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Re: [eclipselink-users] Anyone using EL with newer Tomcat Servlet Environment and JNDI datasource?
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Yes, it works.
But you need a "trick" (I've adapted from example available in the
Internet - but I lost the reference):
package my.pack;
import javax.naming.InitialContext;
import org.eclipse.persistence.config.SessionCustomizer;
import org.eclipse.persistence.sessions.Connector;
import org.eclipse.persistence.sessions.JNDIConnector;
import org.eclipse.persistence.sessions.Session;
public class JPACustomizer implements SessionCustomizer {
public JPACustomizer() {
}
@Override
public void customize(Session session) throws Exception {
JNDIConnector connector;
try {
new InitialContext();
Connector conn = session.getLogin().getConnector();
if (conn instanceof JNDIConnector) {
connector = (JNDIConnector) conn; // possible CCE
connector.setLookupType(JNDIConnector.STRING_LOOKUP);
}
} catch (Exception e) {
Util.debug(e);
}
}
}
then in configuration file, you will have to put (inside properties):
<persistence-unit name="SimuladorFretePU"
transaction-type="RESOURCE_LOCAL">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<non-jta-data-source>java:comp/env/jdbc/myDataSource</non-jta-data-source>
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<shared-cache-mode>ALL</shared-cache-mode>
<validation-mode>NONE</validation-mode>
<properties>
<property name="eclipselink.session.customizer"
value="my.pack.JPACustomizer"/>
...
Kind regards,
Edson Richter
On 15-10-2014 10:31, Markus Kolb wrote:
Hello,
does anyone use current EclipseLink version with a up-to-date Tomcat
Servlet Container and JNDI non-jta-datasource?
I try to get this working for some hours now...
- EclipseLink 2.5.2 (also tried 2.5.0)
- Tomcat 8.0.14 (but also 7.0.40 tried)
The Tomcat configuration is working. I can lookup the datasource in my
application code.
But EclipseLink throws a NullPointerException in its
JNDIConnector.connect(...).
I've reported this as
https://bugs.eclipse.org/bugs/show_bug.cgi?id=447264
I've also tried
https://wiki.eclipse.org/EclipseLink/Examples/JPA/Tomcat_Web_Tutorial#Session_Customizer.
Result: Same NPE.
I'm using now a Jetty Container 9.2.3 with EclipseLink 2.5.2 and the
same WAR just works.
Is there any trick to get this working in Tomcat?
Thanks
Markus
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