It appears that our lab firewall is blocking calls to MongoDB:

2021-05-03 00:23:58,081 INFO  [org.mon.dri.cluster] (cluster-ClusterId{value='608f429d270b437822f1fed1', description='null'}-dbaas-cluster1-shard-00-02.h38mo.mongodb.net:27017) Exception in monitor thread while connecting to server dbaas-cluster1-shard-00-02.h38mo.mongodb.net:27017: com.mongodb.MongoSocketReadException: Prematurely reached end of stream

at com.mongodb.internal.connection.AsynchronousChannelStream$BasicCompletionHandler.completed(AsynchronousChannelStream.java:247)

at com.mongodb.internal.connection.AsynchronousChannelStream$BasicCompletionHandler.completed(AsynchronousChannelStream.java:233)

at com.mongodb.internal.connection.tlschannel.async.AsynchronousTlsChannel.lambda$read$4(AsynchronousTlsChannel.java:122)

at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)

at java.base/java.lang.Thread.run(Thread.java:829)