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Questions tagged jpa

279 questions · page 4 of 6

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18
votes
6
answers

What unit test to write for a class using generics in Java?

java unit-testing generics jpa dao
asked 2011-01-18T21:02:06.720
47
votes
3
answers

PersistenceContext EntityManager injection NullPointerException

java hibernate jpa jboss resteasy
asked 2011-01-16T21:05:26.240
56
votes
3
answers

How to write JPQL SELECT with embedded id?

java jpa jpql composite-key
asked 2011-01-13T04:53:56.527
224
votes
3
answers

Make Hibernate ignore instance variables that are not mapped

java hibernate jpa
asked 2011-01-11T20:59:04.503
12
votes
3
answers

Selecting where an entity contains a list thats a subset of another list

jpa jpql
asked 2011-01-09T09:41:17.497
89
votes
2
answers

hibernate jpa criteriabuilder ignore case queries

jpa
asked 2011-01-08T19:48:08.000
24
votes
4
answers

jpa removing item from list

java jpa
asked 2011-01-04T11:48:18.097
70
votes
4
answers

How to write Subqueries with In-Expressions in JPA 2.0, Criteria API?

jpa subquery jpa-2.0 criteria-api in-subquery
asked 2010-12-19T15:16:39.240
272
votes
15
answers

Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.idea.MAE_MFEView

hibernate jpa orm identifier hibernate-annotations
asked 2010-12-07T20:33:08.127
40
votes
8
answers

How to check if a record exists using JPA

java jpa
asked 2010-12-07T08:35:55.247
194
votes
20
answers

How to view the SQL queries issued by JPA?

java jpa
asked 2010-12-06T03:15:00.867
11
votes
2
answers

Discriminator , WrongClassException JPA with Hibernate backend

java hibernate jpa
asked 2010-12-02T10:58:45.070
15
votes
6
answers

Mapping array with Hibernate

postgresql hibernate jpa
asked 2010-12-02T06:57:53.317
243
votes
8
answers

How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause

hibernate jpa cascade cascading-deletes orphan-removal
asked 2010-12-01T21:58:15.100
61
votes
3
answers

How to test whether lazy loaded JPA collection is initialized?

java hibernate jpa lazy-loading
asked 2010-11-29T17:44:33.643
11
votes
1
answers

Jpql selecting the one maximum row from each group

java jpa jpql
asked 2010-11-25T11:06:40.963
10
votes
3
answers

How to do a like case-insensitive and accent insensitive in Oracle 10gR2 and JPA?

java oracle-database jpa
asked 2010-11-18T19:35:49.913
143
votes
11
answers

How to annotate MYSQL autoincrement field with JPA annotations

java mysql orm jpa annotations
asked 2010-11-04T23:51:10.143
55
votes
14
answers

Hibernate @ManyToOne references an unknown entity

java hibernate jpa
asked 2010-10-20T23:31:52.700
15
votes
4
answers

Best practice: best database naming convention for JPA?

java sql hibernate jpa naming-conventions
asked 2010-10-15T18:33:51.910
9
votes
2
answers

C3p0 connection pooling for jpa in persistence.xml not working?

hibernate jpa jetty tomcat6 c3p0
asked 2010-10-15T18:00:40.873
16
votes
1
answers

How to do bulk delete in JPA when using Element Collections?

java hibernate orm jpa jpa-2.0
asked 2010-10-11T02:34:59.553
32
votes
3
answers

What transaction manager to use? (JPA, Spring)

java spring jpa transactions
asked 2010-10-07T10:03:17.413
103
votes
3
answers

JPA: how do I persist a String into a database field, type MYSQL Text

java mysql orm jpa
asked 2010-10-05T21:59:05.240
58
votes
3
answers

Inherited abstract class with JPA (+Hibernate)

java hibernate jpa annotations
asked 2010-09-30T03:30:12.190
13
votes
1
answers

How do I query for only superclass entities in a jpql query?

