select query is too slow when i select byte{}(BLOB) data
Hi, I need to select the Avatar from database. Its take long itme.. It is BLOB type.. This is the query, select tab.userId,tab.avatar from UserTable; Also i tried thru. hibernate. Is there any...
View ArticleUnable to insert rows
I able to generate the schema but when I try to insert, I am getting the error com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityCons traintViolationException: Column 'id' cannot be null. My Phone table...
View ArticleHow to create hibernate View dynamically from two tables which are across the...
I want to create mysql view for two tables which are in different schema using hibernate. I am using entity_mode as dynamic-map, so all my operations are based on Map. I have two different hibernate...
View ArticleProblem fecthing data using hibernate as table is having no primary key
Hi , I am facing problem while using hibernate 3.I am trying to fetch data from a table with where clause.The query is bringing three rows which is right and is according to my requirement ,but all...
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JPA design problem: Referencing entities which implement a specific interface
Hello all, currently I am making my first steps regarding JPA / Hibernate. The basics are pretty clear to me, but now I encountered a design problem I could not solve. The problem is about the table...
View ArticleSession and SessionFactory
In the hibernate examples I have seen session object is closed by calling session.close() , but sessionfactory is never closed. Is a sessionfactory object not needed to be closed?
View ArticleTwo entity classes
As you know, in hibernate, there is a mapping file called <classname>.hbm.xml. So if we have two entity classes say employee and certificate then the file should be named ? 1. Employee.hbm.xml 2....
View ArticleSomething wrong somewhere!!!
I am following the tutorial from the site: Hibernate SortedSet Mappings It is an example of a sorted set mapping. The example uses a class called MyClass which is basically supposed to sort the...
View Articledoes NamedParameterJdbcTemplate.update wait until mysql transaction finishes?
Ok, I've probably dug up the entire Google land and still couldn't find anything that could possibly answer my question. :frusty: I have my little foo method that does some deleting like this: Code:...
View ArticleBasic Configuration question
factory = new Configuration().configure().buildSessionFactory(); In the above: 1. Configuration() is a class 2. configure() is a method in the Configuration class What is buildSessionFactory()? How can...
View ArticleProblem to access CompositeUserType class properties in hql
Hi, I have to apply query for CompositeUserType pojo using hibernate hql. The custom type nothing but xml data. I converted from xml to java bean object. It is not working when i apply query opposite...
View ArticleDetatchedCriteria without on clause
Hi All! I'm relatively new to Hibernate. I have to use the 3.2 version and i need to use DetachedCriteria and obtain the following query: select this_.ID as ID0_1_, this_.SNDG as SNDG0_1_, this_.NDG as...
View Articleuse of bar code in inventory management with java swing+jdbc
i have a small project in java swing+jdbc for school library management system i am working on and i have to include barcode sytem for management for library data but i have no idea about how bar code...
View ArticleAssociation Mappings
I am following the tutorial Hibernate O/R Mappings It says there are four types of association mappings: Many-to-One One-to-One One-to-Many Many-to-Many I always keep forgetting on which side the extra...
View ArticleHibernate inheritance:Table per class hierarchy
Hello, I have 3 table in the db, and I am in a situation of hierarchy. I enclose the tables. Code: CREATE TABLE IF NOT EXISTS `utente` ( `idUtente` int(11) NOT NULL AUTO_INCREMENT, `abilitato`...
View Articleorg.hibernate.MappingException: component class not found:...
hibernate.cfg.xml ----->> <?xml version="1.0" encoding="utf-8"?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"...
View Articlecan we create table for abstract class in hibernate
hi can any one answer shall we create table for abstract class if not tell me he reason thanks in advance.
View ArticleHow to let hibernate know where to look for configuration file
I just export my java project to executable jar. I have somehow made my project work to access value from DB (hibernate.cfg.xml), config.properties, and log4j.properties & editable for future... I...
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I wrote a simple Web Based Application insertion Program using Hibernate..Plz...
But i got stuck with an error HTTP Status 500 - -------------------------------------------------------------------------------- type Exception report message description The server encountered an...
View ArticleHibernate setup in Juno
Hello forum members, I want to start an dynamic webapplication build with Maven. I used archetype 11 to build the project and compile it to an Eclipse project. Now i need to work with Hibernate to CRUD...
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