diff --git a/src/client/connector.rs b/src/client/connector.rs
index 61dda22e..13539b1e 100644
--- a/src/client/connector.rs
+++ b/src/client/connector.rs
@@ -5,7 +5,7 @@ use std::{fmt, io, mem, time};
 
 use actix::resolver::{Connect as ResolveConnect, Connector, ConnectorError};
 use actix::{
-    fut, Actor, ActorFuture, ActorResponse, Addr, AsyncContext, Context,
+    fut, Actor, ActorContext, ActorFuture, ActorResponse, Addr, AsyncContext, Context,
     ContextFutureSpawner, Handler, Message, Recipient, StreamHandler, Supervised,
     SystemService, WrapFuture,
 };
@@ -198,7 +198,7 @@ pub struct ClientConnector {
     acq_tx: mpsc::UnboundedSender<AcquiredConnOperation>,
     acq_rx: Option<mpsc::UnboundedReceiver<AcquiredConnOperation>>,
 
-    resolver: Addr<Connector>,
+    resolver: Option<Addr<Connector>>,
     conn_lifetime: Duration,
     conn_keep_alive: Duration,
     limit: usize,
@@ -216,6 +216,9 @@ impl Actor for ClientConnector {
     type Context = Context<ClientConnector>;
 
     fn started(&mut self, ctx: &mut Self::Context) {
+        if self.resolver.is_none() {
+            self.resolver = Some(Connector::from_registry())
+        }
         self.collect_periodic(ctx);
         ctx.add_stream(self.acq_rx.take().unwrap());
         ctx.spawn(Maintenance);
@@ -242,7 +245,7 @@ impl Default for ClientConnector {
                 subscriber: None,
                 acq_tx: tx,
                 acq_rx: Some(rx),
-                resolver: Connector::from_registry(),
+                resolver: None,
                 connector: builder.build().unwrap(),
                 conn_lifetime: Duration::from_secs(75),
                 conn_keep_alive: Duration::from_secs(15),
@@ -266,7 +269,7 @@ impl Default for ClientConnector {
                 subscriber: None,
                 acq_tx: tx,
                 acq_rx: Some(rx),
-                resolver: Connector::from_registry(),
+                resolver: None,
                 conn_lifetime: Duration::from_secs(75),
                 conn_keep_alive: Duration::from_secs(15),
                 limit: 100,
@@ -333,7 +336,7 @@ impl ClientConnector {
             subscriber: None,
             acq_tx: tx,
             acq_rx: Some(rx),
-            resolver: Connector::from_registry(),
+            resolver: None,
             conn_lifetime: Duration::from_secs(75),
             conn_keep_alive: Duration::from_secs(15),
             limit: 100,
@@ -395,7 +398,7 @@ impl ClientConnector {
 
     /// Use custom resolver actor
     pub fn resolver(mut self, addr: Addr<Connector>) -> Self {
-        self.resolver = addr;
+        self.resolver = Some(addr);
         self
     }
 
@@ -667,6 +670,8 @@ impl Handler<Connect> for ClientConnector {
         {
             ActorResponse::async(
                 self.resolver
+                    .as_ref()
+                    .unwrap()
                     .send(
                         ResolveConnect::host_and_port(&conn.0.host, port)
                             .timeout(conn_timeout),
@@ -764,16 +769,19 @@ impl Handler<Connect> for ClientConnector {
 }
 
 impl StreamHandler<AcquiredConnOperation, ()> for ClientConnector {
-    fn handle(&mut self, msg: AcquiredConnOperation, _: &mut Context<Self>) {
+    fn handle(
+        &mut self, msg: Result<Option<AcquiredConnOperation>, ()>,
+        ctx: &mut Context<Self>,
+    ) {
         let now = Instant::now();
 
         match msg {
-            AcquiredConnOperation::Close(conn) => {
+            Ok(Some(AcquiredConnOperation::Close(conn))) => {
                 self.release_key(&conn.key);
                 self.to_close.push(conn);
                 self.stats.closed += 1;
             }
-            AcquiredConnOperation::Release(conn) => {
+            Ok(Some(AcquiredConnOperation::Release(conn))) => {
                 self.release_key(&conn.key);
 
                 // check connection lifetime and the return to available pool
@@ -784,9 +792,10 @@ impl StreamHandler<AcquiredConnOperation, ()> for ClientConnector {
                         .push_back(Conn(Instant::now(), conn));
                 }
             }
-            AcquiredConnOperation::ReleaseKey(key) => {
+            Ok(Some(AcquiredConnOperation::ReleaseKey(key))) => {
                 self.release_key(&key);
             }
+            _ => ctx.stop(),
         }
 
