Messages in jsp

Question

catch (aException de)
                              messages.add(ActionMessages.GLOBAL_MESSAGE,new
                                                            ActionMessage("ary"));
          catch (Exception e)
               // Report the error using the appropriate name and ID.
               messages.add(ActionMessages.GLOBAL_MESSAGE,new
                                                            ActionMessage("cry"));
          if (!messages.isEmpty())     
               saveMessages(request,messages);
jsp code in error page
<bean:write key="ary">
<bean:write key="cry">
getting both message at a time while I want one message at a time depending on exception.
also tried logic present but no avail

Answer 1

try this:
<logic:messagesPresent message="true">          <html:messages id="msg" message="true">
     <bean:write name="msg"/>
     </html:messages>
</logic:messagesPresent>