[LANG-1439] FastDateParser throws NumberFormatException when parsing a long number based on a ISO8601 string

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.8.1
• Component/s: lang.time.*
• Assignee: Unassigned
• Reporter: Nghia Nguyen
• Created: 18/Mar/19 11:48
• Updated: 30/Mar/19 11:25

Description

Given this piece of code:

    @Test
    public void testParseLongNumber() {
        final DateParser fdf = getInstance("yyyy-MM-dd'T'HH:mm:ssZZ");
        fdf.parse("999999999999"); // NFE here
    }

Internally, the FastDateParser.NumberStrategy::parse method parses the year from that number (without maxWidth because the next part is not a number) using Integer::parseInt thus leading to a NumberFormatException.

A quick fix for this would be catching the NFE then return false after setting the error position so that the FastDateParse::Parse method can throw a ParseException correctly.

Edit: the suggested patch is attached below

Issue Links

• relates to: LANG-1440 Predefined ISO_8601_EXTENDED_* patterns use wrong timezone offset formatter