#vulnerable code 
                                @Test
    public void testParse_Map1() {
        BEParser parser = new BEParser("d4:spaml1:a1:bee");
        assertEquals(BEType.MAP, parser.readType());

        Map<String, Object> expected = new HashMap<>();
        expected.put("spam", Arrays.asList("a", "b"));

        assertEquals(expected, parser.readMap());
    } 
                            #location 9 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                @Test
    public void testParse_Map1() {
        BEParser parser = new BEParser("d4:spaml1:a1:bee".getBytes());
        assertEquals(BEType.MAP, parser.readType());

        byte[][] expected = new byte[][] {"a".getBytes(charset), "b".getBytes(charset)};

        Map<String, Object> map = parser.readMap();

        Object o = map.get("spam");
        assertNotNull(o);
        assertTrue(o instanceof List);

        List<?> actual = (List<?>) o;
        assertArrayEquals(expected, actual.toArray());
    }