| Re: [eclipselink-users] SessionCustomizer problem |
Seems to be a class loader issue. Ensure that EclipseLink is only on your classpath once. Pavel Zelenka wrote: > > Hi, > > I use EclipseLink with Tomcat 6.0.18 and have this problem: > > I created two web applications both uses eclipselink. Due to using > non-jta-datasources I created in both applications > JPAEclipseLinkSessionCustomizer as shown here: > http://wiki.eclipse.org/EclipseLink/Examples/JPA/Tomcat_Web_Tutorial > > When I start one application everything works fine. As soon as I run the > other application which uses EclipseLink I go exception: > > Exception [EclipseLink-28014] (Eclipse Persistence Services - > 1.1.1.v20090430-r4097): > org.eclipse.persistence.exceptions.EntityManagerSetupException > Exception Description: Exception was thrown while processing property > [eclipselink.session.customizer] with value > [hlaseni.JPAEclipseLinkSessionCustomizer]. > Internal Exception: java.lang.ClassCastException: > hlaseni.JPAEclipseLinkSessionCustomizer cannot be cast to > org.eclipse.persistence.config.SessionCustomizer > > Can anyone help? > > Thanks > > 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="hlaseniPU" transaction-type="RESOURCE_LOCAL"> > > <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider> > > <non-jta-data-source>java:comp/env/jdbc/Hlaseni</non-jta-data-source> > <class>hlaseni.entity.Zmeny</class> > <exclude-unlisted-classes>true</exclude-unlisted-classes> > <properties> > <property name="eclipselink.session.customizer" > value="hlaseni.JPAEclipseLinkSessionCustomizer"/> > <property name="eclipselink.logging.level" value="INFO"/> > </properties> > </persistence-unit> > </persistence> > > CLASS JPAEclipseLinkSessionCustomizer: > package hlaseni; > import javax.naming.Context; > import javax.naming.InitialContext; > import org.eclipse.persistence.config.SessionCustomizer; > import org.eclipse.persistence.sessions.JNDIConnector; > import org.eclipse.persistence.sessions.Session; > > public class JPAEclipseLinkSessionCustomizer implements SessionCustomizer > { > public void customize(Session session) throws Exception { > JNDIConnector connector = null; > Context context = null; > try { > context = new InitialContext(); > if (null != context) { > connector = (JNDIConnector) > session.getLogin().getConnector(); // possible CCE > connector.setLookupType(JNDIConnector.STRING_LOOKUP); > System.out.println("_JPAEclipseLinkSessionCustomizer: > configured " + connector.getName()); > } else { > throw new Exception("_JPAEclipseLinkSessionCustomizer: > Context is null"); > } > } catch (Exception e) { > e.printStackTrace(); > } > } > } > > ----- http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland http://www.eclipse.org/eclipselink/ EclipseLink , http://www.oracle.com/technology/products/ias/toplink/ TopLink Wiki: http://wiki.eclipse.org/EclipseLink EclipseLink , http://wiki.oracle.com/page/TopLink TopLink Forums: http://forums.oracle.com/forums/forum.jspa?forumID=48 TopLink , http://www.nabble.com/EclipseLink-f26430.html EclipseLink Book: http://en.wikibooks.org/wiki/Java_Persistence Java Persistence -- View this message in context: http://www.nabble.com/SessionCustomizer-problem-tp23785377p23963279.html Sent from the EclipseLink - Users mailing list archive at Nabble.com.