com.mongodb.MongoSocketReadException: Prematurely reached end of stream
	at com.mongodb.connection.SocketStream.read(SocketStream.java:87) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.InternalStreamConnection.receiveResponseBuffers(InternalStreamConnection.java:547) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.InternalStreamConnection.receiveMessage(InternalStreamConnection.java:418) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.InternalStreamConnection.receiveCommandMessageResponse(InternalStreamConnection.java:290) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.InternalStreamConnection.sendAndReceive(InternalStreamConnection.java:255) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.UsageTrackingInternalConnection.sendAndReceive(UsageTrackingInternalConnection.java:98) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.DefaultConnectionPool$PooledConnection.sendAndReceive(DefaultConnectionPool.java:441) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.CommandProtocolImpl.execute(CommandProtocolImpl.java:80) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.DefaultServer$DefaultServerProtocolExecutor.execute(DefaultServer.java:189) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:264) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.DefaultServerConnection.command(DefaultServerConnection.java:126) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.connection.DefaultServerConnection.command(DefaultServerConnection.java:118) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:226) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:217) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:120) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.FindOperation$1.call(FindOperation.java:717) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.FindOperation$1.call(FindOperation.java:711) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.OperationHelper.withConnectionSource(OperationHelper.java:471) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.OperationHelper.withConnection(OperationHelper.java:415) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.FindOperation.execute(FindOperation.java:711) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.operation.FindOperation.execute(FindOperation.java:83) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.Mongo$3.execute(Mongo.java:826) ~[mongo-java-driver-3.6.4.jar:na]
	at com.mongodb.FindIterableImpl.first(FindIterableImpl.java:193) ~[mongo-java-driver-3.6.4.jar:na]