Daylight saving time changes - Netweaver Java
Hi,
For DST, we are planning to shutdown ABAP systems. What about JAVA systems, shall Hi,
For DST , we are planning to shutdown ABAP systems. What about JAVA systems, shall we need to shutdown JAVA systems??
It would be great, if any one can provide any document or OSS notes for JAVA systems.
Thanks & Regards
Hi Srinivas,
Sorry that I don't know any Note covering all different platforms and releases...
My experience is that for non-active Java engine on Windows, the Java engine would run fine without shutdown. For some platform(s), it is required to shutdown ABAP stack, so the Java engine will be down for ABAP+JAVA systems.
If you give the release and the platform details, manby someone has the answer.
Best regards,
Victor
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Daylight Saving Time Changes for 2007
Hello Friends
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http://java.sun.com/developer/technicalArticles/Intl/USDST/
Thanks for the answers in advance.
Regards
Rajeev BhogalHello All
We currently compile and run our application with Jrockit 1.4.2_04 (build 1.4.2_04-b05), if we change to minor version 11 for 1.4.2 should we recompile the application. I would think that DST related binaries would only be called at run time not compile time, however I am far from being a compiler expert. Can any learned friend shed some light.
Henrik what do you think.
Regards and Thanks
Rajeev Bhogal -
Support for US Daylight Saving Time changes in 2007
The Start and Stop dates for Daylight Savings Time in US will change from 2007.
From Sun's bug database, it looks like Sun has handled this Daylight Saving Time changes in JDK 1.5.0_06.
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6317178
Does anyone know if they have handled this in earlier JDK releases (1.3.x, 1.4.x)? If not, do they have any plan to handle these changes?1.3.1_18 had a timezone change.
http://java.sun.com/j2se/1.3/ReleaseNotes.html
1.4.2_11 had some timezone changes (but now there is a 1.4.2_12, so use that).
http://java.sun.com/j2se/1.4.2/ReleaseNotes.html
Not sure exactly what the timezone changes were, but check the release notes or give those JDKs a try. -
Hi --
I am having an issue with Oracle 10g Application Server (9.2.0.4 and 10.1.2) and BEA Weblogic (8.1.4) upgrading their corresponding JDK's to resolve the Daylight Saving Time Changes. Right now these app servers are using SUN jdk version, whcih prone to the DST issue, less that JDK 1.4.2.11.
The details about the DST can be found at this location:
http://java.sun.com/developer/technicalArticles/Intl/USDST/
ThanksHi,
Thanks for posting.
Metalink Note:403311.1 for DST E-Business Suite (EBS))Patches.
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Daylight Saving Time Changes in 2007 for USA
Can anyone give me solution how to handle Daylight saving Time changes in 2007 in USA for JDK 1.3.x releases? We are using this due to some vendor dependency. We can�t upgrade to higher versions up to middle of the 2007. I would be thankful if somebody gets back to me.
I have a similar issue where we cannot upgrade the jdk 1.1 without involving a lot of effort. If we keep the same old jdk, can someone tell me if use of Date and Calendar api will be impacted by the Daylight saving change.....provided the timezone is default and not explicitly set to EST. Also there isnt any timezone related buss logic.
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USA Residents: Early Daylight Saving Time *Changes*.
Apparently, a few folks are unaware of the changes & patch because for various reasons they do not check and/or use their Software Update Control Panel.
http://docs.info.apple.com/article.html?artnum=305056 About Daylight Saving Time changes in 2007I have a similar issue where we cannot upgrade the jdk 1.1 without involving a lot of effort. If we keep the same old jdk, can someone tell me if use of Date and Calendar api will be impacted by the Daylight saving change.....provided the timezone is default and not explicitly set to EST. Also there isnt any timezone related buss logic.
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Oracle Fix for U.S. Daylight Saving Time Changes in 2007
Hi --
Does any one know that if Oracle 10g Application Server (9.0.4) or Oracle 10g Application Server (10.1.2) as a fix for this issue.
Summary of the Issue: Information about the impact of the US Energy Policy Act of 2005, which changes the effective dates of US Daylight Saving Time (DST) in 2007 for the US. The passage of the Energy Policy Act of 2005 alters the Daylight Saving Time (DST) start and stop dates by four weeks. Extended Daylight Saving Time will begin in March of 2007.
