diff -Nru uimaj-2.8.1/uimaj-json/src/main/java/org/apache/uima/json/impl/JsonContentHandlerJacksonWrapper.java uimaj-2.8.1.jackson/uimaj-json/src/main/java/org/apache/uima/json/impl/JsonContentHandlerJacksonWrapper.java
--- uimaj-2.8.1/uimaj-json/src/main/java/org/apache/uima/json/impl/JsonContentHandlerJacksonWrapper.java	2015-08-04 17:06:42.000000000 +0200
+++ uimaj-2.8.1.jackson/uimaj-json/src/main/java/org/apache/uima/json/impl/JsonContentHandlerJacksonWrapper.java	2016-08-25 10:57:52.780477994 +0200
@@ -37,6 +37,7 @@
 import com.fasterxml.jackson.core.JsonGenerationException;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.PrettyPrinter;
+import com.fasterxml.jackson.core.util.DefaultIndenter;
 import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
 import com.fasterxml.jackson.core.util.DefaultPrettyPrinter.FixedSpaceIndenter;
 
@@ -351,7 +352,7 @@
   
   public void withNl() {
     if (isFormattedOutput) {
-      uimaPrettyPrinter.indentObjectsWith(DefaultPrettyPrinter.Lf2SpacesIndenter.instance);
+      uimaPrettyPrinter.indentObjectsWith(DefaultIndenter.SYSTEM_LINEFEED_INSTANCE);
     }
   }