Hello Chris,
Thanks for quick reply.
The application is build using EJB3. The application
is getting EntityManager using Annotation @PersistenceContext(unitName
= "BgPU") in stateless bean. We are using below persistence.xml
in our application and datasource is configured in WebSphere. There are no explicit
properties set in persistence.xml. The same application is working on Glassfish.
<?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="BgPU">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<jta-data-source>jdbc/BgDS</jta-data-source>
<class>………………..</class>
<class>………………..</class>
</persistence-unit>
</persistence>
Thanks & Regards,
Atish
From: eclipselink-users-bounces@xxxxxxxxxxx
[mailto:eclipselink-users-bounces@xxxxxxxxxxx] On Behalf Of Christopher Delahunt
Sent: Tuesday, September 28, 2010
6:16 PM
To: EclipseLink User Discussions
Subject: Re: [eclipselink-users]
WebSphere datasource note working for insert update queries.
Hello Atish,
The error indicates that there is no URL and no classname for the driver- it is
attempting to use a DefaultConnector which creates
connections itself instead of obtaining them from a datasource.
How are you obtaining the EntityManager and its factory, and could you have
overridden these settings by passing in null for these properties? As the
login occurs only once, are you sure you are using the same persistence unit
with the same settings when reading as when writing? What are the
settings used in the persistence.xml?
Best Regards,
Chris
On 28/09/2010 7:23 AM, Atish Potdar wrote:
Hi Group,
I have configured datasource in WebSphere to connect
to DB2 and using it in my J2EE application. The same datasource has been
configured in Persistence,xml. When I run the application then it can read and
display the data but when I tried to create or update records then it throws
following error. Can any body please advice on this?
Thanks in advance.
Error Log:
[9/28/10 16:10:18:265 IST]
0000001c SystemOut O [EL Severe]: 2010-09-28
16:10:18.265--ServerSession(164956629)--Local Exception Stack:
Exception [EclipseLink-4021]
(Eclipse Persistence Services - 2.0.0.v20090725-r4721):
org.eclipse.persistence.exceptions.DatabaseException
Exception Description: Unable to
acquire a connection from driver [null], user [null] and URL [null].
Verify that you have set the expected driver class and URL. Check your
login, persistence.xml or sessions.xml resource. The jdbc.driver property
should be set to a class that is compatible with your database platform
at
org.eclipse.persistence.exceptions.DatabaseException.unableToAcquireConnectionFromDriverException(DatabaseException.java:375)
at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:90)
at
org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:584)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:231)
at
org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:263)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:135)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:187)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:175)
at
com.fundamo.core.DefaultEntityManagerResolver.setEntityManager(DefaultEntityManagerResolver.java:44)
…………
……….
Thanks & Regards,
Atish
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