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From "Brian Phillips (JIRA)" <j...@apache.org>
Subject [jira] Updated: (NET-188) FTPClient#listFiles returns null element when file's timestamp is "02/29"
Date Mon, 03 Mar 2008 12:48:50 GMT

     [ https://issues.apache.org/jira/browse/NET-188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brian Phillips updated NET-188:
-------------------------------

    Attachment: DstParseTest.java

The attached JUnit test case shows that this problem will reoccur on any date/time that doesn't
exist in the default year 1970.  Specifically, April 26 at 2am (the time at which DST was
put into affect in 1970) is unparseable by SimpleDateFormat:

java.text.ParseException: Unparseable date: "Apr 26 02:00"
	at java.text.DateFormat.parse(DateFormat.java:337)
	at DstParseTest.testParseDstWithNoYear(DstParseTest.java:21)
        [snip]

This issue may be specific to the default timezone of your system so the test case explicitly
calls sets the time zone to "US/Central" which is my default and exhibits the ParseException
failure.

> FTPClient#listFiles returns null element when file's timestamp is "02/29"
> -------------------------------------------------------------------------
>
>                 Key: NET-188
>                 URL: https://issues.apache.org/jira/browse/NET-188
>             Project: Commons Net
>          Issue Type: Bug
>    Affects Versions: 1.4
>            Reporter: HONMA Hirotaka
>         Attachments: commons-net-ftp-date-parser-feb29.patch, DstParseTest.java
>
>
> This issue has same cause as VALIDATOR-221.
> org.apache.commons.net.ftp.parser.FTPTimestampParserImpl#parseTimestamp throws ParseException
with timestampStr = "Feb 29 11:22".
> FTP Server status:
> {code}
> [root@localhost test-commonsnet]# pwd
> /tmp/test-commonsnet
> [root@localhost test-commonsnet]# ls -l
> total 0
> -rw-r--r--  1 root root 0 Dec 19  2006 aaa.txt
> -rw-r--r--  1 root root 0 Feb 29 11:22 bbb.txt
> {code}
> test code:
> {code}
> public void testCommonsNetLeapDay() throws Exception {
>     final FTPClient ftp = new FTPClient();
>     ftp.connect(host);
>     ftp.login(user, password);
>     final FTPFile[] listFiles = ftp.listFiles("/tmp/test-commonsnet");
>     for (int i = 0; i < listFiles.length; i++) {
>         System.out.println("[" + i + "] " + listFiles[i]);
>     }
>     ftp.disconnect();
> }
> {code}
> results bellow.
> {code}
> [0] -rw-r--r--    1 0        0               0 Dec 18  2006 aaa.txt
> [1] null
> {code}
> Second element(bbb.txt) should not be null.

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