The details for the issue can found at this location:
http://java.sun.com/developer/technicalArticles/Intl/USDST/
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Thanks for posting.
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Converting unix timestamp to date after Daylight Saving Time change
Hello,
in one of the products we use the internal scheduler stores dates (and times) in an Unix-like format, that is seconds since 1st of January 1970. We have used this SQL to extract the actual date:
TO_CHAR(t.next_fire_time/(24*60*60*1000) +to_date('19700101020000','yyyymmddhh24miss'),'yyyymmddhh24miss')
Everything worked fine until the time has changed this weekend from UTC+2 to UTC+1 (we are located in Eastern Europe). Since then the query above returns one hour later than it should.
I.e. timestamp *1320067800000* is returned as *20111031153000* even thought correct is (and the actual time the event was scheduled) *31-OCT-11 02.30.16.000000 PM*
I found queries like this on different forums and no one seems to worry much about the daylight savings. Is this a configuration issue in the DB or is it a bug in our code?
I tried selecting the SESSIONTIMEZONE and DBTIMEZONE and both were +1.
Any help appreciated.Your problem is hard-coded 2hour offset:
to_date('19700101<font size=5 color=red>02</font>0000','yyyymmddhh24miss')You need to calculate current offset to adjust it to current DST situation:
with sample_table as (
select date '1970-01-01' + 1320067800000 / 1000 / 3600 / 24 dt_utc from dual
select dt_utc,
dt_utc +
extract(
timezone_hour
from
from_tz(cast(dt_utc as timestamp),'utc') at time zone 'Europe/Prague'
) / 24 dt_prague,
extract(
timezone_hour
from
from_tz(cast(dt_utc as timestamp),'utc') at time zone 'Europe/Prague'
) tz_offset
from sample_table
DT_UTC DT_PRAGUE TZ_OFFSET
2011-10-31 13:30:00 2011-10-31 14:30:00 1
SQL> SY. -
CreateODBCDateTime monkeys with Daylight Saving Time!!
If one uses CreateODBCDateTime to convert a date into the
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Daylight Saving Time changes, the function will change the time
forward or backward one hour. IT WILL DO THIS EVEN IF THE DATE YOU
ARE STORING IS UTC, thus rendering UTC times INVALID because they
do not have DST. Why does this function monkey with DST at all?I have several international web sites on this server, one of
which has over 100,000 users who have contributed over 70 million
records, all with UTC timestamps. The problem occurs during the one
hour period EVERY YEAR when daylight saving time is started. It
does not do this in the fall when the time reverts. So, yes, the
problem only occurs during 1 hour out of 8,760 hours, but when you
start with 70 million records over 5 or 6 years...
But the danger is for anybody who stores or manipulates a
date/time OTHER THAN the date/time that is being used internally to
the server. In other words, if your server is set to Central Time,
and you have users in Hawaii or Arizona who need to store their own
date/time, it is likely to apply Central Timezone RULES to that
date/time, even if Hawaii and Arizona don't use DST.
Let's say you're scheduling operating rooms in a hospital in
Honolulu. All the CF routines are going to make sure to shift those
times forward an hour without warning, have a nice day. In my case,
it is happening with UTC, but it could be ANY time zone that has
different rules than the ones on your server.
Yes, I can probably figure out a different way to process
times, but this is a massive system with thousands of different
templates. In fact it affects several pretty massive software
systems with millions of lines of code, so it's not as if I can
just change a few SQL queries and be done with it.
It probably should be a rule for anybody operating a
ColdFusion server in an international setting, where dates and
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to set up the server on UTC time just to avoid this problem.
Me, I have to
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of code,
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have on things like scheduled tasks, email servers, etc,
c. then figure out whether there is any way to repair tens of
thousands of corrupted records -
The time in infoview has not changed to accommodate the daylight saving time change.
Version: 11.5.8.8265
Tried to install xir2 edst patch (CHF15_DST), when doing so I get a message stating "MHF1 is needed as prerequisite"...when I try to install MHF1, receive message "No supported XIR2 products detected"
Please advice, thank you.Symptom
The Integration Kit for Baan driver displays incorrect time data in reports. The time is off by an hour between the dates marking the old Daylight Saving Time (DST) and the new DST change.
