mongodb-java-driver 2.13.0 + MongoDB 3.0.7 SCRAM-SHA-1 認証利用時に出現する例外

ERROR org.grails.web.errors.GrailsExceptionResolver - NullPointerException occurred when processing request: [POST] /console/execute - parameters:
autoImportDomains: true
code: TestDomain.all
Stacktrace follows:
java.lang.reflect.InvocationTargetException: null
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_60]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_60]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60]
Caused by: java.lang.NullPointerException: null
	at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936) ~[na:1.8.0_60]
	at com.mongodb.Mongo.getDB(Mongo.java:340) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBPort$SaslAuthenticator.getDatabase(DBPort.java:932) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBPort$SaslAuthenticator.sendSaslStart(DBPort.java:939) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBPort$SaslAuthenticator.authenticate(DBPort.java:902) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBPort.authenticate(DBPort.java:436) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBPort.checkAuth(DBPort.java:447) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBTCPConnector.innerCall(DBTCPConnector.java:293) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:273) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:84) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:66) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBCursor._check(DBCursor.java:498) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBCursor._hasNext(DBCursor.java:621) ~[mongo-java-driver-2.13.3.jar:na]
	at com.mongodb.DBCursor.hasNext(DBCursor.java:657) ~[mongo-java-driver-2.13.3.jar:na]
	... 3 common frames omitted

Java Driver に、username/password を渡しただけで発生する