MYFACES-4308 - removed commons dependencies
diff --git a/impl/src/main/java/org/apache/myfaces/application/ApplicationImpl.java b/impl/src/main/java/org/apache/myfaces/application/ApplicationImpl.java
index 64cd411..36d2e5e 100755
--- a/impl/src/main/java/org/apache/myfaces/application/ApplicationImpl.java
+++ b/impl/src/main/java/org/apache/myfaces/application/ApplicationImpl.java
@@ -223,7 +223,10 @@
     private SearchExpressionHandler _searchExpressionHandler;
     
     private SearchKeywordResolver _searchExpressionResolver;
-    
+
+    private Map<Class<?>, Map<String, PropertyDescriptor>> converterPDCache
+            = new ConcurrentHashMap<>();
+
     /**
      * Represents semantic null in _componentClassMap. 
      */
@@ -1656,9 +1659,6 @@
 
     }
 
-    private Map<Class<?>, Map<String, PropertyDescriptor>> converterPDCache
-            = new ConcurrentHashMap<>();
-            
     private void setConverterProperties(final Class<?> converterClass, final Converter converter)
     {
         final org.apache.myfaces.config.element.Converter converterConfig = _runtimeConfig