Added debug for not found classloading
diff --git a/jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppClassLoader.java b/jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppClassLoader.java
index 005b361..782a6f9 100644
--- a/jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppClassLoader.java
+++ b/jetty-webapp/src/main/java/org/eclipse/jetty/webapp/WebAppClassLoader.java
@@ -470,7 +470,10 @@
                 c= _parent.loadClass(name);
 
             if (c == null && ex!=null)
+            {
+                LOG.debug("not found {} from {}",name,this,ex);
                 throw ex;
+            }
 
             if (resolve)
                 resolveClass(c);