BATCH-610:StaxEventItemReader didn't close correctly either, and the test for single column driving query wasn't passing through close calls.

spring-batch-infrastructure/src/main/java/org/springframework/batch/item/xml/StaxEventItemReader.java

@@ -91,6 +91,7 @@ public class StaxEventItemReader extends ExecutionContextUserSupport implements
 
 	public void close(ExecutionContext executionContext) {
 		initialized = false;
+		currentRecordCount = 0;
 		try {
 			if (fragmentReader != null) {
 				fragmentReader.close();

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/database/FooInputSource.java

@@ -48,6 +48,7 @@ class FooItemReader implements ItemStream, ItemReader, DisposableBean, Initializ
 	};
 
 	public void close(ExecutionContext executionContext) {
+		inputSource.close(executionContext);
 	}
 
 	/*