Hi guys, I'm new to EJB3 so maybe it's a real dumb question but I'm sitting 3
days with this error right now and slowly becoming crazy.
The problem is, JBoss 4.2 can't find my entity classes. As it starts the
persistence I get an error (see bellow).
Here is my persistence.xml:
<persistence-unit name="database" transaction-type="RESOURCE_LOCAL">
<jta-data-source>java:/MySqlDS</jta-data-source>
</persistence-unit>
mysql-ds.xml is OK and JBoss reads it. It's called MySqlDS in JNDI.
So the problem is, when I do:
entityManagerFactory = Persistence.createEntityManagerFactory("database", new
HashMap());
I get this error:
17:36:23,060 INFO [Version] Hibernate EntityManager 3.2.1.GA
17:36:23,083 INFO [Version] Hibernate Annotations 3.2.1.GA
17:36:23,108 INFO [Environment] Hibernate 3.2.4.sp1
17:36:23,117 INFO [Environment] hibernate.properties not found
17:36:23,119 INFO [Environment] Bytecode provider name : javassist
17:36:23,124 INFO [Environment] using JDK 1.4 java.sql.Timestamp handling
17:36:23,436 ERROR [[Faces Servlet]] Servlet.service() for servlet Faces
Servlet threw exception
javax.persistence.PersistenceException: [PersistenceUnit: database] class or
package not found
at
org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1089)
at
org.hibernate.ejb.Ejb3Configuration.addClassesToSessionFactory(Ejb3Configuration.java:886)
at
org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:772)
at
org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:183)
at
org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:240)
at
org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:120)
at
javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51)
at
com.kukinbuk.utils.EntityManagerFilter.doFilter(EntityManagerFilter.java:53)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.ClassNotFoundException:
WEB-INF.classes.com.kukinbuk.hibernate.RecipePicture
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:112)
at
org.hibernate.ejb.Ejb3Configuration.classForName(Ejb3Configuration.java:1005)
at
org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1077)
... 26 more
It happends with every single Class I annotate as @entity. The classes are
deffinitely there in my WAR-Archive und same names... Here an example of such a
class (generated by Eclipse 3.3 using latest Hibernate Tools)
package com.kukinbuk.hibernate;
// default package
// Generated 24.07.2007 19:50:34 by Hibernate Tools 3.1.0.beta5
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
/**
* RecipePicture generated by hbm2java
*/
@Entity
@Table(name = "recipe_picture", catalog = "kukinbuk", uniqueConstraints = {})
public class RecipePicture implements java.io.Serializable {
// Fields
private long id;
private Recipe recipe;
private String picture;
private String title;
// Constructors
/** default constructor */
public RecipePicture() {
}
/** minimal constructor */
public RecipePicture(long id) {
this.id = id;
}
/** full constructor */
public RecipePicture(long id, Recipe recipe, String picture, String
title) {
this.id = id;
this.recipe = recipe;
this.picture = picture;
this.title = title;
}
// Property accessors
@Id
@Column(name = "ID", unique = true, nullable = false, insertable =
true, updatable = true)
public long getId() {
return this.id;
}
public void setId(long id) {
this.id = id;
}
@ManyToOne(cascade = {}, fetch = FetchType.LAZY)
@JoinColumn(name = "RECIPE_ID", unique = false, nullable = true,
insertable = true, updatable = true)
public Recipe getRecipe() {
return this.recipe;
}
public void setRecipe(Recipe recipe) {
this.recipe = recipe;
}
@Column(name = "PICTURE", unique = false, nullable = true, insertable =
true, updatable = true, length = 50)
public String getPicture() {
return this.picture;
}
public void setPicture(String picture) {
this.picture = picture;
}
@Column(name = "TITLE", unique = false, nullable = true, insertable =
true, updatable = true, length = 200)
public String getTitle() {
return this.title;
}
public void setTitle(String title) {
this.title = title;
}
}
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