Leap year certficate generation bug

Looks like Cisco has a leap year certificate bug when generating certs (I only tried it on web-admin certs) today, Feb 29th, 2008. If you generate a cert for your controller today, you won't have HTTPS login as your cert will be invalid, Feb 29th, 2008 to Feb 29th, 2018. Well, 2018 is not a leap year so that cert would be invalid. I would suggest you use yesterday's date or tomorrow's date if you are generating certs, as that is the workaround. This goes for flashing IOS APs to LWAPP also. If you're doing it remotely, you don't want invalid certs out there as your APs would never join the controller. I think Cisco may have to investigate this as a bug.

Well I'm just an idiot. It's not the first time. Won't be the
last.
I saw the error in my code. Searched and found this leapyear
bug post:
http://www.feed-squirrel.com/index.cfm?evt=viewItem&ID=80015,
and didn't do enough testing. The issue was that the code creates a
date a year ahead, and there is no 2009-2-29 (which was the
original issue before I posted broken test code).
My apologies to Dan and the rest.

Similar Messages

ICal bug -- leap year has broken reoccuring events

Since last week , when there were 29 days in February instead of 28, events in iCal which are re-occuring (a meeting which occurs every month on the second Monday for example) is simply wrong.
It is clear that this is an artifact of "Leap Year." The error compounds.
In March in was off by one day -- scheduled on Tuesday instead of Monday. In April the error compounds... now scheduled on Friday in April.
Events which were scheduled by data "appear" to be correct, but now I don't know that I can even trust them.
This problem propigates through iCloud and infects my iPhone and iPads as well.
iMac 10.7.3
iPhone 5.1
iPad 5.1
Mac mini 10.6.8
It turns out this Bug dates back to 2008!!!!!
https://discussions.apple.com/message/6309125#6309125

No. not really.
I spent some time on the phone with Apple support and basically discovered that if I looked at the reoccurring event back in February (the previous month), it showed up correctly as an event being repeated as, in my case, "Custom, Every Month on the first Monday." However, then comparing that entry to the incorrect March entry, I noted the March entry was showing up as repeat "Every Month." (Which translated into every 30 or 31 days, looking at subsequent events.)
Simply changing the bad March event back to the Custom "Every Month on the First Monday," and then applying it to the forward "worked around" the issue.
We never did come up with any idea what caused the change. (i.e. the support person could find no references to any kind of similar problem.)
I was told to go to "www.apple.com/feedback" and to select "iCal" from the list of "OS C Apps" near the bottom of the page, and report the problem.

Leap year bug adding days to a date?

Please try this xquery:
<dd>
for $i in 0 to 4
return
<d>
{xs:date('2008-12-29')+xs:dayTimeDuration(concat('P',$i,'D')) }
</d>
</dd>
If the starting date is a leap year date (eg: 2008-12-29), the result does not contain the 30rd of december!
Is this a (known) bug or there is something wrong in my xquery?
Thanks!
Bye
Mirko

Hi Mirko,
There's nothing wrong with your query - that looks like a bug in our date displaying code. Thanks for your analysis of the problem - I'll take a look into fixing it.
John

Bug or error when handling leap years with WDS/DS

Hi all,
I discovered a difference in outcome with Build and Debug (without screens) and Build and Debug with Web Determinations or Determinations Server when calculating days within leap years.
I use the function DayDifferenceInclusive to calculate the amount of days in an insurance period.
the amount of days of the insurance period = DayDifferenceInclusive(the start date of the insurance, the end date of the insurance)
With the regression tester or Build and Debug (without screens) I get the following outcome for the following input:
*93 = DayDifferenceInclusive(02-29-2008, 05-31-2008)*
When we use Web Determinations or Determinations Server we get the value of *92* for the exact same input data when it should be 93.
Is this a bug in the java code? How can we fix this or is there a work around for it?
We're in the middle of System Integration Testing for a huge project so help is much appreciated!
Best regards,
Niels Roest

Niels,
thanks for that - and it looks like in the Netherlands daylight savings started on the 30th of March 2008, which as far as I know is the trigger for this error.
I have reproduced the issue against 10.1 using the period 01 October 2010 to 30 October 2010, which contains the date that daylight saving started in Australia.
As for ways to work around the issue, I can offer 3:
* wait for 10.2 - it's in beta at the moment (though given your opening comments, this might not be an option for you)
* set your server locale to one that doesn't have DST
* work around the issue in rules:
Firstly, the issue is that the shipping version fails because it doesn't take into account that one of the days is shorter than the standard 24 hours.
The trick is to replace the DayDifference function with the HourDifference function and round to the nearest number of days.
So given a rule that looks like:
the result = DayDifference(date one, date two)
it can be rewritten as:
The result = round(HourDifference(date one at 00:00:00, date two at 00:00:00) / 24, 0)
* the whole "at 00:00:00" is necessary because HourDifference works on datetimes, not dates.
Sorry for the hassle.
Regards
Andrew

