Hi Ppl,<br><br>   I'm getting a weird problem. I can save a Geometry type through Hibernate but I can't retrieve it.<br><br><blockquote class="webkit-indent-blockquote" style="margin: 0 0 0 40px; border: none; padding: 0px;">
 WKTReader fromText = new WKTReader();<br> Geometry geom = fromText.read("POLYGON((0 0,0 3,3 3,3 0,0 0))");<br>                   Session session = dao.newSession();<br>                   Transaction tx =  dao.beginTransaction(session);<br>                      Query q = session.createQuery("select f from Geometries f");<br>
                        List list = q.list();<br>                 Poligono to = (Poligono) lista.get(0);<br>                        dao.commitTransaction(session, tx);<br>to.setPoli(geom);<br>                        System.out.println(to.getPoli().toString());  // Apears "POLYGON ((0 0, 0 3, 3 3, 3 0, 0 0))"<div>
dao.alterar(to, null, null);</div><div> // I can see via SQL that it saves correctly</div><div><br></div><div>// Now, retrieve</div><div>session = dao.newSession();</div><div>                        tx =  dao.beginTransaction(session);</div>
<div>                      q = session.createQuery("select f from Geometries f");</div><div>                         list = q.list();</div><div>                         to = (Poligono) lista.get(0);</div><div>                   dao.commitTransaction(session, tx);</div><div>                      System.out.println(to.getPoli().toString());</div>
<div> // Get a <b>NullPointerException</b>, because to.getPoli() is null</div></blockquote><div><br><br>The hibernate.cfg.xml<br>...<br>     <property name="hibernate.dialect">org.hibernatespatial.postgis.PostgisDialect</property><br>
     <property name="hibernate.show_sql">true</property><br>        <property name="hibernate.cglib.use_reflection_optimizer">true</property><br>        <property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property><br>
        <property name="connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property><br>...<br><br>The poligono.hbm.xml<br>...<br>  <property name="Poli" type="org.hibernatespatial.GeometryUserType"><br>
            <column name="f0209_poli"  sql-type="geometry"><br>                <comment>Poligono</comment><br>            </column><br>        </property><br>...<br><br>The Poligono.java<br>
...<br>import com.vividsolutions.jts.geom.Geometry;<br>...<br>        private Geometry poli;<br>...<br><br><br>What is wrong?<br><br>Thank you for help.<br><br>Att,<br><br>Paulo Angelo<br></div>