I try to generate schema using hibernate schema export, everything looks fine. But I got the following error, and an empty ddl file genarated:


Hibernate version:3.1.2


Name and version of the database you are using:MySQL 5.0.18

hibernate.config.xml:
<?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="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost:3306/ts</property>
<property name="connection.username">user</property>
<property name="connection.password">password</property>

<property name="hibernate.connection.datasource">jdbc/dbs</property>
<property name="hibernate.transaction.factory_class">org.hibernate.transaction.JTATransactionFactory</property>
<property name="hibernate.transaction.manager_lookup_class">org.hibernate.transaction.JBossTransactionManagerLookup</property>

<property name="hibernate.current_session_context_class">org.hibernate.context.JTASessionContext</property>
<property name="show_sql">true</property>
<property name="use_outer_join">true</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>

<property name="jdbc.user_scrollable_resultset">false</property>
<property name="jdbc.use_streams_for_binary">true</property>
<property name="jdbc.batch_size">0</property>

<!-- Drop and re-create the database schema on startup
<property name="hbm2ddl.auto">create</property>
-->

<!-- mapping files -->

<mapping resource="com/info/beans/ParentTree.hbm.xml" />

<mapping resource="com/info/beans/ChildTree.hbm.xml" />

</session-factory>
</hibernate-configuration>




Ant target:
<target name="schemaexport" depends="build">
<taskdef name="schemaexport"
classname="org.hibernate.tool.hbm2ddl.SchemaExportTask"
classpathref="libraries"/>

<schemaexport
properties="hibernate.properties"
quiet="no"
text="no"
drop="no"
delimiter=";"
output="dbs.ddl">
<fileset dir="${build}">
<include name="**/*.hbm.xml"/>
</fileset>
</schemaexport>
</target>



stack trace from ant -debug:
Class java.lang.Error loaded from parent loader (parentFirst)
Couldn't load ResourceStream for import.sql
Couldn't load ResourceStream for import.sql
....................
Class org.hibernate.connection.DriverManagerConnectionProvider loaded from ant loader (parentFirst)
Finding class com.mysql.jdbc.Driver
Finding class com.mysql.jdbc.Driver
..............
Class org.apache.log4j.spi.VectorWriter loaded from ant loader (parentFirst)

BUILD SUCCESSFUL
Total time: 2 seconds


thanks,