Silverpeas » Silverpeas Core

Dans un formulaire si je crée un item de type JDBC
Si dans le select j'ai la source suivante : select labelen from mgic_site order by labelen
J'ai une erreur java suivante:
13/09/17-15:53:40,984 - ERROR : util.MSG_EXCEPTION_NOT_EMBEDED | MODULE : util.HomePageUtil.traceException() | Exception non encapsul�e dans une Silverpeas...Exception (EXCEPTION : java.lang.NullPointerException
at com.silverpeas.form.displayers.JdbcFieldDisplayer.getListboxFragment(JdbcFieldDisplayer.java:282)
at com.silverpeas.form.displayers.JdbcFieldDisplayer.display(JdbcFieldDisplayer.java:152)
at com.silverpeas.form.displayers.JdbcFieldDisplayer.display(JdbcFieldDisplayer.java:51)
at com.silverpeas.form.form.XmlForm.display(XmlForm.java:189)
at com.silverpeas.form.form.XmlForm.display(XmlForm.java:268)
at org.apache.jsp.templateDesigner.jsp.template_jsp._jspService(template_jsp.java:308)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:326)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:253)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:734)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:541)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:479)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:407)

Si je remplace par : select concat (labelen) from mgic_site order by labelen

• Ca fonctionne

Pourquoi ?