About xml

forum_thread

How force always recreate database on redeployment.

Is there some easy way to force recreation/deletion of the current database on deployment of a web application (to Glassfish). My web application uses a @Singleton @Startup bean to create and persist a test model each run. I keep getting models on top of each other on rerunning my web application. Currently, to avoid multiple models in the database, I have to undeploy from Glassfish, stop the server, delete the database file, re-start the objectdb server, re-run the web app, which is tedious. ... tedious. Is there a system property, persistence.xml property, or config file property I can use to set to force ObjectDB to ... Specialists in model-based UML, SysML, Enterprise Java, XML, and Drupal CMS web engineering. Dr Darren Kelly, BSc, PhD, ... when using a web application container and persistence.xml in client-server mode ? --- Webel IT Australia, "The ...

 
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.... to configure JPA by setting a  META-INF/persistence.xml file: Right click the src/main/resources node (in the ... select  New > File , enter  persistence.xml as file name and click  Finish . Verify that a new ...

 
tutorial

Step 2: Entity Class and Persistence Unit

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

 
forum_thread

Possible cause for "Enhancement of type ... is old and cannot be used"

We get the following log: ... Specialists in model-based UML, SysML, Enterprise Java, XML, and Drupal CMS web engineering. Dr Darren Kelly, BSc, PhD, ... Specialists in model-based UML, SysML, Enterprise Java, XML, and Drupal CMS web engineering. Dr Darren Kelly, BSc, PhD, ... Specialists in model-based UML, SysML, Enterprise Java, XML, and Drupal CMS web engineering. Dr Darren Kelly, BSc, PhD, ...

 
forum_thread

Exception while accessing the Persistence unit ...?

Hi, I am new to ObjectDB I was trying your eclipse/jee6/glassfish tutorial. I am getting the following exception: ... Maybe the persistence.xml file has an error or maybe it is located in the wrong directory, because ... the turorial few times. Here is my persistence.xml and attached please find the eclipse project layout: (Note eclipse is ...

 
manual

Storing JPA Entity Objects

Explains how to use JPA to store (persist) entity objects in the database.... a JPA portable way, by specifying the cascade-persist XML element in the XML mapping file: <entity-mappings xmlns = ...

 
forum_thread

How to define Default Entity Listeners without persistence.xml and orm.xml

I am using JPA programaticaly..ie without xml file, and i would like to define Default Entity Listeners. How to do ? Here my init code: ... I am using JPA programaticaly..ie without xml file, and i would like to define Default Entity Listeners. How to ... listeners is one of the few things that currently require XML metadata. You cannot define default listeners using annotations (at ...

 
forum_thread

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 ------- ... but I keep getting stuck on setting up the persistence.xml on JBoss 6 AS. Here is my setup: <persistence version = "2.0" xmlns = "http://java.sun.com/xml/ns/persistence" xmlns:xsi = ... xsi:schemaLocation = " http://java.sun.com/xml/ns/persistence ...

 
forum_thread

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check" system property) The following is a detailed report on investigation of multiple issues that have been mentioned in the following forum postings and issue reports (but please do not visit them from here now, the diagnostics there are now obsolete): - Issue #282 - ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection ... . This must be something to do with the Ant build.xml and build-impl.xml (a problem for another day). - All reports here are from executing ...

 
forum_thread

Visibility of changes in Transaction is not visible to a JPA QL Query

I have two simple Entities ( see attachment ) and a simple SLSB with container managed transactions which is called by a trivial servlet. Inside a UserTransaction I add a number of items then check to see that they have been added ... ; } } and the persistence.xml   <?xml version = "1.0" encoding = "UTF-8" ?> <persistence ...