Can not connect to InfluxDB over HTTPS

Getting this error upon startup of ruuvicollector

org.influxdb.InfluxDBIOException: PKIX path building failed: unable to find valid certification path to requested target

I have tried everything… Installing certs, updating java, etc…
Grafana has no trouble connecting to InfluxDB via https…

Any ideas? All help greatly appreciated!

The error indicates that Java is unable to verify the authenticity and validity of the certificate, which means you are probably using a self-signed cert, which Java (rightfully) doesn’t trust by default. In this case you can manually trust the certificate by adding it to the truststore. The exact steps vary a bit depending on which Java version you use and how you generated the certificate, but in general the whole process is something like described here: