SOLR-2763: Extracting update request handler throws exception and returns 400 when zero-length file posted using multipart form post

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1173139 13f79535-47bb-0310-9956-ffa450edef68

solr/CHANGES.txt

@@ -353,6 +353,9 @@ Bug Fixes
 
 * SOLR-2772: Fixed Date parsing/formatting of years 0001-1000 (hossman)
 
+* SOLR-2763: Extracting update request handler throws exception and returns 400 
+  when zero-length file posted using multipart form post (janhoy)
+
  Other Changes
 ----------------------
 

solr/core/src/java/org/apache/solr/servlet/SolrRequestParsers.java

@@ -352,8 +352,8 @@ class MultipartRequestParser implements SolrRequestParser
             item.getFieldName(), 
             item.getString(), params.getMap() );
         }
-        // Only add it if it actually has something...
-        else if( item.getSize() > 0 ) { 
+        // Add the stream
+        else { 
           streams.add( new FileItemContentStream( item ) );
         }
     }