diff --git a/jetty-io/src/main/java/org/eclipse/jetty/io/AbstractEndPoint.java b/jetty-io/src/main/java/org/eclipse/jetty/io/AbstractEndPoint.java
index c34b88b1e9e..4c3fc823e4a 100644
--- a/jetty-io/src/main/java/org/eclipse/jetty/io/AbstractEndPoint.java
+++ b/jetty-io/src/main/java/org/eclipse/jetty/io/AbstractEndPoint.java
@@ -456,6 +456,8 @@ public abstract class AbstractEndPoint extends IdleTimeout implements EndPoint
     public String toConnectionString()
     {
         Connection connection = getConnection();
+        if (connection == null)
+            return "null";
         if (connection instanceof AbstractConnection)
             return ((AbstractConnection)connection).toConnectionString();
         return String.format("%s@%x",connection.getClass().getSimpleName(),connection.hashCode());