RESOLVED - issue BATCH-1297: Add null check for FlatFileItemReader in case resource exists on close, but not on open(!)

http://jira.springframework.org/browse/BATCH-1297

spring-batch-infrastructure/src/main/java/org/springframework/batch/item/file/FlatFileItemReader.java

@@ -229,7 +229,7 @@ public class FlatFileItemReader<T> extends AbstractItemCountingItemStreamItemRea
 	@Override
 	protected void doClose() throws Exception {
 		lineCount = 0;
-		if (resource.exists()) {
+		if (reader!=null) {
 			reader.close();
 		}
 	}