add log when default to HashMap

apache · Jun 29, 2020 · ae09056 · ae09056
1 parent 8763bfa
commit ae09056
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/main/java/com/alibaba/com/caucho/hessian/io/ClassFactory.java b/src/main/java/com/alibaba/com/caucho/hessian/io/ClassFactory.java
@@ -50,13 +50,17 @@
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import java.util.regex.Pattern;
 
 /**
  * Loads a class from the classloader.
  */
 public class ClassFactory
 {
+    protected static final Logger log
+            = Logger.getLogger(ClassFactory.class.getName());
     private static ArrayList<Allow> _staticAllowList;
 
     private ClassLoader _loader;
@@ -76,6 +80,7 @@ public Class<?> load(String className)
             return Class.forName(className, false, _loader);
         }
         else {
+            log.log(Level.SEVERE, className + " in blacklist or not in whitelist, deserialization  with type 'HashMap' instead.");
             return HashMap.class;
         }
     }