- A patch to FieldInfos.java that Doug Cutting suggested at:

http://marc.theaimsgroup.com/?l=lucene-user&m=100253044509125&w=2
  This allows co-existence of indexed and non-indexed fields with the same name.
PR:
Obtained from:
Submitted by:	Guido Casper
Reviewed by:	otis


git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@149730 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/lucene/index/FieldInfos.java

@@ -105,10 +105,8 @@ final class FieldInfos {
     if (fi == null)
       addInternal(name, isIndexed);
     else if (fi.isIndexed != isIndexed)
-      throw new IllegalStateException("field " + name +
-				      (fi.isIndexed ? " must" : " cannot") +
-				      " be an indexed field.");
-  }
+      fi.isIndexed = true;
+   }
 
   private final void addInternal(String name, boolean isIndexed) {
     FieldInfo fi = new FieldInfo(name, isIndexed, byNumber.size());