Exception in thread "main" com.mongodb.MongoSecurityException: Exception authenticating MongoCredential{mechanism=SCRAM-SHA-256, userName='bob', source='_cars', password=<hidden>, mechanismProperties=<hidden>}
	at com.mongodb.internal.connection.SaslAuthenticator.wrapException(SaslAuthenticator.java:273)
	at com.mongodb.internal.connection.SaslAuthenticator$1.run(SaslAuthenticator.java:86)
	at com.mongodb.internal.connection.SaslAuthenticator$1.run(SaslAuthenticator.java:57)
	at com.mongodb.internal.connection.SaslAuthenticator.doAsSubject(SaslAuthenticator.java:280)
	at com.mongodb.internal.connection.SaslAuthenticator.authenticate(SaslAuthenticator.java:57)
	at com.mongodb.internal.connection.InternalStreamConnectionInitializer.authenticate(InternalStreamConnectionInitializer.java:205)
	at com.mongodb.internal.connection.InternalStreamConnectionInitializer.finishHandshake(InternalStreamConnectionInitializer.java:79)
	at com.mongodb.internal.connection.InternalStreamConnection.open(InternalStreamConnection.java:170)
	at com.mongodb.internal.connection.UsageTrackingInternalConnection.open(UsageTrackingInternalConnection.java:53)
	at com.mongodb.internal.connection.DefaultConnectionPool$PooledConnection.open(DefaultConnectionPool.java:493)
	at com.mongodb.internal.connection.DefaultConnectionPool$OpenConcurrencyLimiter.openOrGetAvailable(DefaultConnectionPool.java:853)
	at com.mongodb.internal.connection.DefaultConnectionPool$OpenConcurrencyLimiter.openOrGetAvailable(DefaultConnectionPool.java:803)
	at com.mongodb.internal.connection.DefaultConnectionPool.get(DefaultConnectionPool.java:154)
	at com.mongodb.internal.connection.DefaultConnectionPool.get(DefaultConnectionPool.java:144)
	at com.mongodb.internal.connection.DefaultServer.getConnection(DefaultServer.java:92)
	at com.mongodb.internal.binding.ClusterBinding$ClusterBindingConnectionSource.getConnection(ClusterBinding.java:141)
	at com.mongodb.client.internal.ClientSessionBinding$SessionBindingConnectionSource.getConnection(ClientSessionBinding.java:163)
	at com.mongodb.internal.operation.CommandOperationHelper.lambda$executeCommand$4(CommandOperationHelper.java:190)
	at com.mongodb.internal.operation.OperationHelper.withReadConnectionSource(OperationHelper.java:583)
	at com.mongodb.internal.operation.CommandOperationHelper.executeCommand(CommandOperationHelper.java:189)
	at com.mongodb.internal.operation.CommandOperationHelper.executeCommand(CommandOperationHelper.java:184)
	at com.mongodb.internal.operation.CommandReadOperation.execute(CommandReadOperation.java:58)
	at com.mongodb.client.internal.MongoClientDelegate$DelegateOperationExecutor.execute(MongoClientDelegate.java:184)
	at com.mongodb.client.internal.MongoDatabaseImpl.executeCommand(MongoDatabaseImpl.java:195)
	at com.mongodb.client.internal.MongoDatabaseImpl.runCommand(MongoDatabaseImpl.java:164)
	at com.mongodb.client.internal.MongoDatabaseImpl.runCommand(MongoDatabaseImpl.java:159)
	at com.mongodb.client.internal.MongoDatabaseImpl.runCommand(MongoDatabaseImpl.java:149)
	at App.main(App.java:27)
Caused by: com.mongodb.MongoCommandException: Command failed with error 18 (AuthenticationFailed): 'Authentication failed.' on server localhost:<hidden>. The full response is {"ok": 0.0, "errmsg": "Authentication failed.", "code": 18, "codeName": "AuthenticationFailed"}
	at com.mongodb.internal.connection.ProtocolHelper.getCommandFailureException(ProtocolHelper.java:195)
	at com.mongodb.internal.connection.InternalStreamConnection.receiveCommandMessageResponse(InternalStreamConnection.java:398)
	at com.mongodb.internal.connection.InternalStreamConnection.sendAndReceive(InternalStreamConnection.java:319)
	at com.mongodb.internal.connection.CommandHelper.sendAndReceive(CommandHelper.java:88)
	at com.mongodb.internal.connection.CommandHelper.executeCommand(CommandHelper.java:36)
	at com.mongodb.internal.connection.SaslAuthenticator.sendSaslContinue(SaslAuthenticator.java:232)
	at com.mongodb.internal.connection.SaslAuthenticator.access$200(SaslAuthenticator.java:48)
	at com.mongodb.internal.connection.SaslAuthenticator$1.run(SaslAuthenticator.java:75)
	... 26 more