Problem with leap years in Calendar demo

I've just looked at the Calendar demo component:
http://developers.sun.com/prodtech/javatools/jscreator/reference/codesamples/samplecomps/calendar.html
There is a little bug : it doesn't seem to manage leap years.
Go to february 2008, and you won't the the 29th of February 2008 in the calendar.
Please try to correct this bug quickly. It is a bad idea to let people get source code with bugs as a a demo.
Thanks
Thibaut REGNIER
See TastePhone, my Open Source app made whith Java Studio Creator:
http://www.club-java.com/TastePhone/J2ME/MIDP_mobile.jsp

The Calendar Component does take account of the leap year.
If you look at the code, it has
if ((month == FEBRUARY) && (isLeapYear(year))) numCells++;Not sure what went wrong. I'll take a look at it.
- Winston

Leap Year - Control Record UK

Hello everybody,
I have a strange think in my control record for UK for February:
We are in a Leap Year so February end on a 29th, but in the control record it's show 28th ?
Is it a bug that need to be declare in OSS ?
THanks a lot
KR
Greg

YOu haave to check the period definitions in T549Q, maybe it is incorrectly defined there.

Leap year debugging

I'm having a hard time debugging this program,It's suppose to determine if a year is a leap year.
import java.util.*;
public class LeapYear
     static Scanner console = new Scanner(System.in);
     public static void main(String[] args)
     boolean isLeap = false;
     int year;
     String moreData;
     do
     System.out.print("Enter a year: ");
     year = console.nextInt();
     System.out.println();
     while(moreData.charAt(0) == 'y');
     System.out.print("Do you want to enter more data? y/n:");
     moreData = console.next();
public static boolean isLeap(int year)
if (year % 4 == 0 && year % 100 != 0)
return true;
if (year % 400 == 0)
return true;
          System.out.println(year + " is " + (isLeap ? "" : "not ") + "a leap year.");
}

here what I have done so far, still got a couple of bugs in there.
[import java.util.*;
public class LeapYear
     static Scanner console = new Scanner(System.in);
     public static void main(String[] args)
     int year;
     System.out.print("Enter a year: ");
     console.nextInt();
     System.out.print("Do you want to enter more data? y/n:");
     console.nextLine();
     System.out.println(year + " is a leap year.");
     System.out.println(year + " is not a leap year.");
     public static int getYear()
          return year;
     public boolean isLeap(int year)
      if (year % 4 == 0 && year % 100 != 0)
         return true;
          if (year % 400 == 0)
               return true;
          else
               return false;
     public static int moreData (String response)
          if(response.charAt(0) == 'y')
               return getYear;
}/code]

Leap year issues

how do you corr5ect leap year issues with calendar?

I have a reoccurring appoint that happens every wednesday. But I noticed yesterday that it put that appointment on Tuesday - Feb 28th instead of Feb 29th. When you open up the event it says:
"Tuesday, 28 Feb, 2012
from 6:30 PM to 8:30 PM
repeats every week on Wednesday"
I'm quite sure I didn't add a single instance of this event on the Tuesday. I'm a software developer and took a guess that the weekly event falling on Feb 29th of a leap year was the most likely culprit of this bug.
Note that I used the iCloud control panel to push out my events from Outlook to iCloud a couple of weeks ago. So the logic error could be in that software. Or in Outlook, or in Google (as I used to synch my google calendar to outlook before going to iCloud). But I doubt it was caused by Outlook or Google calendar. No proof of that, just my gut feeling.

ICal and Leap Year

I had set up a yearly recurring event for a birthday notification for Feb 29 (Leap Year) with a Alarm notification 6 days in advance of the day so I could be sure to send out a card in time, etc. etc. However, because there is no Feb 29 in calendar year 2010 it appears that the Alarm notification isn't working. Is this a bug or did I possibly do something wrong?

Yes, I noticed this the other day but didn't make a connection with the US holidays. Odd quirk.

