#vulnerable code 
                                @Test
    public void testSelectTimestampAsDate() {
        db() //
                .select("select registered from person where name='FRED'") //
                .getAs(Date.class) //
                .map(d -> d.getTime()) //
                .test().awaitDone(TIMEOUT_SECONDS, TimeUnit.SECONDS) //
                .assertValue(FRED_REGISTERED_TIME) //
                .assertComplete();
    } 
                            #location 5 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                @Test
    public void testSelectTimestampAsDate() {
        try (Database db = db()) {
            db //
                    .select("select registered from person where name='FRED'") //
                    .getAs(Date.class) //
                    .map(d -> d.getTime()) //
                    .test().awaitDone(TIMEOUT_SECONDS, TimeUnit.SECONDS) //
                    .assertValue(FRED_REGISTERED_TIME) //
                    .assertComplete();
        }
    }