Hi there, i am trying to parse a .CSV file with a pretty horrible date format. I am using the Date filter: date { match => [ "HelperDate", "dMMyyyy", "ddMMyyyy" ] } Some example data: 6112019 -> "_dateparsefailure" 1122019 -> "_dateparsefailure" 8032019 -> "_dateparsefailu…

I simulated your date filter and the dates with single digit also fails for me. You can implemente your workaround, add a 0 if the date has 7 digits, using a conditional and some mutate filters. The following config will do: if [HelperDate] =~ /^[0-9]{7}$/ { mutate { rename => { "Help…

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"_dateparsefailure"

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Badger July 3, 2021, 4:23pm 3

See here. Even for "d" or "H" the parser will consume two digits if they are available, and there are no months with 61 days, so it fails to parse 6112019.

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