Tagged Questions
-1
votes
0answers
10 views
Get data from two entities in Hibernate
By now i used a list to get a data from one entities. I put this data in json object and return object which have tree model. In tree model one sub-tree have data from one table. Then now i must get ...
-4
votes
1answer
28 views
How to store image in MySql using Java and also using Hibernate [closed]
I Want to store image in MySql using Java and also using Hibernate.
Please tell me to store image in MySql using Java and also using Hibernate
1
vote
1answer
22 views
different validations in JPA
I am converting a project to JPA2.0 with hibernate implementation and JSF2.0. There is some annotations in the old project like @Length(min = 3) and @NotNull which are imported from ...
0
votes
1answer
39 views
Conversion of SQL into HQL
How to convert this sql in hql, I have only created simple hql without joins so far, having difficulty to turn following into hql
select distinct rm.roomDescription,rm.roomID from Room rm
inner join ...
0
votes
0answers
19 views
Hibernate criteria API: only one result
I have some problems with the Hibernate criteria API. I want to get rows of a table as objects, but limit the amount of returned results. Here is the code:
Criteria c = ...
0
votes
0answers
13 views
How to request an embedded class?
I'm using a class entity with an embdeded id:
@IdClass(value = Id.class)
@Entity
Entity {
@Id
long aid;
@Id
long bid;
long param;
}
@Embdedable
Id {
long aid;
long bid;
}
I would ...
-3
votes
0answers
23 views
Best Approach to develop a 3-tier Java EE Application?
I am a new bee in developing 3-tier Java EE applications.
I want to develop a small 3 tier appliation using spring, hibernate and jboss7.
To be clear my application should be an 3-tier Java EE ...
0
votes
3answers
91 views
javax.persistence.TransactionRequiredException: Executing an update/delete query
I am using JPA2.0+hibernate3.2+Spring3.0.5+MySql5.5 to implement DAO function,but it doesn't work and just throw javax.persistence.TransactionRequiredException when i tried to persist entity to DB. ...
0
votes
1answer
32 views
Full text search exception with special characters in PostgreSQL
I am trying to get the list of objects by search text. If I proceed this with special character string for ex,
searchText ="Agenya\\&\&";
query like this
(I am using Postgres's full text ...
1
vote
0answers
13 views
Doctype correct?
I'm trying to do and exemple of this site: http://www.compilr.org/struts-2-and-hibernate-4-application/1343/
But when i execute the aplicacion I can see this error on the Eclipse console: Initial ...
1
vote
2answers
32 views
Implement a generic search on persisted JPA entities
Say we have an entity Foo that contains various data fields, one being a List<Bar>. In turn, a Bar has various data fields, one being a List<Snafu>. We want to give the user an input ...
1
vote
1answer
32 views
Child objects are not deleted even though I have cascading on
Why are not feedback deleted when I delete food? I have the following mapping on the set of feedback. Issuing a named query like this delete from Food where id = :id . (Yes, I set the id on removal).
...
0
votes
0answers
12 views
com.mysql.jdbc.jdbc2.optional.MysqlXAException: XAER_INVAL: Invalid arguments
I am using JPA+Hibernate+Spring+Atomikos and got an odd error,i think the coding is not difficult to understand,so just paste it here and don't do too much explanation,
1.Entity
@Entity
...
0
votes
1answer
42 views
Bidirectional Association In JPA Repository Not Working
Here are my tables:
ORDER
CREATE TABLE ORDER_DETAILS (
ID INT NOT NULL AUTO_INCREMENT
, ORDER_ID VARCHAR(60) NOT NULL
, ADDRESS_ID INT
-- , DRIVER_ID INT
, BARCODE_ID ...
0
votes
4answers
42 views
What cause org.hibernate.PropertyAccessException: Exception occurred inside setter
What cause this exception, I can't manage to find out.
Request processing failed; nested exception is javax.persistence.PersistenceException: org.hibernate.PropertyAccessException: Exception occurred ...
