#vulnerable code 
                                @Test
    public void testReOpenDBAfterMerge() throws IOException, InterruptedException {
        String directory = "/tmp/HaloDBTestWithMerge/testReOpenDBAfterMerge";

        HaloDBOptions options = new HaloDBOptions();
        options.maxFileSize = recordsPerFile * recordSize;
        options.mergeThresholdPerFile = 0.5;
        options.isMergeDisabled = false;
        options.mergeJobIntervalInSeconds = 2;

        HaloDB db = getTestDB(directory, options);

        Record[] records = insertAndUpdateRecords(numberOfRecords, db);

        TestUtils.waitForMergeToComplete(db);

        db.close();

        db = getTestDBWithoutDeletingFiles(directory, options);

        for (Record r : records) {
            byte[] actual = db.get(r.getKey());
            Assert.assertEquals(actual, r.getValue());
        }
    } 
                            #location 19 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                @Test
    public void testReOpenDBAfterMerge() throws IOException, InterruptedException {
        String directory = "/tmp/HaloDBTestWithMerge/testReOpenDBAfterMerge";

        HaloDBOptions options = new HaloDBOptions();
        options.maxFileSize = recordsPerFile * recordSize;
        options.mergeThresholdPerFile = 0.5;
        options.isMergeDisabled = false;

        HaloDB db = getTestDB(directory, options);

        Record[] records = insertAndUpdateRecords(numberOfRecords, db);

        TestUtils.waitForMergeToComplete(db);

        db.close();

        db = getTestDBWithoutDeletingFiles(directory, options);

        for (Record r : records) {
            byte[] actual = db.get(r.getKey());
            Assert.assertEquals(actual, r.getValue());
        }
    }