[hibernate-dev] Error: registry contains more than one (2) entity manager factories: PERSISTENCE_UNIT_NAME

[Scott Marlow]

I would like to see the exception call stack from when the "registry 
contains more than one" error is thrown.  You can copy it to a website 
like pastie.org or pastebin.com and paste the link here.

Scott
On 12/20/2012 05:38 AM, Teresa Batista Neto wrote:
> Dear all,
>
> After upgrading JPA from 3.6.1 to 4.1.8 I start getting the following error:
>
> "Error: registry contains more than one (2) entity manager factories:
> PERSISTENCE_UNIT_NAME"
>
> Below you can find a brief summary of our specification requirements.
>
> - User logins in the web application using their own oracle database
> account.
> - The web application only needs to access one database schema;
> - The access rights are managed using oracle roles and grant privilegies.
> - Only one database schema and multiple user oracle accounts.
> - We only set the username and password when users tries to login in the
> web application.
> - The EntityManagerFactory is created using the username and password of
> the user.
>
> - Because our web application only access one database we only use one
> persistence unit name.
>
>
> E.g. persistence.xml
>
> <?xml version="1.0" encoding="UTF-8"?>
> <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence"
>      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>      xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
>      http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
>
>    <persistence-unit name="PERSISTENCE_UNIT_NAME">
>      <provider>org.hibernate.ejb.HibernatePersistence</provider>
>
>      <properties>
>      <property name="hibernate.connection.driver_class" value="oracle.jdbc.
> OracleDriver">
>      <property name="hibernate.connection.url" value="jdbc:oracle:xx...">
>      <property name="hibernate.dialect" value="org.hibernate.dialect.
> Oracle10gDialect">
>      <property name="hibernate.default_schema" value="SCHEMA_NAME">
>
>      <property name="hibernate.connection.username" value="USERNAME">
>      <property name="hibernate.connection.password" value="PASSWORD">
>
>      <property name="hibernate.connection.autocommit" value="false">
>      <property name="hbm2ddl.auto" value="validate">
>
>      <property name="hibernate.show_sql" value="true">
>      <property name="hibernate.format_sql" value="true">
>      </properties>
>    </persistence-unit>
> </persistence>
>
>
> E.g. how we create and close the entity manager factory
>
> Map<String, String> configuration = new ProviderConfiguration();
> configuration.put("hibernate.connection.username", username);
> configuration.put("hibernate.connection.password", password);
> EntityManagerFactory emf =
> Persistence.createEntityManagerFactory("PERSISTENCE_UNIT_NAME",
> configuration);
> EntityManager em = emf.createEntityManager();
> SptrTaxNode t = em.find(SptrTaxNode.class, 9606);
> em.close();
> emf.close();
>
> Does anyone ever had a similar situation? Any ideas on how can I solve this
> problem?
>
> Thanks in advance,
> Teresa
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