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Questions tagged [persistence.xml]

Used with the Java Persistence API, specifies names and database properties.

When used with the Java Persistence API, the persistence.xml file is usually placed in the META-INF folder; it's used to specify the persistence provider name, entity class names, and properties like the database connection URL, driver, user, password, and so on (taken from http://www.javaworld.com/javaworld/jw-01-2008/jw-01-jpa1.html?page=3).

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Multiple persistence unit on Wildfly

I'm using JPA with Wildfly and I am connecting to multiple databases. Below is the persistence.xml - java:jboss/datasources/ContiegoDS …
Víctor Cardozo
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Can't use EntityManagerFactory twice for a database in test environment

For test purposes I want to populate the category table with test data. Which works fine. But when I want to populate another table named products then an error occurs. And it's because of the following line (I discovered it by uncommenting the…
superkytoz
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Schemas generation through JPA 2.1 EclipseLink

I am trying to understand all the properties for schemas generation of JPA 2.1 using EclipseLink implementation and a Mysql database, but I had several bugs easy to explain but difficult to debug Here is my persistence.xml document
abderrahim laakab
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Where to put persistence.xml in a Eclipse EJB Gradle project?

a) If I put persistence.xhtml in src/main/java/META-INF/ Gradle won't include it in generated jar file, as it is not a java file. b) If I put it in src/main/resources/META-INF/ Gradle will include it in generated jar file but Eclipse will complain…
icordoba
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Only one entity generated in database [jee]

i am new in jee i create two entities with different namedquery. when i run my application on wildfly 10, only one entity generated in the data base despite when i check my console i find my two entities in jndi. this is my two…
Hamdy
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How to use EJB 3 with persistence unit on a JBoss AS?

I have a JBoss AS, and on this server there is a standalone.xml file where there several properties, there are my datasources too, so how combine the datasources in the standalone.xml file with a persistence unit that I want to add to an EJB ?
mobile_beginner_2015
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JPA specify multiple sql-load-script-source

I need to fill my database on ear startup, so I add javax.persistence.sql-load-script-source tag with reference to the file. …
Daniele Licitra
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How to use DB2 JDBC driver with Hibernate

I keep getting java.lang.ClassNotFoundException: Could not load requested class : com.ibm.db2.jcc.DB2Driver when trying to connect to a DB2 database using Hibernate. The driver jar is referenced as an external library: Image of Eclipse's…
Tim
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weblogic 12c The processing instruction target matching "[xX][mM][lL]" is not allowed

I am migrating an ejb 1.0 app to ejb 3.1 app. The current app is running in WebLogic Server Version: 12.1.3.0.0 on jdk 8. For POC I have chosen one session bean and one entity bean and have upgraded to 3.1 by providing updated ejb-jar.xml, orm.xml…
donlys
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the config in persistence.xml can not get value from spring cloud config

I encounter wired issue when I use spring cloud config. And I config a para in persistence.xml, and can not get value with spring cloud config when I start my app. Error creating bean with name 'dataSource' defined in URL …
twocool
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JBoss7.1.0: Can't find a persistence unit named null in subdeployment

I have a project with 3 modules inside: factory-ear, factory-ejb and factory-web. It deployed to JBoss7 as EAR with ejb.jar and web.war inside. When I trying to get EntityManager in my EJB class @PersistenceContext(unitName = "manager1") private…
evgeny_s
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SpringMVC + JPA + Cannot find the declaration of element 'persistence'

I am getting the " Cannot find the declaration of element 'persistence' exception. I tried the solution given at OpenJPA 2.1.1 - Cannot find the declaration of element 'persistence' but it did not work. Below are the details of my project. I have…
Ash Ash
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Can you specify an orm.xml without a supporting persistence.xml?

I'm very new to Spring and JPA so I'll try a different approach to ask this question: Given that there is a persistence.xml and persistence unit defined in separate jar (call it "core.jar"). In the project/app that I am developing, which includes…
markb
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Use persistence.xml declared in different module

I'm using different separated modules in my app .. jpa-module : contains the JPA entities and the persistence.xml rest-module : where I'm using JAX-RS services and Hibernate to persist the data ... I'm injecting the entitymanager using Guice,…
Mohamed Taboubi
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OSGI JPA Persistence - Handling multiple model bundles persistence.xml

In my project i have a persistence bundle which will perform the create/update/delete operations and multiple model bundles. persistence bundle: PersistenceService.java - Exposed as a service. PersistenceServiceImpl.java persistence.xml -…
Jayanth Bhavani
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