title: why i can't insert null value in jDeveloper adf?
body: <p>in this case i'll insert null/empty value to my DB with jDev and used application module..</p>
  
  <p>this is the code in bean :</p>
  
  <pre><code>public void insertM_LLOYDAGENT(ActionEvent actionEvent) {
      // Add event code here...
      UnderwritingAppModuleImpl am = (UnderwritingAppModuleImpl)ADFUtil.getApplicationModule("UnderwritingAppModuleDataControl");
  
      try{
          address = noteAddress.getValue().toString();
          city = noteCity.getValue().toString();
          contact = noteContact.getValue().toString();
          country = noteCountry.getValue().toString();
          name = noteName.getValue().toString();
          type = typeOfLloyd.getValue().toString();
          am.insertMLLOYDAGENT(address, city, contact, country, name, type);
      }
      catch(Exception ex){
          am.insertMLLOYDAGENT(address, city, contact, country, name, type);
      }
  }
  </code></pre>
  
  <p>and the code in AppModuleImpl :</p>
  
  <pre><code>     public void insertMLLOYDAGENT(String noteAddress, String noteCity, String noteContact, String noteCountry, String noteName, String noteType){
      try {
          System.out.println("tes ------- address = "+noteAddress+" city = "+noteCity+" contact = "+noteContact+" country = "+noteCountry+" name = "+noteName+" type = "+noteType);
          MLloydagentViewImpl vo=(MLloydagentViewImpl)getMLloydagentView1();
          MLloydagentViewRowImpl row=(MLloydagentViewRowImpl)vo.getCurrentRow();
          row.setLloydName(noteName);
          row.setLloydAddress(noteAddress);
          row.setLloydCity(noteCity);
          row.setLloydContact(noteContact);
          row.setLloydCountry(noteCountry);
          row.setTypeOfLloyd(noteType);
          row.getDBTransaction().commit();
          vo.executeQuery();
      } catch (JboException ex) {
          throw ex;
      }
  }
  </code></pre>
  
  <p>why the new row not commited?
  please help me.
  thanks !</p>