After configuring databricks delta lake destination when I am trying to validate my pipeline, the following error I am receiving: 

DELTA_LAKE_01 - Could not create SQL DataSource: com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: Simba]]SparkJDBCDriver](500593) Communication link failure. Failed to connect to server. Reason: javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target.