Use system trust store if serverSslCert is not set #83
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Xiphoseer
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Currently, the R2DBC connector seems to differ from the JDBC connector in that it can't enable TLS without explicitly specifying a
serverSslCertor picking the non-production ready trust mode, by explicitly throwing an error in this code path.The same way JDBC does it, I think it's reasonable to interpret this as "defer to PKI" or more specifically "defer to the system truststore" instead. The netty
SslContextBuildersays to passnullfor this (which is slightly more explicit than just not calling atrustManagerfunction at all in that case).See: https://netty.io/4.1/api/io/netty/handler/ssl/SslContextBuilder.html#trustManager-javax.net.ssl.TrustManagerFactory-