title: org.hibernate.exception.GenericJDBCException: could not load an entity
body: <p>During the run time of my code it throws the exception-</p>
  
  <pre><code>org.hibernate.exception.GenericJDBCException: could not load an entity: [com.expo.esf.model.InvoiceHouse#15566]
  2013-05-27 15:41:12,852  WARN hibernate.util.JDBCExceptionReporter:77   - SQL Error: 600, SQLState: 60000
  2013-05-27 15:41:12,881 ERROR hibernate.util.JDBCExceptionReporter:78   - ORA-00600: internal error code, arguments: [qctstc2o1], [1], [0], [0], [1], [0], [0], []
  </code></pre>
  
  <p>I don't understand the problem. My model class seems to be perfect.</p>
  
  <p>This is my dispatcher-servlet.xml file-</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  
  &lt;bean id="jspViewResolver"
      class="org.springframework.web.servlet.view.InternalResourceViewResolver"&gt;
      &lt;property name="viewClass"
          value="org.springframework.web.servlet.view.JstlView" /&gt;
      &lt;property name="prefix" value="/WEB-INF/view/" /&gt;
      &lt;property name="suffix" value=".jsp" /&gt;
  &lt;/bean&gt;
  
  
  
  &lt;!-- max upload size in bytes --&gt;
    &lt;bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"&gt;
         &lt;property name="maxUploadSize" value="10000000"/&gt;
    &lt;/bean&gt;
  </code></pre>
  
  <p></p>