Ant Task and UserTypes

Skovich · **Joined:** Sun Jan 23, 2005 1:39 am **Posts:** 2

I am having an unusual problem with hibernate-tools-3.0.0.0alpha4a and UserType generation.

I set up the hbm2java task in my ant file as follows:

Code:

    <target name="hbm2java"
       description="Creates model POJOs in build from hbm.xml files" depends="compile-src">
          <taskdef 
           name="hibernatetool" 
           classname="org.hibernate.tool.ant.HibernateToolTask" 
           classpathref="hibernatetools.path"/>
       
           <hibernatetool destdir="./build"> 
               <classpath>
                  <path location="./bin"/>-->
              </classpath>
             <configuration> 
              <fileset dir="./mappings">  <!-- A configuration can take a configurationfile and/or a fileset of hbm.xml's -->
                <include name="**/*.hbm.xml"/> 
              </fileset>
             </configuration> 

             <hbm2java generics="false"/> <!-- generate default .java files -->
            </hibernatetool>
    </target>

Note that the task calls compile-src, which compiles the UserType files into the directory bin before attempting to do any generation. Also note that I have explicitly turned off generics mode.

Somehow, I get the following exception:

Code:

[hibernatetool] (hbm2x.Cfg2JavaTool                  574 ) 
Could not resolve type without exception for org.hibernate.mapping.Property(country) Value: org.hibernate.mapping.SimpleValue
([org.hibernate.mapping.Column(countryid)]) Type: null. 
Falling back to typename: com.acme.persistence.model.CountryCodeUserType
Finding class com.acme.persistence.model.CountryCodeUserType
Finding class com.acme.persistence.model.CountryCodeUserType

If I'm correct, the exception is being thrown from line 574 (commented) in org.hibernate.tool.hbm2x.Cfg2JavaTool, which is actually within a block of code that seems like it should only be executed when
generics mode is on:

Code:

if (useGenerics) {
             if (value instanceof Collection) {
                Collection collection = (Collection) value;
                OneToMany oneToMany = (OneToMany) collection.getElement();
                String entityType = oneToMany.getAssociatedClass().getClassName(); //!! Line 574
                
                return toName(p.getType().getReturnedClass() ) + "<" + entityType + ">";
             }
           }

Maybe my investigation has missed something. Anyhow, any help is deeply appreciated.

max · **Posted:** Fri Jul 08, 2005 5:01 am

i think you would get this no matter if you had generics or not.

Anyhow, the issue is due to a classloader issue which should be fixed in the latest cvs.

but anyhow, it should all work if you put the classpath of the usertype in the hibernatetool classpath. (which is a workaround)