diff -Nru commons-jcs-dist-2.0-beta-1-src/commons-jcs-jcache-extras/src/main/java/org/apache/commons/jcs/jcache/extras/web/InMemoryResponse.java commons-jcs-dist-2.0-beta-1-src.servlet/commons-jcs-jcache-extras/src/main/java/org/apache/commons/jcs/jcache/extras/web/InMemoryResponse.java
--- commons-jcs-dist-2.0-beta-1-src/commons-jcs-jcache-extras/src/main/java/org/apache/commons/jcs/jcache/extras/web/InMemoryResponse.java	2015-02-19 11:45:22.000000000 +0100
+++ commons-jcs-dist-2.0-beta-1-src.servlet/commons-jcs-jcache-extras/src/main/java/org/apache/commons/jcs/jcache/extras/web/InMemoryResponse.java	2015-10-30 10:53:26.871016941 +0100
@@ -209,6 +209,14 @@
             {
                 buffer.write(b);
             }
+            
+            public void setWriteListener(javax.servlet.WriteListener listener) {
+                throw new UnsupportedOperationException("Not implemented yet.");
+            }
+
+            public boolean isReady() {
+                return false;
+            }
         };
     }