         // check keep-alive
diff --git a/src/server/srv.rs b/src/server/srv.rs
index 24874f15..21722c33 100644
--- a/src/server/srv.rs
+++ b/src/server/srv.rs
@@ -4,8 +4,8 @@ use std::time::Duration;
 use std::{io, net, thread};
 
 use actix::{
-    fut, msgs, signal, Actor, ActorFuture, Addr, Arbiter, AsyncContext, Context,
-    ContextFutureSpawner, Handler, Response, StreamHandler, System, WrapFuture,
+    fut, msgs, signal, Actor, ActorContext, ActorFuture, Addr, Arbiter, AsyncContext,
+    Context, ContextFutureSpawner, Handler, Response, StreamHandler, System, WrapFuture,
 };
 
 use futures::sync::mpsc;
@@ -626,10 +626,11 @@ impl<H: IntoHttpHandler> Handler<signal::Signal> for HttpServer<H> {
 
 /// Commands from accept threads
 impl<H: IntoHttpHandler> StreamHandler<ServerCommand, ()> for HttpServer<H> {
-    fn finished(&mut self, _: &mut Context<Self>) {}
-    fn handle(&mut self, msg: ServerCommand, _: &mut Context<Self>) {
+    fn handle(
+        &mut self, msg: Result<Option<ServerCommand>, ()>, ctx: &mut Context<Self>,
+    ) {
         match msg {
-            ServerCommand::WorkerDied(idx, socks) => {
+            Ok(Some(ServerCommand::WorkerDied(idx, socks))) => {
                 let mut found = false;
                 for i in 0..self.workers.len() {
                     if self.workers[i].0 == idx {
@@ -675,6 +676,7 @@ impl<H: IntoHttpHandler> StreamHandler<ServerCommand, ()> for HttpServer<H> {
                     self.workers.push((new_idx, addr));
                 }
             }
+            _ => ctx.stop(),
         }
     }
 }
diff --git a/src/ws/mod.rs b/src/ws/mod.rs
index 558ecb51..c68cf300 100644
--- a/src/ws/mod.rs
+++ b/src/ws/mod.rs
@@ -25,12 +25,12 @@
 //!
 //! // Handler for ws::Message messages
 //! impl StreamHandler<ws::Message, ws::ProtocolError> for Ws {
-//!     fn handle(&mut self, msg: ws::Message, ctx: &mut Self::Context) {
+//!     fn handle(&mut self, msg: Result<Option<ws::Message>, ws::ProtocolError>, ctx: &mut Self::Context) {
 //!         match msg {
-//!             ws::Message::Ping(msg) => ctx.pong(&msg),
-//!             ws::Message::Text(text) => ctx.text(text),
-//!             ws::Message::Binary(bin) => ctx.binary(bin),
-//!             _ => (),
+//!             Ok(Some(ws::Message::Ping(msg))) => ctx.pong(&msg),
+//!             Ok(Some(ws::Message::Text(text))) => ctx.text(text),
+//!             Ok(Some(ws::Message::Binary(bin))) => ctx.binary(bin),
+//!             _ => ctx.stop(),
 //!         }
 //!     }
 //! }
diff --git a/tests/test_ws.rs b/tests/test_ws.rs
index dd65d4a5..eeeffb7a 100644
--- a/tests/test_ws.rs
+++ b/tests/test_ws.rs
@@ -23,13 +23,16 @@ impl Actor for Ws {
 }
 
 impl StreamHandler<ws::Message, ws::ProtocolError> for Ws {
-    fn handle(&mut self, msg: ws::Message, ctx: &mut Self::Context) {
+    fn handle(
+        &mut self, msg: Result<Option<ws::Message>, ws::ProtocolError>,
+        ctx: &mut Self::Context,
+    ) {
         match msg {
-            ws::Message::Ping(msg) => ctx.pong(&msg),
-            ws::Message::Text(text) => ctx.text(text),
-            ws::Message::Binary(bin) => ctx.binary(bin),
-            ws::Message::Close(reason) => ctx.close(reason),
-            _ => (),
+            Ok(Some(ws::Message::Ping(msg))) => ctx.pong(&msg),
+            Ok(Some(ws::Message::Text(text))) => ctx.text(text),
+            Ok(Some(ws::Message::Binary(bin))) => ctx.binary(bin),
+            Ok(Some(ws::Message::Close(reason))) => ctx.close(reason),
+            _ => ctx.stop(),
         }
     }
 }
@@ -153,13 +156,16 @@ impl Ws2 {
 }
 
 impl StreamHandler<ws::Message, ws::ProtocolError> for Ws2 {
-    fn handle(&mut self, msg: ws::Message, ctx: &mut Self::Context) {
+    fn handle(
+        &mut self, msg: Result<Option<ws::Message>, ws::ProtocolError>,
+        ctx: &mut Self::Context,
+    ) {
         match msg {
-            ws::Message::Ping(msg) => ctx.pong(&msg),
-            ws::Message::Text(text) => ctx.text(text),
-            ws::Message::Binary(bin) => ctx.binary(bin),
-            ws::Message::Close(reason) => ctx.close(reason),
-            _ => (),
+            Ok(Some(ws::Message::Ping(msg))) => ctx.pong(&msg),
+            Ok(Some(ws::Message::Text(text))) => ctx.text(text),
+            Ok(Some(ws::Message::Binary(bin))) => ctx.binary(bin),
+            Ok(Some(ws::Message::Close(reason))) => ctx.close(reason),
+            _ => ctx.stop(),
         }
     }
 }