Date difference in years,month,days should consider Leap Year

I would like to know how to compute the difference between two Date, and get the difference in years,months,days, PS. Should include New Year
Eg Date1 : 01/01/2000
Date2: 01/01/2005
Diff: years=5, months=0 days=1 for a leap year is included'2004'

I would like to know how to compute the difference
between two Date, and get the difference in
years,months,days, PS. Should include New Year
Eg Date1 : 01/01/2000
Date2: 01/01/2005
Diff: years=5, months=0 days=1 for a leap year is
included'2004'If any program I was using gave me that result, I would consider it a bug.

Loading leap year date using SQL*Loader

Hello,
I have a problem loading a date '29/02/2000' using SQL*Loader. This date is on a leap year. I'm getting an error message from SQL*Loader as 'ORA-01839: date not valid for month specified'. My colleague and I have tried using various date functions to convert the data into date, but no luck.
I would appreciate any helps,
Bruce

Thanks for your help, I found the bug on my control file. I was using the RTRIM function to remove bad timestamp such as '29/02/2000 0:00:00'. So instead of using this statement:
LOG_DATE DATE "DD/MM/RRRR" "RTRIM(:LOG_DATE,'0:00:00')"
I was using the statement below with a space before the '0:00:00' string literal, with the intention to remove a space also:
LOG_DATE DATE "DD/MM/RRRR" "RTRIM(:LOG_DATE,' 0:00:00')"
Well, it turned out that if there was a space before the string literal, RTRIM function would trim the matching string plus any '0' characters from the right, including the '000' that belongs to '2000'. Thus, the error.
Thanks again,
Bruce

IPhone Leap year calendar issues anyone?

Is anyone having a problem with scheduling meetings in outlook for February 29th and then they show up on the iPhone as March 1st instead? Is there something that is not configured right because of leap year?

I have a reoccurring appoint that happens every wednesday. But I noticed yesterday that it put that appointment on Tuesday - Feb 28th instead of Feb 29th. When you open up the event it says:
"Tuesday, 28 Feb, 2012
from 6:30 PM to 8:30 PM
repeats every week on Wednesday"
I'm quite sure I didn't add a single instance of this event on the Tuesday. I'm a software developer and took a guess that the weekly event falling on Feb 29th of a leap year was the most likely culprit of this bug.
Note that I used the iCloud control panel to push out my events from Outlook to iCloud a couple of weeks ago. So the logic error could be in that software. Or in Outlook, or in Google (as I used to synch my google calendar to outlook before going to iCloud). But I doubt it was caused by Outlook or Google calendar. No proof of that, just my gut feeling.

HELP! Files won't open and previously had Firefox icon instead of DW icons! Leap Year thing?

Hi! I went to update my website, which I do every night before the first day of every month and all the files had a FIrefox icon instead of the usual Dreamweaver one. I have shut down, reinstalled DW MX 2004 but the files still do not open. The icons have now changed to DW but they are not opening with right click, opening from Applications folder, double clicking the file, from get info and open with DW. I am stumped. HELP! Need to update for March 1st.
Is it something to do with Leap Year 29th Feb? Checked the clock in preferences but can't see how this affects it.
Firefox is always updated but the latest version does not seem to be as efficient as previous upgrades. We installed Chrome as well. Do they interfere with each other?

