State code: -3; Message: Timed out after 30000 ms while waiting to connect. Client view of cluster state is {type=UNKNOWN, servers=[{address=<http://docdb-2021-05-05-23-22-09.cluster-XXXXXXX.docdb.amazonaws.com:27017|docdb-2021-05-05-23-22-09.cluster-XXXXXXX.docdb.amazonaws.com:27017>, type=UNKNOWN, state=CONNECTING , exception={com.mongodb.MongoSocketWriteException: Exception sending message}, caused by {<http://javax.net|javax.net>.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target }, caused by {sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target}, caused by {sun.security.provider.certpath. SunCertPathBuilderException: unable to find valid certification path to requested target}}]