Hello friends,
i'm a beginner in hibernate, when i tried an example i got this error. plz help me rectify the problem

Initial SessionFactory creation failed.java.lang.NoClassDefFoundError: org/apach
e/commons/logging/LogFactory
Exception in thread "main" java.lang.ExceptionInInitializerError
at de.gloegl.road2hibernate.HibernateUtil.<clinit>(HibernateUtil.java:22
)
at de.gloegl.road2hibernate.EventManager.main(EventManager.java:11)
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory

at org.hibernate.cfg.Configuration.<clinit>(Configuration.java:110)
at de.gloegl.road2hibernate.HibernateUtil.<clinit>(HibernateUtil.java:14
)
... 1 more


Note:
This is my application path
D:\Program Files\apache-tomcat-5.5.12\webapps\part1

in part1/lib directory i h'v placed all the jar files including hibernate3.jar,commons-httpclient.jar,mysql-connector-java-3.0.16-ga-bin.jar and commons-logging-1.0.4.jar etc.,

set the classpath as

%classpath%;D:\Program Files\Java\jdk1.5.0\lib\tools.jar;D:\Program Files\apache-tomcat-5.5.12\common\lib\servlet-api.jar;D:\Program Files\apache-tomcat-5.5.12\webapps\part1\lib\*.jar;

even though i h'v placed the commons-httpclient.jar in the lib folder as mentioned by some forums i'm getting the same error, any one plz guide
me for my next step in hibernate.

thanks in advance.

Does <dir>\*.jar work in a classpath? I use <dir>, no *.jar, and it works.

Hello friends,
I h'v rectified that error by including the jar file name in my classpath in batch file.
however then i got the following new error, i struggled a lot to solve it myself but i can't, plz help me to solve the problem

Error Notification:


D:\Program Files\apache-tomcat-5.5.12\webapps\part1>java -classpath .\lib\hibernate3.jar;.\lib\commons-logging-1.0.4.jar;.\lib\commons-httpclient.jar;.\lib\log4j-1.2.9.jar;.\lib\jta.jar;.\lib\antlr-2.7.4.jar.\lib\commons-logging-1.0.4.jar;.\lib\hsqldb.jar;.\lib\cglib-full-2.0.2.jar;.\lib\commons-collections-2.1.1.jar;.\lib\dom4j-1.5.2.jar;.\lib\jdbc2_0-stdext.jar;.\bin de.gloegl.road2hibernate.EventManager
INFO - Hibernate 3.0rc1
INFO - hibernate.properties not found
INFO - using CGLIB reflection optimizer
INFO - using JDK 1.4 java.sql.Timestamp handling
INFO - Mapping resource: de/gloegl/road2hibernate/Event.hbm.xml
INFO - Mapping class: de.gloegl.road2hibernate.Event -> events
INFO - processing extends queue
INFO - processing collection mappings
INFO - processing association property references
INFO - processing foreign key constraints
Initial SessionFactory creation failed.org.hibernate.HibernateException: The dia
lect was not set. Set the property hibernate.dialect.
Exception in thread "main" java.lang.ExceptionInInitializerError
at de.gloegl.road2hibernate.HibernateUtil.<clinit>(HibernateUtil.java:27
)
at de.gloegl.road2hibernate.EventManager.main(EventManager.java:12)
Caused by: org.hibernate.HibernateException: The dialect was not set. Set the pr
operty hibernate.dialect.
at org.hibernate.dialect.Dialect.getDialect(Dialect.java:474)
at org.hibernate.dialect.Dialect.getDialect(Dialect.java:496)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:
51)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1497
)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.jav
a:1041)
at de.gloegl.road2hibernate.HibernateUtil.<clinit>(HibernateUtil.java:21
)
... 1 more

This is my hibernate.cfg.xml file

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

<session-factory>
<property name="hibernate.connection.driver_class">org.gjt.mm.mysql.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/test</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password"></property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="show_sql">true</property>
<property name="transaction.factory_class">
org.hibernate.transaction.JDBCTransactionFactory
</property>
<property name="hibernate.cache.provider_class">
org.hibernate.cache.HashtableCacheProvider
</property>
<property name="hibernate.hbm2ddl.auto">update</property>

<mapping resource="de/gloegl/road2hibernate/Event.hbm.xml"/>

</session-factory>

</hibernate-configuration>


Note : i tried even changing dialect to hibernate.dialect and removed hibernate. but problem still the same...
thanks in advance...

In Hibernate 3, hibernate.dialect is the name of the property. However, I see in your stack trace that Dialect.getDialect is called, and that's from way back in HIbernate 2 days. In hibernate 3, DialectFactory.buildDialect is used instead. This suggests to me that you're using Hibernate 2 with an Hibernate 3 config file. Can you check this, and if that's the case, match up your config file and hibernate version?

i'm using Hibernate3.1 only, could u tell me how to know the version of the configuration file, how to create different configuration files for different versions. For verification i attach my java file

package de.gloegl.road2hibernate;

import org.apache.commons.logging.*;
import org.hibernate.*;
import org.hibernate.cfg.*;

public class HibernateUtil {

private static final SessionFactory sessionFactory;

static {
try {

// Create the SessionFactory
Configuration cfg = new Configuration();
cfg.addResource("de/gloegl/road2hibernate/Event.hbm.xml");
cfg.setProperties( System.getProperties() );
sessionFactory = cfg.buildSessionFactory();

} catch (Throwable ex) {
// Make sure you log the exception, as it might be swallowed
System.err.println("Initial SessionFactory creation failed." + ex);
throw new ExceptionInInitializerError(ex);
}
}

public static final ThreadLocal session = new ThreadLocal();

public static Session currentSession() throws HibernateException {
Session s = (Session) session.get();
// Open a new Session, if this Thread has none yet
if (s == null) {
s = sessionFactory.openSession();
session.set(s);
}
return s;
}

public static void closeSession() throws HibernateException {
Session s = (Session) session.get();
session.set(null);
if (s != null)
s.close();
}
}

thanks in advance...

I knew that you are using version 3+ becasue of this line from your config file:
I followed your stack trace through the various versions of Hibernate source code that I have on my local machine, and I note that your stack trace matches more closely with code from v2.1 than code from either v3.0.5 or v3.1.1. I didn't find an exact match, so whatever version you're using isn't on my machine.

The two things I recommend doing are
- ensuring that you're using the Hibernate3 properties (i.e. hibernate.dialect)
- ensuring that Hibernate.jar (or Hibernate2.jar) is removed from your classpath, leaving only HIbernate3.jar.