orm jpa eclipselink jpa-2.0 jpql
asked 2010-09-22T02:39:31.043
10
votes
3
answers

How to add a separate Primary Key to a Join Table in Hibernate

java hibernate orm jpa
asked 2010-09-21T16:24:30.653
66
votes
17
answers

No operator matches the given name and argument type(s). You might need to add explicit type casts. -- Netbeans, Postgresql 8.4 and Glassfish

java postgresql orm jpa eclipselink
asked 2010-09-17T23:53:31.433
12
votes
4
answers

Using enum as id

java jpa openjpa
asked 2010-09-15T12:48:31.667
17
votes
5
answers

JPA Query MONTH/YEAR functions

java orm jpa jpql
asked 2010-09-09T07:27:21.383
11
votes
2
answers

JPA/Hibernate mapping dynamic columns as a List of objects

java hibernate orm jpa
asked 2010-09-07T10:23:41.633
52
votes
7
answers

SINGLE_TABLE inheritance strategy using enums as discriminator value

java hibernate orm jpa enums
asked 2010-09-03T20:03:46.267
21
votes
4
answers

JPQL ORDER BY clause with parameter

hibernate orm jpa sql-order-by jpql
asked 2010-09-01T08:30:05.287
13
votes
2
answers

JPA Best Practice: Static Lookup Entities

java hibernate orm jpa jakarta-ee
asked 2010-08-31T22:16:57.020
10
votes
3
answers

Problems with generating sql via eclipseLink - missing separator

java sql jpa eclipselink persistence.xml
asked 2010-08-31T07:18:20.583
18
votes
1
answers

Using JPA2 criteria API without Metamodel on a List property

java orm jpa jpa-2.0 criteria-api
asked 2010-08-30T22:36:26.180
11
votes
2
answers

Hibernate @generatedvalue for HSQLDB

java hibernate orm jpa hsqldb
asked 2010-08-29T22:17:34.033
11
votes
2
answers

Database modeller for JPA with visual diagrams

java jpa database-design
asked 2010-08-27T06:47:49.883
26
votes
6
answers

HSQLDB and Hibernate/JPA - not persisting to disk?

java hibernate jpa hsqldb
asked 2010-08-23T21:50:46.457
22
votes
2
answers

javax.persistence annotations and inheritance

java hibernate jpa annotations
asked 2010-08-18T06:30:58.963
15
votes
1
answers

How to specify that a combination of columns should be a unique constraint using annotations?

hibernate jpa annotations unique-constraint
asked 2010-08-17T16:00:18.783
39
votes
11
answers

@Column(unique=true) does not seem to work

mysql jpa jakarta-ee orm
asked 2010-08-16T18:18:01.197
42
votes
5
answers

Unique constraint with JPA and Bean Validation

java validation jpa unique bean-validation
asked 2010-08-16T16:53:07.490
29
votes
3
answers

How to run an aggregate function like SUM on two columns in JPA and display their results?

java orm jpa java-ee-6 jpa-2.0
asked 2010-08-10T13:57:35.533
96
votes
4
answers

JPA: difference between @JoinColumn and @PrimaryKeyJoinColumn?

java hibernate jpa jakarta-ee identifying-relationship
asked 2010-08-05T16:49:00.480
13
votes
1
answers

How to NOT select empty string

java mysql jpa orm
asked 2010-08-05T15:07:15.467
63
votes
6
answers

Hibernate JPA, MySQL and TinyInt(1) for Boolean instead of bit or char

java mysql hibernate jpa jpa-2.0
asked 2010-08-01T18:12:12.453
14
votes
1
answers

JPA 2.0 Criteria and grouping of Predicates

hibernate jpa orm derby jpa-2.0
asked 2010-08-01T16:02:26.183
10
votes
3
answers

Spring @transactional does not start a transaction while testing with JUnit4

java hibernate spring jpa transactions
asked 2010-07-28T07:21:01.243
19
votes
7
answers

Is Hibernate deprecated?

java hibernate jpa
asked 2010-07-22T07:04:16.473
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