Cause
DST has been changed to occur earlier in the year. The Integration Kit for Baan does not pick the new settings up.
Resolution
There are files called ZONEFILES on the BAAN Server. These files must be already updated on the Baan server side.
The Integration Kit for Baan installs our own version of these files in the following folder:
\Baan\Native\lib\ZONEINFO
on the hard drive where the Integration Kit is installed.
Back up these files on the Crystal Reports/Business Objects XI computer, then put a copy of the ZONEFILES from the Baan Server to the computer where the Integration Kit for Baan is installed. -
New Daylight Saving Time Rules
An update for changing the rules for Daylight Saving Time in the US and Canada was sent out to OS X 10.4.x; will a similar update be available for 10.3.x and earlier? If not, is there a way to customize the DST rules?
About Daylight Saving Time changes in 2007 (Covers all OSs)
http://docs.info.apple.com/article.html?artnum=305056
Cheers, Tom -
Hi,
I'm using instantclient-basic-solaris32-10.2.0.2. Does anyone know if I need to patch this client for the Daylight Saving Time change coming up?
Thanks.Hi,
Time zone and DST information are only used in TIMESTAMP WITH LOCAL TIME ZONE (TSLTZ) and TIMESTAMP WITH TIME ZONE (TSTZ) datatypes, and not for any other datatype. If TSLTZ or TSTZ types are not used there is no requirement to make any updates to the time zone rules.
For more information, you should read Metalink Doc ID 359145.1
More information, you can get here:
http://blogs.ittoolbox.com/database/technology/archives/changes-to-daylight-savings-time-in-2007-may-affect-your-databases-db2-oracle-and-others-13443
Cheers -
SCEP scheduled scan time problem with daylight-saving time?
Since the daylight-saving time change from last weekend (1 hour earlier) we see that a large group of SCEP clients start their scheduled scan at 11:00 where we have it set in the policy in SCCM2012 at 12:00.
Most workstations still begin their scan at 12:00.
Any idea?
Regards, BobI’m cleaning up old post, did you figure this out yet, if so what was the solution?
Garth Jones | My blogs: Enhansoft and
Old Blog site | Twitter:
@GarthMJ -
Upgrading Linux java 1.4.2 AMD 64 bit edition with Daylight Saving Time
I am running 64 bit version of Java 1.4.2 It is the linux blackdown version because at the time Sun did not support a 64 bit version. Now I would like to upgrade java to fix the possible problems with the Daylight Savings Time change.
I have tried the tzupdater tool released by Sun but it did not work on my 64 bit machine, stating it could not find any tzone data to update.
Next I looked into updating the JRE itself but it appears that Sun still does not offer a AMD 64 bit version for 1.4.2 linux. They only seem to have support for 64 bit in Java 5 and 6.
Any ideas as to my best migration path? Should I consider taking the plunge and upgrading straight to Java 6 - although this will require updating Tomcat also and possibly breaking many of the 3rd party jar files we have in use.
Message was edited by:
HattonMy OS configuration is identical to your (save for the graphics card) and I do not experience these issues at all. I run pop-up blockers, firewalls, etc., etc., myself, and even mess around extensively with my browser settings (for debugging my own development), and have only EVER experienced an apparent lock-up under one condition:
If an applet is signed, and pops up and dialog, OR if there is any other condition under which the PLUGIN displays a dialog box, and during this time your browser is no longer in focus, when you reactive the browser window, the dialog box does not appear in the front. What I'm saying is that there might be an active MODAL DIALOG box, but which is not being seen. These dialog boxes do not appear on the taskbar under windows (just like the calendar doesn't) but you can active it by using the Alt+Tab function of Windows. When I've experienced support calls regarding this sort of problem, I get the user to check Alt+Tab to check if there is a hidden dialog box (which is most often the case, since we used signed applets).
I'm also a little confused by your reference to http://www.giga-byte.com - this site doesn't even load an applet when I open it. -
Java 1.4 and Daylight Saving Time 2007
The current version of Java 1.4.2 for Tiger, 'Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_09-244)' does not handle the new 2007 Daylight Saving Time rules correctly. Will Apple be updating Java 1.4.2 to the version that does support 2007 DST correctly? (at least 1.4.2_11 is required per Sun, http://java.sun.com/developer/technicalArticles/Intl/USDST/).
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