Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.

Thu Jun 21 12:18:36 UTC 2018
There was an unexpected error (type=Internal Server Error, status=500).
Timed out after 30000 ms while waiting to connect. Client view of cluster state is {type=UNKNOWN, servers=[{address=172.15.0.8:27017, type=UNKNOWN, state=CONNECTING, exception={com.mongodb.MongoSocketOpenException: Exception opening socket}, caused by {java.net.NoRouteToHostException: No route to host (Host unreachable)}}]; nested exception is com.mongodb.MongoTimeoutException: Timed out after 30000 ms while waiting to connect. Client view of cluster state is {type=UNKNOWN, servers=[{address=172.15.0.8:27017, type=UNKNOWN, state=CONNECTING, exception={com.mongodb.MongoSocketOpenException: Exception opening socket}, caused by {java.net.NoRouteToHostException: No route to host (Host unreachable)}}]