diff --git a/jetty-ee10/jetty-ee10-webapp/src/main/java/org/eclipse/jetty/ee10/webapp/ClassMatcher.java b/jetty-ee10/jetty-ee10-webapp/src/main/java/org/eclipse/jetty/ee10/webapp/ClassMatcher.java
index f7334e8c337..a79a8783fb9 100644
--- a/jetty-ee10/jetty-ee10-webapp/src/main/java/org/eclipse/jetty/ee10/webapp/ClassMatcher.java
+++ b/jetty-ee10/jetty-ee10-webapp/src/main/java/org/eclipse/jetty/ee10/webapp/ClassMatcher.java
@@ -751,6 +751,9 @@ public class ClassMatcher extends AbstractSet<String>
 
     public boolean match(String name, URL url)
     {
+        if (url == null)
+            return false;
+
         // Strip class suffix for name matching
         if (name.endsWith(".class"))
             name = name.substring(0, name.length() - 6);
diff --git a/jetty-ee9/jetty-ee9-webapp/src/main/java/org/eclipse/jetty/ee9/webapp/ClassMatcher.java b/jetty-ee9/jetty-ee9-webapp/src/main/java/org/eclipse/jetty/ee9/webapp/ClassMatcher.java
index 148486e5ba4..84d05c2a9cf 100644
--- a/jetty-ee9/jetty-ee9-webapp/src/main/java/org/eclipse/jetty/ee9/webapp/ClassMatcher.java
+++ b/jetty-ee9/jetty-ee9-webapp/src/main/java/org/eclipse/jetty/ee9/webapp/ClassMatcher.java
@@ -733,6 +733,9 @@ public class ClassMatcher extends AbstractSet<String>
 
     public boolean match(String name, URL url)
     {
+        if (url == null)
+            return false;
+
         // Strip class suffix for name matching
         if (name.endsWith(".class"))
             name = name.substring(0, name.length() - 6);