diff -ru libserializer-1.1.2.orig/source/org/pentaho/reporting/libraries/serializer/SerializerHelper.java libserializer-1.1.2/source/org/pentaho/reporting/libraries/serializer/SerializerHelper.java

--- libserializer-1.1.2.orig/source/org/pentaho/reporting/libraries/serializer/SerializerHelper.java	2021-04-07 11:22:05.509434457 +0100

+++ libserializer-1.1.2/source/org/pentaho/reporting/libraries/serializer/SerializerHelper.java	2021-04-07 11:23:19.102343782 +0100

@@ -25,8 +25,7 @@

 import java.util.HashMap;

 import java.util.Iterator;

-import org.apache.commons.logging.Log;

-import org.apache.commons.logging.LogFactory;

+import java.util.logging.Logger;

 import org.pentaho.reporting.libraries.base.config.Configuration;

 import org.pentaho.reporting.libraries.base.util.ObjectUtilities;

 import org.pentaho.reporting.libraries.base.util.DebugLog;

@@ -41,7 +40,7 @@

  */

 public class SerializerHelper

 {

-  private static final Log logger = LogFactory.getLog(SerializerHelper.class);

+  private static final Logger logger = Logger.getLogger(SerializerHelper.class.getName());

   /**

    * The singleton instance of the serialize helper.

    */

@@ -124,7 +123,7 @@

       }

       else

       {

-        logger.warn("Invalid SerializeMethod implementation: " + c);

+        logger.warning("Invalid SerializeMethod implementation: " + c);

       }

     }

   }