I’m just evaluating Graylog as a centralized logging service for my organisation. After having installed it, I’m trying to perform some queries. fior example, trying to execute the following
timestamp: 2020-01-31 10:24:06.000
I get this result:
failed to parse date field  with format [yyyy-MM-dd HH:mm:ss.SSS]
However the given timestamp satisfies the mention format. Very confusing ! Here is a screen shot:
Many thanks id advance.