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 Post subject: HibernateException: /hibernate.cfg.xml not found
PostPosted: Sun Mar 18, 2012 5:19 pm 
Newbie

Joined: Wed Feb 29, 2012 3:18 pm
Posts: 3
Hello,

My company is switching from Custom web and persistence frameworks to the de-facto standards such as Hibernate and Spring. What I am trying to do is to figure out why I am seeing some odd behaviors.

I am getting HibernateException:org.hibernate.HibernateException: /hibernate.cfg.xml not found exception on start up and yet I am able to execute queries. This confuses the heck out of me.

I have hibernate.cfg.xml in my resources folder. Here is the set up

Code:
<?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>

        <!-- Database connection settings -->
        <property name="connection.driver_class">org.postgresql.Driver</property>
        <property name="connection.url">jdbc:postgresql://localhost:5432/postgres/social</property>
        <property name="connection.username">blah</property>
        <property name="connection.password">********</property>

        <!-- JDBC connection pool (use the built-in) -->
        <property name="connection.pool_size">1</property>

        <!-- SQL dialect -->
        <!--property name="dialect">org.hibernate.dialect.HSQLDialect</property-->
        <property name="dialect">org.hibernate.dialect.PostgreSQLDialect</property>

        <!-- Enable Hibernate's automatic session context management -->
        <property name="current_session_context_class">thread</property>

        <!-- Disable the second-level cache  -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>

        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>

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

        <mapping resource="/hbm/users.hbm.xml"/>

    </session-factory>

</hibernate-configuration>


After this first exception I got the next one org.postgresql.util.PSQLException: ERROR: relation "users" does not exist. However when I directly call the class that utilizes mapping everything works! Here is my mapping.

Code:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="com.dima.webapp.model">
   
     <class name="User" table="users" schema="social">
        <id name="userId" column="user_id">
            <generator class="native"/>
        </id>
        <property name="userName" column="user_name"/>           
        <property name="password" column="user_password"/>
        <property name="firstName" column="first_name"/>
        <property name="lastName" column="last_name"/>
        <property name="email" column="email"/>
        <property name="dateCreated" column="date_created"/>
        <property name="active" column="isActive"/>
    </class>
</hibernate-mapping>


and finally here is a method that when called does what it needs to do and returns me a single user.

Quote:
public User getUser(String userName, String password){
User user=new User();
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
session.beginTransaction();
String sql="Select u from User u where user_name=:user_name and user_password=:password";
Query query=session.createQuery(sql);
query.setParameter("user_name", userName);
query.setParameter("password", password);
user=(User) query.uniqueResult();
session.flush();
session.close();
return user;
}



Why do I get exceptions on the start up and why then everything magically starts working? Please help to clarify this "magic".

Thanks.


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