I'm new in using logstash (6.3.2) to parse log data, I want to parse datas in json fmt from logs file to txt files. The steps of input and filter are ok, but there's some problem with output, below is the output section from my code snippet: output { if [channel] == "brsdk" { file { …

NerdSec (Nachiket) August 14, 2018, 11:18am 2

Hi Richard,

Have you considered checking if the field exists in the filter section and then taking appropriate action on it?

So, you can add a value to the field if it does not exist.

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Logstash output to file, from JSON field not exist / field is empty, about output format