Error (null) while updating BTC price (coinbase)

[Desrever Nu]

getting this

-  >> 14:47:02.799 c.n.n.pricefeeds.PriceFeedManager 73 WARN  - Error (null) while updating BTC price from null

On startup (poloniex, nbt_btc)

[Benjamin Cordes]

this is related to coinbase and SSL AFAICS

11:49:25.403    ERROR   com.nubits.nubot.pricefeeds.feedservices.CoinbasePriceFeed  javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
11:49:25.404    WARN    com.nubits.nubot.pricefeeds.PriceFeedManager    Error (null) while updating BTC price from null

[Benjamin Cordes]

I've added a unittest for SSL and coinbase and it fails.