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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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When scanning too many entity in jpa hibernate, glassfish startup very slow or memorry leak

I'm using JavaEE7, hibernate-jpa2.1 My project have too many entity ( approximately 2000 entity) If it only have 100 objects entity, it startup normal. But now I've added all my business entity classes (2000) and I get a pergem space error. …
anhdv
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Can't insert data into database through persistence.xml file

I have created a PostgreSQL script just to insert a row in the customer table. The insert happens when my project is starting to run. But it doesn't work because I'm getting the following error: [EL Warning]: 2016-10-23…
superkytoz
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JEE7/JAX-RS How to programatically create a JDBC connectionpool

I'm currently developing a REST service to replace an existing solution. I'm using plain Payara/JEE7/JAX-RS. I am not using Spring and I do not intent to. The problem I'm facing is that we want to reuse as much of the original configuration as…
Brixomatic
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Could not find any META-INF/persistence.xml file in the classpath on WebProject

After thoroughly searching this forums looking for an answer, I couldn't find a single case similar to mine. After generating the WAR filer using maven and deploying my server, everytime I send a GET request to a API that needs to create a DAO I get…
Pedro Yan Ornelas
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OpenJPA > Is it possible to define persistence xml file somewhere else than META-INF with name persistence.xml

I am a new OpenJPA 2.2.2 user. I noticed that the database configuration has to be defined in META-INF/persistence.xml. This sounds to be too inflexible. Moreover, I found from the OpenJPA 2.2.2 documentation: The OpenJPA runtime includes a…
Rui
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Where are persistence units in gs-accessing-data-jpa sample?

Here is an example of accessing Data with Spring JPA: http://spring.io/guides/gs/accessing-data-jpa/ Where are any persistence units and/or persistence.xml files there?
Suzan Cioc
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org.xml.sax.SAXParseException; lineNumber: 10; columnNumber: 18; cvc-complex-type.2.4.a: Invalid content was found starting with element 'properties'

I did following tutorial link here and I am getting Caused by: org.xml.sax.SAXParseException; lineNumber: 10; columnNumber: 18; cvc-complex-type.2.4.a: Invalid content was found starting with element 'properties'. One of…
John Doe
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How to specify a jdbc.url in the persistence.xml relative to the application folder?

Once I deploy my application with JPA the user chooses to install it somewhere. Then however the property set as: gets interpreted into the following…
simpatico
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Setting vsession.program in java app using hibernate 5 and c3po connection pool

I'm trying to set the session program name from my java app. I'm using an entity manager passing the connection credentials from user input. I need to be able to set the program name in the oracle session when connected. Right now it only appears as…
speedos82
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Insert Null Struct using EclipseLink JPA

I have an Oracle table with an SDO_GEOMETRY column and I am trying to use EclipseLink JPA2 2.6.1 for persistence. My entity class uses a JTS Geometry for geometry objects and I have written a AttributeConverter to convert from a SDO_GEOMETRY to a…
Paul Howells
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persistence is not using a given port to connect with MySQL DB

I'm trying to connect from my JEE app to mysql database- During deployment I'm getting an error -connection refused (but with information that refused on 1527 port). I can't get what is wrong, and why there is a try to connect to my database on…
Krystian
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How to use SQLite database with path relative to project/application?

My project uses the Maven build manager along with JPA and EclipseLink for interaction with a SQLite databse. The IDE of choice is NetBeans. This question however should not be anchored to the IDE but to the application that is developed in it. I…
rbaleksandar
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Error with OpenJPA and processing a class

This is the error shown: exception org.apache.openjpa.persistence.ArgumentException: An error occurred while processing registered class "class no.avexis.fjellkam.Models.Cabin". …
Patidati
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switching jpa 2.1 schema generation per maven profile

In my jpa app i want to switch ddl schema generation per profile. For schema generation enabled i need additional lines:
dermoritz
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All I want is to access a H2 mem database in Websphere V8 using JPA 2.0

I've been struggling with this for days now and I searched dozens of articles in StackOverflow and other dev sites. I used the Deployment Manager interface to configure a Websphere Application Server 8.0.0.3 with a H2 JDBC provider and a Data Source…
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