational Mapping

Hibernate Spring repository returns new object and therefore breaks references between objects

1 reply 3

Hibernate mapping problem

5 replies 1

Object Relational Mapping

book is not mapped - hibernate issue

1 reply 1

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

3 replies 1

Object Relational Mapping

Spring + Hibernate No Session found for current thread

1 reply 1

Even with the class defined, i get the error: org.hibernate.MappingException: Unknown entity

3 replies 1

* Welcome Thorben Janssen

11 replies 1

ManyToMany mapping relationship table is blank (Hibernate newbie)

2 replies 1

Object Relational Mapping

Suggest For Books Please

6 replies

Object Relational Mapping

Hibernate 4 & Spring 4 - ReflectionManager Class Not Found

11 replies 1

Object Relational Mapping

Types of SQL injections

3 replies 1

Object Relational Mapping

getting Invalid column type: getInt not implemented for class oracle.jdbc.driver.T4CRowidAccessor

8 replies 1

Best noSQL database to embed into a Java application?

3 replies

org.hibernate.MappingException: Following superclasses referenced in extends not found: null

3 replies 1

cant understand the send table ie filter_filters

10 replies 3

Object Relational Mapping

JPA application issue using netbeans 8.1

5 replies

OneToMany vs ManyToOne

5 replies

createQuery not working but createNativeQuery works

8 replies

More »
Best this month

Object Relational Mapping

JPA application issue using netbeans 8.1

5 replies

OneToMany vs ManyToOne

5 replies

java.lang.IllegalArgumentException: Cannot convert error occurred.

2 replies

Disadvantage of Hibernate

1 reply

JPA mapping error

1 reply

What's different between mapping types in Hibernate?

0 replies

More »
Object Relational Mapping Forum at JavaRanch

JPA - Hibernate saving multiple relationship

6 months ago 5 replies

Spring

how to create table in hibernate if table not exist and then do insert operation?

6 months ago 2 replies

Working Example of Hibernate Call to an Oracle Stored Proc.

6 months ago 1 reply

Delete query also getting called along with select query on user entity

6 months ago 0 replies

jpa how to fetch namedEntityGraph on detached entity?

6 months ago 0 replies

spring data jpa and hibernate n+1 selects on manytoone column

6 months ago 2 replies

Auditing on embedded field using Envers

6 months ago 1 reply

ManyToMany mapping relationship table is blank (Hibernate newbie)

6 months ago 2 replies 1

Even with the class defined, i get the error: org.hibernate.MappingException: Unknown entity

6 months ago 3 replies 1

Org.hibernate.AnnotationException: No identifier specified for entity: <Entity Class>

6 months ago 1 reply

JPA errors, using HAVING count with Hibernate

7 months ago 2 replies

Refer a good text book for Hibernate

7 months ago 1 reply

Spring

How to retrieve records from a table

7 months ago 0 replies

Regarding slow performance in Hibernate

7 months ago 4 replies

Is there is option to mention TransactionModeas manged property in Hibernate

7 months ago 0 replies

Spring

Hibernate Spring repository returns new object and therefore breaks references between objects

7 months ago 1 reply 3

Child mapping help

7 months ago 0 replies

Trouble setting in class

7 months ago 2 replies

Clearing Entity from Hibernate

7 months ago 0 replies

Updating child DTO object and @MapsId

8 months ago 13 replies

inconsistent jars for hibernate setup

8 months ago 1 reply

Hibernate Caching Entities

8 months ago 4 replies

Need help setting up Hibernate

8 months ago 0 replies

Spring

book is not mapped - hibernate issue

8 months ago 1 reply 1

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

8 months ago 3 replies 1

Hibernate mapping problem

8 months ago 5 replies 1

Hibernate ManyToOne mapping with filter

8 months ago 0 replies

how do I see Hibernate summarized statistical information ?

8 months ago 2 replies

Hibernate not inserting rows

8 months ago 7 replies

JPA detaching entity still persists upon exit

9 months ago 3 replies

Hibernate & Joda DateTime - SQLException: expected DATE got BINARY

9 months ago 2 replies

Hibernate framework depiction in Java bank management system

9 months ago 0 replies

Join table for java @manytomany relationship empty

9 months ago 3 replies 1

what will happen if we save from the non owner side of a many-to-many bi-directional ?

9 months ago 1 reply

Should CASCADE only be specified on the owner side of a bi-directional relationship ?

9 months ago 1 reply
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Object Relational Mapping

Best this year

No persistence provider for EntityManager for Hibernate in Maven

Problem in building hibernate SessionFactory

Hibernate Spring repository returns new object and therefore breaks references between objects

Hibernate mapping problem

book is not mapped - hibernate issue

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

Spring + Hibernate No Session found for current thread

Even with the class defined, i get the error: org.hibernate.MappingException: Unknown entity

* Welcome Thorben Janssen

ManyToMany mapping relationship table is blank (Hibernate newbie)

Suggest For Books Please

Hibernate 4 & Spring 4 - ReflectionManager Class Not Found

Types of SQL injections

getting Invalid column type: getInt not implemented for class oracle.jdbc.driver.T4CRowidAccessor

Best noSQL database to embed into a Java application?

org.hibernate.MappingException: Following superclasses referenced in extends not found: null

cant understand the send table ie filter_filters

JPA application issue using netbeans 8.1

OneToMany vs ManyToOne

createQuery not working but createNativeQuery works

Best this month

JPA application issue using netbeans 8.1

OneToMany vs ManyToOne

java.lang.IllegalArgumentException: Cannot convert error occurred.

Disadvantage of Hibernate

JPA mapping error

What's different between mapping types in Hibernate?

Object Relational Mapping Forum at JavaRanch

JPA - Hibernate saving multiple relationship

how to create table in hibernate if table not exist and then do insert operation?

Working Example of Hibernate Call to an Oracle Stored Proc.

Delete query also getting called along with select query on user entity

jpa how to fetch namedEntityGraph on detached entity?

spring data jpa and hibernate n+1 selects on manytoone column

Auditing on embedded field using Envers

ManyToMany mapping relationship table is blank (Hibernate newbie)

Even with the class defined, i get the error: org.hibernate.MappingException: Unknown entity

Org.hibernate.AnnotationException: No identifier specified for entity: <Entity Class>

JPA errors, using HAVING count with Hibernate

Refer a good text book for Hibernate

How to retrieve records from a table

Regarding slow performance in Hibernate

Is there is option to mention TransactionModeas manged property in Hibernate

Hibernate Spring repository returns new object and therefore breaks references between objects

Child mapping help

Trouble setting in class

Clearing Entity from Hibernate

Updating child DTO object and @MapsId

inconsistent jars for hibernate setup

Hibernate Caching Entities

Need help setting up Hibernate

book is not mapped - hibernate issue

Having Trouble Setting Up Hibernate ORM 5.2.2 in Eclipse

Hibernate mapping problem

Hibernate ManyToOne mapping with filter

how do I see Hibernate summarized statistical information ?

Hibernate not inserting rows

JPA detaching entity still persists upon exit

Hibernate & Joda DateTime - SQLException: expected DATE got BINARY

Hibernate framework depiction in Java bank management system

Join table for java @manytomany relationship empty

what will happen if we save from the non owner side of a many-to-many bi-directional ?

Should CASCADE only be specified on the owner side of a bi-directional relationship ?

Databases