#vulnerable code 
                                @Test
    public void testNoHeaderMap() throws Exception {
        final CSVParser parser = CSVParser.parse("a,b,c\n1,2,3\nx,y,z", CSVFormat.DEFAULT);
        Assert.assertNull(parser.getHeaderMap());
    } 
                            #location 4 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                @Test
    public void testNoHeaderMap() throws Exception {
        final CSVParser parser = CSVParser.parse("a,b,c\n1,2,3\nx,y,z", CSVFormat.DEFAULT);
        Assert.assertNull(parser.getHeaderMap());
        parser.close();
    }