I have an application that sends JSON messages to logstash. The JSON looks like this: { "status": "Successful", "hosts": { "server.example.com": { "ok": 2, "failed": "false" }, "server2.example.com": { "ok": 1, "failed":…

Field name [server.example.com] cannot contain '.'

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Field name [server.example.com] cannot contain '.'