Version Nagios Core 4.0.2 Error-No pattern match in function _parse(\n )...

...Error on logfile /usr/local/pnp4nagios/var/perfdata.log en VERSIO 4.0.2 - 

2014-01-08 11:48:31 [7489] [2] Datatype set to 'SERVICEPERFDATA' 
2014-01-08 11:48:31 [7489] [1] Found Performance Data for localhost / Current_Users (users=3;20;50;0\n) 
2014-01-08 11:48:31 [7489] [2] No pattern match in function _parse(\n )
2014-01-08 11:48:31 [7489] [1] Invalid Perfdata detected 
2014-01-08 11:48:31 [7489] [1] Gearman job end (runtime 0.001056s) ...
2014-01-08 11:48:42 [7489] [1] Gearman Worker Job start
2014-01-08 11:48:42 [7489] [2] Datatype set to 'HOSTPERFDATA' 
2014-01-08 11:48:42 [7489] [1] Found Performance Data for centos64MysqlT / _HOST_ (rta=0.629000ms;3000.000000;5000.000000;0.000000 pl=0%;80;100;0) 
2014-01-08 11:48:42 [7489] [2] data2rrd called
2014-01-08 11:48:42 [7489] [2] RRDs::update /usr/local/pnp4nagios/var/perfdata/centos64MysqlT/_HOST_.rrd 1389178122:0.629000:0
2014-01-08 11:48:42 [7489] [2] /usr/local/pnp4nagios/var/perfdata/centos64MysqlT/_HOST_.rrd updated
2014-01-08 11:48:42 [7489] [1] Gearman job end (runtime 0.002394s) ...

Editem el fitxer /usr/local/pnp4nagios/libexec/process_perfdata.pl sobre la linea 312 afegim:
Add to line 319 "$NAGIOS{PERFDATA} =~ s/\\n//g;" to avoid the "No pattern match in function _parse(\n ) "
and get correct perfdata.

				$NAGIOS{PERFDATA} =~ s/,/./g;
   			 	$NAGIOS{PERFDATA} =~ s/\s+=/=/g;
  			  	$NAGIOS{PERFDATA} =~ s/=\s+/=/g;
 Add this line -->	$NAGIOS{PERFDATA} =~ s/\\n//g;
    				$NAGIOS{PERFDATA} .= " ";

 - solved