Error after processing foreign key and logging problem

moyosa · **Joined:** Sat Mar 19, 2005 4:59 am **Posts:** 1

I switched from hibernate 2 to 3. With 2 I used Spring framework to sort out all sorts of stuff for me, but now i want to do it myself with hibernate 3 .

I generated hbm.xml with xDoclet.

Everytime I'm trying to get my SessionFactory:

INFO: processing foreign key constraints
Error: An unknown exception occurred while creating an instance of type com.thefactore.phq.service.ProjectService

It not much info. But I can't seem to get my debug mode on. I placed log4j.properties in classpatch nect to hibernate.cfg.xml.

So i anybody can help?

Hibernate version:
Hibernate 3

Mapping documents:

Code:

<!DOCTYPE hibernate-configuration PUBLIC 
      "-//Hibernate/Hibernate Configuration DTD//EN" 
      "c://dtd/hibernate-configuration-2.0.dtd">
      
   <hibernate-configuration>
      <session-factory name="java:/hibernate/HibernateFactory">
         <property name="hibernate.show_sql">true</property>
         <property name="hibernate.connection.driver_class">net.sourceforge.jtds.jdbc.Driver</property>
         <property name="hibernate.connection.url">jdbc:jtds:sqlserver://localhost/***</property>
         <property name="hibernate.connection.username">**</property>
         <property name="hibernate.connection.password">**</property>
         <property name="dialect">net.sf.hibernate.dialect.SQLServerDialect</property>
         <mapping resource="com/thefactore/phq/vo/Project.hbm.xml"/>
      </session-factory>
   </hibernate-configuration>

Code:

<hibernate-mapping
>
    <class
        name="com.thefactore.phq.vo.Project"
        table="t_jlist_project "
        lazy="true"
        dynamic-update="false"
        dynamic-insert="false"
        select-before-update="false"
        optimistic-lock="version"
    >
        <cache usage="read-write" />

        <id
            name="projectId"
            column="prj_pk"
            type="java.lang.Integer"
        >
            <generator class="identity">
              <!--  
                  To add non XDoclet generator parameters, create a file named 
                  hibernate-generator-params-Project.xml 
                  containing the additional parameters and place it in your merge dir. 
              --> 
            </generator>
        </id>

        <property
            name="name"
            type="java.lang.String"
            update="true"
            insert="true"
            access="property"
            column="prj_name"
        />

        <property
            name="active"
            type="boolean"
            update="true"
            insert="true"
            access="property"
            column="prj_active"
        />

        <property
            name="clt"
            type="java.lang.Integer"
            update="true"
            insert="true"
            access="property"
            column="prj_clt"
        />

        <property
            name="datestart"
            type="java.util.Date"
            update="true"
            insert="true"
            access="property"
            column="prj_datestart"
        />

        <property
            name="manager"
            type="java.lang.Integer"
            update="true"
            insert="true"
            access="property"
            column="prj_manager"
        />

        <property
            name="website"
            type="java.lang.String"
            update="true"
            insert="true"
            access="property"
            column="prj_website"
        />

        <!--
            To add non XDoclet property mappings, create a file named
                hibernate-properties-Project.xml
            containing the additional properties and place it in your merge dir.
        -->

    </class>

</hibernate-mapping>

Name and version of the database you are using:
I'm using MSDE

The generated SQL (show_sql=true):

Debug level Hibernate log excerpt:

Code:

egin
09:34:32,390  INFO ProjectService:23 - ProjectService() - Getting objectDAO
19-mrt-2005 9:34:32 org.hibernate.cfg.Configuration configure
INFO: configuring from resource: /hibernate.cfg.xml
19-mrt-2005 9:34:32 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: Configuration resource: /hibernate.cfg.xml
19-mrt-2005 9:34:32 org.hibernate.cfg.Configuration addResource
INFO: Mapping resource: com/thefactore/phq/vo/Project.hbm.xml
19-mrt-2005 9:34:32 org.hibernate.cfg.HbmBinder bindRootPersistentClassCommonValues
INFO: Mapping class: com.thefactore.phq.vo.Project -> t_jlist_project 
19-mrt-2005 9:34:32 org.hibernate.cfg.Configuration doConfigure
INFO: Configured SessionFactory: java:/hibernate/HibernateFactory
19-mrt-2005 9:34:32 org.hibernate.cfg.Configuration secondPassCompile
INFO: processing extends queue
19-mrt-2005 9:34:32 org.hibernate.cfg.Configuration secondPassCompile
INFO: processing collection mappings
19-mrt-2005 9:34:32 org.hibernate.cfg.Configuration secondPassCompile
INFO: processing association property references
19-mrt-2005 9:34:32 org.hibernate.cfg.Configuration secondPassCompile
INFO: processing foreign key constraints
Error: An unknown exception occurred while creating an instance of type com.thefactore.phq.service.ProjectService

[/code]

emmanuel · **Posted:** Fri Mar 25, 2005 12:36 pm

USe your debugguer. Thats proably the mlost efficient way to find why your class cannot be instanciated.