Convert string to numeirc field

Graylog Central (peer support)
1

I need to extract and convert a nom-numeric value to long.

Message is:

Verificant si hi ha 814.078 bytes disponibles a la CAU del FO

I need to extract 814.078 and convert it to long or any numeric format. Up to now:

rule "uploaded size"
when
  starts_with(to_string($message.message), "Verificant si hi ha", true)
then
  let extract = grok("%{BASE10NUM:uploaded_size;long}", to_string($message.message), false);
  set_fields(extract);
end

But I’m getting:

uploaded_size
814.078

uploaded_size_grokfailure
java.lang.NumberFormatException: For input string: "814.078"

Any ideas? It has to be an non-float numeric value (int, long…)

2

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