Hi Ken
I wish the 7.1 updater download had helped but it didn¹t. All the files
were backed up before the installation, which went fine.
Mac 10.5.8
We used Disc Warrior to defrag the hard drive, which did not make a
difference.
We recently started using Chrome, so now have 3 browsers in the dock,
Safari, Firefox and Chrome. Do they interfere in any way with each other?
The files, which I hadn¹t touched for a month as I update on a monthly
basis, initially had the Firefox icon.
Below is the message to send to Apple, which did not go through their report
system! A little disillusioned with the service!
Model: iMac9,1, BootROM IM91.008D.B08, 2 processors, Intel Core 2 Duo, 3.06
GHz, 4 GB
Graphics: kHW_NVidiaGeForceGT130Item, NVIDIA GeForce GT 130,
spdisplays_pcie_device, 512 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8E),
Broadcom BCM43xx 1.0 (5.10.91.22)
Bluetooth: Version 2.1.9f10, 2 service, 0 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Network Service: AirPort, AirPort, en1
Serial ATA Device: WDC WD1001FALS-40K1B0, 931.51 GB
Serial ATA Device: PIONEER DVD-RW DVRTS08
USB Device: Built-in iSight, (null) mA
USB Device: Keyboard Hub, (null) mA
USB Device: iLok, (null) mA
USB Device: Apple Optical USB Mouse, (null) mA
USB Device: Apple Keyboard, (null) mA
USB Device: Deskjet 3840, (null) mA
USB Device: BRCM2046 Hub, (null) mA
USB Device: Bluetooth USB Host Controller, (null) mA
USB Device: IR Receiver, (null) mA
FireWire Device: d2 quadra (button), LaCie, 800mbit_speed
Does not mean a thing to me.
I am not late with updating the site, which is about New Zealand culture,
month by month (www.englishteacher.co.nz). Probably only the third time I
have been late since 2005. Not a huge amount of traffic, ~300 a month and
free access to content but I would like to solve this problem.
Could a reciprocal link have caused a problem?
At my wits end.
I really appreciate the help though.
Cheers Yvonne
From: Ken Binney <[email protected]>
Reply-To: <[email protected]>
Date: Wed, 29 Feb 2012 06:42:11 -0700
To: Yvonne and Bill Hynson <[email protected]>
Subject: HELP! Files won't open and previously had Firefox
icon instead of DW icons! Leap Year thing?
Re: HELP! Files won't open and previously had Firefox icon instead of DW
icons! Leap Year thing?
created by Ken Binney <http://forums.adobe.com/people/Ken+Binney> in
Dreamweaver - View the full discussion
<http://forums.adobe.com/message/4236682#4236682>
Not necessarily related, but did you also install the 7.1
updater? http://www.adobe.com/support/dreamweaver/downloads_updaters.html
Windows or MAC?
Replies to this message go to everyone subscribed to this thread, not
directly to the person who posted the message. To post a reply, either reply
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Unable to generate the file report pdf on 29 february 2012 or during any leap year day...

hii this is manab......
sir/mam i have face the following error in 29 february 2012 for my overall company report .But i can easily get the
report of another department on 29feb 2012....but when i try generate the overall report of my comapany then i find the errors
REP-1401: 'cf_mc_prod_lyrformula': Fatal PL/SQL error occurred.
ORA-01839: date not valid for month specified
The following is the logfile.........
...........................................................................................log file................................................................................................................
HPCL Custom Application: Version : UNKNOWN
Copyright (c) 1979, 1999, Oracle Corporation. All rights reserved.
HPCCMDS module: HPC Modified CMD Report
+---------------------------------------------------------------------------+
Current system time is 04-SEP-2013 11:37:20
+---------------------------------------------------------------------------+
+-----------------------------
| Starting concurrent program execution...
+-----------------------------
Arguments
P_MILL='NPM'
P_TRANSACTION_DATE='2012/02/29 00:00:00'
Current NLS_LANG and NLS_NUMERIC_CHARACTERS Environment Variables are :
American_America.US7ASCII
REP-1401: 'cf_mc_prod_lyrformula': Fatal PL/SQL error occurred.
ORA-01839: date not valid for month specified
Report Builder: Release 6.0.8.24.0 - Production on Wed Sep 4 11:37:20 2013
(c) Copyright 1999 Oracle Corporation. All rights reserved.
Enter Username:
+---------------------------------------------------------------------------+
Start of log messages from FND_FILE
+---------------------------------------------------------------------------+
+---------------------------------------------------------------------------+
End of log messages from FND_FILE
+---------------------------------------------------------------------------+
Program exited with status 1
Concurrent Manager encountered an error while running Oracle*Report for your concurrent request 11426643.
Review your concurrent request log and/or report output file for more detailed information.
+---------------------------------------------------------------------------+
Executing request completion options...
Finished executing request completion options.
+---------------------------------------------------------------------------+
Concurrent request completed
Current system time is 04-SEP-2013 11:59:23
+---------------------------------------------------------------------------+
kindly give me solution .....i have e-business suite 11i
internet explorer latest version...

Hi,
Please confirm whether this is a custom or standard report.
If this is a custom report, then probably the respective issue has not been handled by exception handling.
Also please refer note:
How to check if version 11.5.10.2 is certified to Handle Leap Years (Doc ID 549937.1)
Thanks &
Best Regards,

How to find leap year in sql query

How to find leap year in sql query

Select
CASE
WHEN result = 0 THEN 'Leap_Year'
WHEN result <> 0 THEN 'Not_A_Leap_Year'
END
From (Select mod((EXTRACT(YEAR FROM DATE '2013-08-24')), 4) result FROM DUAL);

Leap year certficate generation bug

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