About persistence.xml

manual

JPA Persistence Unit

Explains how to define a JPA persistence unit in the persistence.xml file.... This page covers the following topics: persistence.xml XML Mapping Metadata Managed Persistable Classes persistence.xml Persistence units are defined in a persistence.xml ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in an Eclipse Spring MVC web application project.... We also need to configure JPA by setting a  META-INF/persistence.xml file: Right click the src/main/resources node ... window, select  New > File , enter  persistence.xml as file name and click  Finish . Verify ...

 
tutorial

Step 2: Entity Class and Persistence Unit

To store objects in an ObjectDB database using JPA we need to define an entity class:... We also need to configure JPA by setting a META-INF/persistence.xml file: Open the [New Folder] dialog box, e.g. ... Explorer] window, select New > File , enter persistence.xml as file name and click Finish . Verify that ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in a NetBeans Spring MVC web application project.... Database] step click Finish to generate a default persistence.xml file with a default persistence unit (that will be configured ... unit (with default settings) was generated in a persistence.xml file that was added to the project (under Other Sources > ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in a NetBeans Java EE 6 web application.... step just click Finish to generate a default persistence.xml file with a default persistence unit (that will be configured ... unit (with default settings) was generated in a persistence.xml file that was added to the project (under Configuration Files). Open the persistence.xml file in a text editor (by right clicking and selecting Edit ...

 
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JPA Configuration without persistance.xml

Hi,   I've been using Hibernate with JPA, and found it too slow, so am moving my project to use ObjectDB. My Jar is being held inside another application, so I don't want to have to rely on a persistance.xml file being in a particular place. When using Hibernate, I was able to do the following: ... When using ObjectDB the persistence.xml is file optional . Just annotate the classes and use ...

 
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Jboss 6 persistence.xml startup error

Hi,   I'm trying to migrate a small EJB 3.1 project from Postgres to ObjectDb to test out feasibility, but I keep getting stuck on setting up the persistence.xml on JBoss 6 AS.   Here is my setup: ------- Start persistence.xml ------- ... feasibility, but I keep getting stuck on setting up the persistence.xml on JBoss 6 AS. Here is my setup: ... - but none refer to the jta-data-source element in the persistence.xml that I managed to find. Also, when setting up a jboss ... by ObjectDB but is required by JBoss. See the attached persistence.xml file. If the IDE requires specifying SQL driver, etc - ...

 
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Externalising persistence.xml properties in Glassfish?

Hi, ... I've run into a little bit of a wall with regards to persistence.xml and externalising the URL for the database. You see I'm ... Basically, what I am trying to get at: E.g. persistence.xml <persistence-unit name = "invoicingTxUnit" ...

 
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Specify location of persistence.xml

Is it possible to tell objectdb explicitly where the persistence.xml is located? ... Is it possible to tell objectdb explicitly where the persistence.xml is located? The background is that I am testing ... solution for a project, and as other Providers use also a persistence.xml I exceed the number of persistable classes, as I have one ...

 
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Feature suggestion: auto-detection of entities via persistence.xml extension

I am encountering problems (complexities) with EntityManager registration of entities across multiple modules in a multi-module Maven project. I have a  entities under many different paths in many different modules, and frequently evolving/changing. JPA2 persistence.xml does not seem to have support for wildcards under the <class> field. Apparently Hibernate has an autodetection extension system: hibernate.archive.autodetection https://docs.jboss.org/hibernate/entitymanager/3.6/reference/en/html/configuration.html ... modules, and frequently evolving/changing. JPA2 persistence.xml does not seem to have support for wildcards under the ... Example extension usage in persistence.xml: <properties > <!-- Scan for ... exclude-unlisted-classes=true  is specified in the persistence.xml file. The classpath root that contains the ...