Hello,
My scenario is this:
I have a library with entities (as in @Entity objects) containing my domain
model. I want to declare a container-managed persistence unit in a standalone
WAR (not EAR), using that library (the persistence.xml must NOT be in the
library, but the WAR). So, I proceed as follows (this is valid as far as I
know, base on J2EE5 specs):
1) I have declared a data source in geronimo-web.xml and web.xml (see below for
file contents).
2) I put my library (as a jar) in my WAR's WEB-INF/lib and added a
WEB-INF/classes/META-INF/persistence.xml in the WAR (see below for file
contents).
Deployment after performing step (1) worked and I could see the data source
registered in the console.
Deployment after performing step (2) fails; from what I understand from the
error (see below), geronimo claims the data-source from step (1) does not
exist. I assume that geronimo tries to create the persistence context prior to
registering the data source? (i.e. it processes persistence.xml prior to apply
the configuration from web.xml and geronimo-web.xml).
What do I need to configure this properly. My deployment descriptors and the
error trace follow:
persistence.xml
-------------------------------------------------------------------------------------------------------------------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<persistence
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";
version="1.0">
<persistence-unit name="appPersistenceUnit" transaction-type="JTA">
<jta-data-source>jdbc/AppDataSource</jta-data-source>
<jar-file>app-entities.jar</jar-file>
</persistence-unit>
</persistence>
web.xml
-------------------------------------------------------------------------------------------------------------------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<web-app
xmlns="http://java.sun.com/xml/ns/j2ee";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="
http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_5.xsd";
version="2.4">
<display-name>App</display-name>
<!-- Unrelated Spring contextListener and Wicket filter configuration here
have been supresed -->
<resource-ref>
<res-ref-name>jdbc/AppDataSource</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
<res-sharing-scope>Shareable</res-sharing-scope>
</resource-ref>
<!--
Ultimately I want to do this, but I can't get persistence.xml to work...
<persistence-unit-ref>
<persistence-unit-ref-name>persistence/appPersistenceUnit</persistence-unit-ref-name>
<persistence-unit-name>appPersistenceUnit</persistence-unit-name>
</persistence-unit-ref>
-->
</web-app>
geronimo-web.xml
-------------------------------------------------------------------------------------------------------------------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://geronimo.apache.org/xml/ns/j2ee/web-2.0.1";
xmlns:naming="http://geronimo.apache.org/xml/ns/naming-1.2";
xmlns:sec="http://geronimo.apache.org/xml/ns/security-2.0";
xmlns:sys="http://geronimo.apache.org/xml/ns/deployment-1.2";>
<sys:environment>
<sys:moduleId>
<sys:groupId>app</sys:groupId>
<sys:artifactId>app-frontend</sys:artifactId>
<sys:version>0.0.1</sys:version>
<sys:type>car</sys:type>
</sys:moduleId>
<sys:dependencies>
<!-- Need the embedded Derby -->
<sys:dependency>
<sys:groupId>org.apache.geronimo.configs</sys:groupId>
<sys:artifactId>
system-database
</sys:artifactId>
</sys:dependency>
</sys:dependencies>
</sys:environment>
<context-root>/app</context-root>
<!-- Ultimately, I want to register the PU in JNDI,
but persistence.xml does not work
<naming:persistence-unit-ref>
<naming:persistence-unit-ref-name>persistence/appPersistenceUnit</naming:persistence-unit-ref-name>
<naming:persistence-unit-name>persistence/appPersistenceUnit</naming:persistence-unit-name>
</naming:persistence-unit-ref>
-->
<naming:resource-ref>
<naming:ref-name>jdbc/AppDataSource</naming:ref-name>
<naming:resource-link>SystemDatasource</naming:resource-link>
</naming:resource-ref>
</web-app>
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