Give error message if some attributes cannot be set into db with chdef command

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@4204 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

perl-xCAT/xCAT/DBobjUtils.pm

@@ -1046,6 +1046,8 @@ sub setobjdefs
 
 					if ( !($objhash{$objname}{$check_attr} =~ /\b$check_value\b/) && !($DBattrvals{$objname}{$check_attr}  =~ /\b$check_value\b/) )
                     {
+                        push @{$rsp->{data}}, "Cannot set the \'$attr_name\' attribute unless \'$check_attr=$check_value\' attribute are set.\n";
+                        xCAT::MsgUtils->message("E", $rsp, $::callback)
                         next;
 
                     }