Improved logging and toString() implementations.

jetty-client/src/main/java/org/eclipse/jetty/client/HttpChannel.java

@@ -73,4 +73,10 @@ public abstract class HttpChannel
     {
         disassociate();
     }
+
+    @Override
+    public String toString()
+    {
+        return String.format("%s@%h", getClass().getSimpleName(), this);
+    }
 }

jetty-client/src/main/java/org/eclipse/jetty/client/HttpConnection.java

@@ -148,4 +148,10 @@ public abstract class HttpConnection implements Connection
                 authnResult.apply(request);
         }
     }
+
+    @Override
+    public String toString()
+    {
+        return String.format("%s@%h", getClass().getSimpleName(), this);
+    }
 }

jetty-client/src/main/java/org/eclipse/jetty/client/MultiplexHttpDestination.java

@@ -94,7 +94,7 @@ public abstract class MultiplexHttpDestination<C extends Connection> extends Htt
     {
         HttpClient client = getHttpClient();
         final HttpExchange exchange = getHttpExchanges().poll();
-        LOG.debug("Processing exchange {} on connection {}", exchange, connection);
+        LOG.debug("Processing {} on {}", exchange, connection);
         if (exchange == null)
             return false;
 
@@ -130,7 +130,6 @@ public abstract class MultiplexHttpDestination<C extends Connection> extends Htt
     public void close(Connection connection)
     {
         super.close(connection);
-        assert this.connection == connection;
         while (true)
         {
             ConnectState current = connect.get();

jetty-client/src/main/java/org/eclipse/jetty/client/http/HttpConnectionOverHTTP.java

@@ -136,9 +136,9 @@ public class HttpConnectionOverHTTP extends AbstractConnection implements Connec
     @Override
     public String toString()
     {
-        return String.format("%s@%x(l:%s <-> r:%s)",
+        return String.format("%s@%h(l:%s <-> r:%s)",
-                HttpConnection.class.getSimpleName(),
+                getClass().getSimpleName(),
-                hashCode(),
+                this,
                 getEndPoint().getLocalAddress(),
                 getEndPoint().getRemoteAddress());
     }
@@ -171,5 +171,11 @@ public class HttpConnectionOverHTTP extends AbstractConnection implements Connec
         {
             HttpConnectionOverHTTP.this.close();
         }
+
+        @Override
+        public String toString()
+        {
+            return HttpConnectionOverHTTP.this.toString();
+        }
     }
 }