Fix incorrect resource closing order in AbstractCursorItemReader#doClose

Signed-off-by: banseok1216 <[email protected]>

Author: banseok1216

spring-batch-infrastructure/src/main/java/org/springframework/batch/infrastructure/item/database/JdbcCursorItemReader.java

@@ -144,13 +144,15 @@ protected void openCursor(Connection con) {
 	}
 
 	/**
-	 * Close the cursor and database connection.
-	 * @param connection to the database
+	 * Releases JDBC resources associated with this reader.
+	 * Closes the PreparedStatement used for the cursor.
+	 * The Connection is not closed here; it is managed by the parent class.
+	 *
+	 * @param connection the active database connection used for the cursor
 	 */
 	@Override
 	protected void cleanupOnClose(Connection connection) {
 		JdbcUtils.closeStatement(this.preparedStatement);
-		JdbcUtils.closeConnection(connection);
 	}
 
 	@Override

spring-batch-infrastructure/src/main/java/org/springframework/batch/infrastructure/item/database/StoredProcedureItemReader.java

@@ -232,13 +232,15 @@ protected void openCursor(Connection con) {
 	}
 
 	/**
-	 * Close the cursor and database connection.
-	 * @param connection to the database
+	 * Releases JDBC resources associated with this reader.
+	 * Closes the PreparedStatement used for the cursor.
+	 * The Connection is not closed here; it is managed by the parent class.
+	 *
+	 * @param connection the active database connection used for the cursor
 	 */
 	@Override
 	protected void cleanupOnClose(Connection connection) {
 		JdbcUtils.closeStatement(this.callableStatement);
-		JdbcUtils.closeConnection(connection);
 	}
 
 	@Override