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Re: daylight saving time problem
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Re: daylight saving time problem


  • Subject: Re: daylight saving time problem
  • From: Ken Anderson <email@hidden>
  • Date: Fri, 26 Jan 2007 23:12:38 -0500

Worked great - thanks Ray!

On Jan 26, 2007, at 8:16 PM, Chuck Hill wrote:

http://worldofwebobjects.blogspot.com/


On Jan 26, 2007, at 5:13 PM, Ken Anderson wrote:

Sorry Ray, but I no longer have the project you posted. Can I download it somewhere?

On Jan 26, 2007, at 6:38 PM, Ray Kiddy wrote:


On Jan 26, 2007, at 2:45 PM, Ken Anderson wrote:

Is there a reasonable solution for this yet? I'm running java 1.5.0_06, which sun claims is compatible with the new daylight saving time change, but it is not. How can I get this fixed? I'm on OS X 10.4.8.

Ken

I had hoped the information I gave was close to a reasonable solution. :-) I guess not.


Did you try to update the JavaFoundation.framework? Which copy or copies of it? Was the update operation successful? In other words, did you still have a loadable frameworks at the end?

If so, did it then still show you the wrong information for the 2007 DST switch?

If you can explain what symptoms you are seeing and what you have tried, I can say more.

There are symptoms I heard of that I cannot reproduce, so if you have more info, anything would be appreciated.

If by "reasonable solution", you mean has Apple shipped an update yet, I think that they have not.

- ray



On Jan 17, 2007, at 2:06 AM, Ray Kiddy wrote:


Somehow, it happened. I tried to make the point about fixing the zoneinfo.zip file in JavaFoundation in as simple a manner as I could. Less opportunity for mistakes, right? Wrong. :-)


I found two problems. One was my bad and the other was a bug, I think, that has been hanging around NSTimeZone for quite a while. I am much less able to find existing bug reports these days.

The first problem is that there are files in the /usr/share/ zoneinfo file that do not represent time zones. They needed to be filtered out of the zip task.

The second problem is that if one goes through the list of available IDs for available time zones, some of the them fail. I was calling toString() on them and got an NPE. Not good.

The offending time zone IDs are:

	Asia/Riyadh87
	Asia/Riyadh88
	Asia/Riyadh89
	Mideast/Riyadh87
	Mideast/Riyadh88
	Mideast/Riyadh89

The "Asia/Riyadh" time zone works, but none of these other do. I think this is an existing bug, though. I just sounds too familiar.

It turns out the solution to both problems is to filter this stuff out of the zip file.

So, I am updating the project I posted. The fixFoundation target, with the excludes on the zip task, will now look like this:

<target name="fixFoundation">
<tempfile property="temp" />
<mkdir dir="${temp}" />
<unjar src="${jarfile}" dest="${temp}" />
<delete quiet="true" file="${temp}/com/webobjects/ foundation/TimeZoneInfo/zoneinfo.zip" />
<zip destfile="${temp}/com/webobjects/foundation/ TimeZoneInfo/zoneinfo.zip" basedir="${zoneInfoDir}" excludes="*.tab,**/Riyadh87,**/Riyadh88,**/Riyadh89,**/\ +VERSION" />
<move file="${jarfile}" tofile="${jarfile}_bak" />
<jar basedir="${temp}" destfile="${jarfile}" />
<delete quiet="true" dir="${temp}" />
</target>


And while we are in the neighborhood, I found out that people may have more copies of the zoneinfo.zip file hanging about.

I am working with a clean install. If you have an upgraded install, you may have copies of the file that are not being used, but have not been removed.

Here is my original list:

/System/Library/Frameworks/JavaFoundation.framework/Resources/ Java/javafoundation.jar
/Library/WebObjects/lib/JavaFoundation.jar (2 copies, one for WebServerResources and one for Resources)
/Library/WebServer/Documents/WebObjects/Java/com/webobjects/ foundation/TimeZoneInfo/zoneinfo.zip (not in a jar file, actually)
/Library/WebServer/Documents/WebObjects/Java/wojavaclient.jar


Here is an expanded list:

/System/Library/Frameworks/JavaFoundation.framework/Resources/ Java/javafoundation.jar
/System/Library/Frameworks/JavaFoundation.framework/ WebServerResources/Java/JavaFoundation.jar
/System/Library/Frameworks/JavaFoundation.framework/ WebServerResources/Java/com/webobjects/foundation/TimeZoneInfo/ zoneinfo.zip
/System/Library/Frameworks/JavaEODistribution.framework/ Versions/A/WebServerResources/Java/wojavaclient.jar
/System/Library/WebObjects/WODocumentRoot/WebObjects/Java/ JavaFoundation.jar
/System/Library/WebObjects/WODocumentRoot/WebObjects/Java/ wojavaclient.jar
/System/Library/WebObjects/WODocumentRoot/WebObjects/Java/com/ webobjects/foundation/TimeZoneInfo/zoneinfo.zip
/System/Library/Java/wojavaclient.jar
/Library/WebObjects/lib/JavaFoundation.jar
/Library/WebServer/Documents/WebObjects/Java/JavaFoundation.jar
/Library/WebServer/Documents/WebObjects/Java/wojavaclient.jar
/Library/WebServer/Documents/WebObjects/Java/com/webobjects/ foundation/TimeZoneInfo/zoneinfo.zip


Yikes!

- ray


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References: 
 >So little time, so many mistakes to be made... (From: Ray Kiddy <email@hidden>)
 >Re: daylight saving time problem (From: Ken Anderson <email@hidden>)
 >Re: daylight saving time problem (From: Ray Kiddy <email@hidden>)
 >Re: daylight saving time problem (From: Ken Anderson <email@hidden>)
 >Re: daylight saving time problem (From: Chuck Hill <email@hidden>)

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