diff --git a/fine-spring/readme.md b/fine-spring/readme.md
index e5f2c8a07..dfb6c1024 100644
--- a/fine-spring/readme.md
+++ b/fine-spring/readme.md
@@ -1,3 +1,4 @@
-1 spring版本4.3.29.RELEASE
-2 fine-spring内容见https://kms.fineres.com/pages/viewpage.action?pageId=152798513
-3 定制内容处均有"// 定制"注释
\ No newline at end of file
+1 spring版本4.3.29.RELEASE<br>
+2 fine-spring内容见https://kms.fineres.com/pages/viewpage.action?pageId=152798513<br>
+3 定制内容处均有"// 定制"注释<br>
+4 去除对jackson的ObjectMapper的支持：DEC-17331<br>
\ No newline at end of file
diff --git a/fine-spring/src/main/java/com/fr/third/springframework/http/converter/support/AllEncompassingFormHttpMessageConverter.java b/fine-spring/src/main/java/com/fr/third/springframework/http/converter/support/AllEncompassingFormHttpMessageConverter.java
index 74c59e59c..5b697681b 100644
--- a/fine-spring/src/main/java/com/fr/third/springframework/http/converter/support/AllEncompassingFormHttpMessageConverter.java
+++ b/fine-spring/src/main/java/com/fr/third/springframework/http/converter/support/AllEncompassingFormHttpMessageConverter.java
@@ -40,11 +40,11 @@ public class AllEncompassingFormHttpMessageConverter extends FormHttpMessageConv
 			ClassUtils.isPresent("javax.xml.bind.Binder",
 					AllEncompassingFormHttpMessageConverter.class.getClassLoader());
 
-	private static final boolean jackson2Present =
-			ClassUtils.isPresent("com.fasterxml.jackson.databind.ObjectMapper",
-					AllEncompassingFormHttpMessageConverter.class.getClassLoader()) &&
-			ClassUtils.isPresent("com.fasterxml.jackson.core.JsonGenerator",
-					AllEncompassingFormHttpMessageConverter.class.getClassLoader());
+	private static final boolean jackson2Present = false;
+//			ClassUtils.isPresent("com.fasterxml.jackson.databind.ObjectMapper",
+//					AllEncompassingFormHttpMessageConverter.class.getClassLoader()) &&
+//			ClassUtils.isPresent("com.fasterxml.jackson.core.JsonGenerator",
+//					AllEncompassingFormHttpMessageConverter.class.getClassLoader());
 
 	private static final boolean jackson2XmlPresent =
 			ClassUtils.isPresent("com.fasterxml.jackson.dataformat.xml.XmlMapper",