Tidy up streams on close in stream manager

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/stream/SimpleStreamManagerTests.java

@@ -125,6 +125,22 @@ public class SimpleStreamManagerTests extends TestCase {
 		assertEquals(1, list.size());
 	}
 
+	/**
+	 * Test method for
+	 * {@link org.springframework.batch.item.stream.SimpleStreamManager#commit(org.springframework.transaction.TransactionStatus)}.
+	 */
+	public void testCloseUnregisters() {
+		manager.register(new ItemStreamSupport() {
+			public void open(ExecutionContext executionContext) throws StreamException {
+				list.add("bar");
+			}
+		});
+		manager.open(null);
+		manager.close(null);
+		manager.open(null);
+		assertEquals(1, list.size());
+	}
+
 	/**
 	 * Test method for
 	 * {@link org.springframework.batch.item.stream.SimpleStreamManager#commit(org.springframework.transaction.TransactionStatus)}.

spring-batch-infrastructure/src/test/java/org/springframework/batch/repeat/support/AsynchronousRepeatTests.java

@@ -91,8 +91,8 @@ public class AsynchronousRepeatTests extends AbstractTradeBatchTests {
 		// Shouldn't be necessary to wait:
 		// Thread.sleep(500);
 		assertEquals(NUMBER_OF_ITEMS, processor.count);
-		// Because of the throttling and queing internally to a TaskExecutor,
-		// more than one thread wil be used - the number used is (as of writing)
+		// Because of the throttling and queueing internally to a TaskExecutor,
+		// more than one thread will be used - the number used is (as of writing)
 		// one less than the throttle limit of the template.
 		// TODO: see if we can get it to use only one thread?
 		assertTrue(threadNames.size() >= 1);