diff --git a/jetty-io/src/main/java/org/eclipse/jetty/io/ByteArrayEndPoint.java b/jetty-io/src/main/java/org/eclipse/jetty/io/ByteArrayEndPoint.java
index 4366e27024f..535a47026f0 100644
--- a/jetty-io/src/main/java/org/eclipse/jetty/io/ByteArrayEndPoint.java
+++ b/jetty-io/src/main/java/org/eclipse/jetty/io/ByteArrayEndPoint.java
@@ -150,7 +150,7 @@ public class ByteArrayEndPoint extends AbstractEndPoint
     {
         _in = in;
         if (in == null || BufferUtil.hasContent(in))
-            _fillInterest.readable();
+            _fillInterest.fillable();
     }
 
     /* ------------------------------------------------------------ */
@@ -356,7 +356,7 @@ public class ByteArrayEndPoint extends AbstractEndPoint
      */
     public void reset()
     {
-        _fillInterest.close();
+        _fillInterest.onClose();
         _writeFlusher.onClose();
         _ishut=false;
         _oshut=false;
@@ -435,7 +435,7 @@ public class ByteArrayEndPoint extends AbstractEndPoint
                             LOG.debug("{} idle timeout expired", this);
 
                             TimeoutException timeout = new TimeoutException("Idle timeout expired: " + idleElapsed + "/" + idleTimeout + " ms");
-                            _fillInterest.failed(timeout);
+                            _fillInterest.onFail(timeout);
                             _writeFlusher.onFail(timeout);
                             
                             if (isOutputShutdown())
diff --git a/jetty-io/src/main/java/org/eclipse/jetty/io/FillInterest.java b/jetty-io/src/main/java/org/eclipse/jetty/io/FillInterest.java
index d0718930aa1..686cbc9d19d 100644
--- a/jetty-io/src/main/java/org/eclipse/jetty/io/FillInterest.java
+++ b/jetty-io/src/main/java/org/eclipse/jetty/io/FillInterest.java
@@ -28,7 +28,7 @@ public abstract class FillInterest
     /* ------------------------------------------------------------ */
     /** Call to register interest in a callback when a read is possible.
      * The callback will be called either immediately if {@link #needsFill()} 
-     * returns true or eventually once {@link #readable()} is called.
+     * returns true or eventually once {@link #fillable()} is called.
      * @param context
      * @param callback
      * @throws ReadPendingException
@@ -42,18 +42,18 @@ public abstract class FillInterest
         try
         {
             if (needsFill())
-                readable();
+                fillable();
         }
         catch(IOException e)
         {
-            failed(e);
+            onFail(e);
         }
     }
 
     /* ------------------------------------------------------------ */
     /** Call to signal that a read is now possible.
      */
-    public void readable()
+    public void fillable()
     {
         if (_interested.compareAndSet(true,false))
         {
@@ -77,7 +77,7 @@ public abstract class FillInterest
     /* ------------------------------------------------------------ */
     /** Call to signal a failure to a registered interest
      */
-    public void failed(Throwable cause)
+    public void onFail(Throwable cause)
     {
         if (_interested.compareAndSet(true,false))
         {
@@ -90,7 +90,7 @@ public abstract class FillInterest
     }
     
     /* ------------------------------------------------------------ */
-    public void close()
+    public void onClose()
     {
         if (_interested.compareAndSet(true,false))
         {
@@ -106,14 +106,14 @@ public abstract class FillInterest
     @Override
     public String toString()
     {
-        return String.format("ReadInterest@%x{%b,%s,%s}",hashCode(),_interested.get(),_callback,_context);
+        return String.format("FillInterest@%x{%b,%s,%s}",hashCode(),_interested.get(),_callback,_context);
     }
     
