e.printStackTrace();
    public void testNumbers() {        try {            XQueryService service =                    storeXMLStringAndGetQueryService("numbers.xml", numbers);                        ResourceSet result = queryResource(service, "numbers.xml", "sum(/test/item/price)", 1);            assertEquals( "96.94", result.getResource(0).getContent() );                        result = queryResource(service, "numbers.xml", "round(sum(/test/item/price))", 1);            assertEquals( "97", result.getResource(0).getContent() );                        result = queryResource(service, "numbers.xml", "floor(sum(/test/item/stock))", 1);            assertEquals( "86", result.getResource(0).getContent());                        queryResource(service, "numbers.xml", "/test/item[round(price + 3) > 60]", 1);                        result = queryResource(service, "numbers.xml", "min(( 123456789123456789123456789, " +                    "123456789123456789123456789123456789123456789 ))", 1);            assertEquals("minimum of big integers",                    "123456789123456789123456789",                    result.getResource(0).getContent() );        } catch (XMLDBException e) {            fail(e.getMessage());        }    }