"Unable to load type [" + name + "] from class [" + classname + "] due to the following error: " + e.toString();
"Unable to load type [" + name + "] from class [" + classname + "].";
    private void loadTypeDef( ClassLoader loader, ComponentHelper helper, String classname, String name )      throws BuildException    {        if( getProject().getDataTypeDefinitions().get( name ) != null )        {            return;        }        try        {            Class c = loader.loadClass( classname );            helper.addDataTypeDefinition( name, c );            log( "installed typedef: " + name, Project.MSG_VERBOSE );        }        catch( Throwable e )        {             final String error =               "Unable to load type [" + name + "] from class [" + classname               + "] due to the following error: "               + e.toString();             throw new BuildException( error, e, getLocation() );        }    }