     /* ------------------------------------------------------------ */
     /** Register the read interest 
      * Abstract method to be implemented by the Specific ReadInterest to
      * enquire if a read is immediately possible and if not to schedule a future
-     * call to {@link #readable()} or {@link #failed(Throwable)}
+     * call to {@link #fillable()} or {@link #onFail(Throwable)}
      * @return true if a read is possible
      * @throws IOException
      */
diff --git a/jetty-io/src/main/java/org/eclipse/jetty/io/SelectChannelEndPoint.java b/jetty-io/src/main/java/org/eclipse/jetty/io/SelectChannelEndPoint.java
index a0a3541932c..ce592e53f6f 100644
--- a/jetty-io/src/main/java/org/eclipse/jetty/io/SelectChannelEndPoint.java
+++ b/jetty-io/src/main/java/org/eclipse/jetty/io/SelectChannelEndPoint.java
@@ -178,7 +178,7 @@ public class SelectChannelEndPoint extends ChannelEndPoint implements SelectorMa
         setKeyInterests(oldInterestOps, newInterestOps);
         updateLocalInterests(readyOps, false);
         if (_key.isReadable())
-            _fillInterest.readable();
+            _fillInterest.fillable();
         if (_key.isWritable())
             _writeFlusher.completeWrite();
     }
@@ -203,7 +203,7 @@ public class SelectChannelEndPoint extends ChannelEndPoint implements SelectorMa
                         LOG.debug("{} idle timeout expired", this);
 
                         TimeoutException timeout = new TimeoutException("Idle timeout expired: " + idleElapsed + "/" + idleTimeout + " ms");
-                        _fillInterest.failed(timeout);
+                        _fillInterest.onFail(timeout);
                         _writeFlusher.onFail(timeout);
 
                         if (isOutputShutdown())
@@ -269,7 +269,7 @@ public class SelectChannelEndPoint extends ChannelEndPoint implements SelectorMa
     {
         super.onClose();
         _writeFlusher.onClose();
-        _fillInterest.close();
+        _fillInterest.onClose();
     }
 
     @Override
diff --git a/jetty-io/src/main/java/org/eclipse/jetty/io/ssl/SslConnection.java b/jetty-io/src/main/java/org/eclipse/jetty/io/ssl/SslConnection.java
index 85e516f91f0..600d3541e50 100644
--- a/jetty-io/src/main/java/org/eclipse/jetty/io/ssl/SslConnection.java
+++ b/jetty-io/src/main/java/org/eclipse/jetty/io/ssl/SslConnection.java
@@ -139,7 +139,7 @@ public class SslConnection extends AbstractConnection
             // wake up whoever is doing the fill or the flush so they can
             // do all the filling, unwrapping ,wrapping and flushing
             if (_decryptedEndPoint._fillInterest.isInterested())
-                _decryptedEndPoint._fillInterest.readable();
+                _decryptedEndPoint._fillInterest.fillable();
 
             // If we are handshaking, then wake up any waiting write as well as it may have been blocked on the read
             if ( _decryptedEndPoint._flushRequiresFillToProgress)
@@ -165,7 +165,7 @@ public class SslConnection extends AbstractConnection
         synchronized(_decryptedEndPoint)
         {
             if (_decryptedEndPoint._fillInterest.isInterested())
-                _decryptedEndPoint._fillInterest.failed(cause);
+                _decryptedEndPoint._fillInterest.onFail(cause);
 
             if (_decryptedEndPoint._flushRequiresFillToProgress)
             {
@@ -215,7 +215,7 @@ public class SslConnection extends AbstractConnection
                     if (_fillRequiresFlushToProgress)
                     {
                         _fillRequiresFlushToProgress = false;
-                        _fillInterest.readable();
+                        _fillInterest.fillable();
                     }
 
                     if (_writeFlusher.isInProgress())
@@ -241,7 +241,7 @@ public class SslConnection extends AbstractConnection
                     if (_fillRequiresFlushToProgress)
                     {
                         _fillRequiresFlushToProgress = false;
-                        _fillInterest.failed(x);
+                        _fillInterest.onFail(x);
                     }
 
                     if (_writeFlusher.isInProgress())