Time differential problem

Casartello, Thomas tcasartello at wsc.ma.edu
Thu Jul 17 00:18:00 UTC 2008


Well it says -0500 when you look at the tomcat logs and the logs for the proprietary cisco software. It looks like it grabs the time when the WCS daemons are started because if I change the system clock to a new timezone, it doesn’t take effect in WCS until I restart it. Also if I change to a timezone without DST then it syncs up with the system clock so it's definitely a DST issue. The only DST settings are for applying to Cisco devices that this software controls. Nothing about setting it for the WCS software itself. It's not a huge issue, if we just have to make a mental note that it won't do DST during DST then so be it.

Here's a snippet from the WCS's bundled tomcat log 207.159.169.231 - - [16/Jul/2008:19:13:34 -0500] "GET /webacs/alarmSummaryAction.do?command=summary&dojo.preventCache=1216253613682 HTTP/1.1" 200 417
207.159.169.231 - - [16/Jul/2008:19:14:35 -0500] "GET /webacs/alarmSummaryAction.do?command=summary&dojo.preventCache=1216253674344 HTTP/1.1" 200 417
207.159.169.231 - - [16/Jul/2008:19:15:35 -0500] "GET /webacs/alarmSummaryAction.do?command=summary&dojo.preventCache=1216253735024 HTTP/1.1" 200 417

Likewise here's from its bundled apache:
207.159.169.231 - - [16/Jul/2008:20:15:35 -0400] "GET /webacs/alarmSummaryAction.do?command=summary&dojo.preventCache=1216253735024 HTTP/1.1" 200 417
207.159.169.231 - - [16/Jul/2008:20:16:35 -0400] "GET /webacs/alarmSummaryAction.do?command=summary&dojo.preventCache=1216253795692 HTTP/1.1" 200 417

As you can see apache's doing -0400 hours whereas the tomcat's picking up -0500. Very strange indeed. 


Thomas E. Casartello, Jr.
Infrastructure Technician
Linux Specialist
Department of Information Technology
Westfield State College
Wilson 105-A
(413) 572-8245
E-Mail: tcasartello at wsc.ma.edu

Red Hat Certified Technician (RHCT)


-----Original Message-----
From: fedora-list-bounces at redhat.com [mailto:fedora-list-bounces at redhat.com] On Behalf Of Mikkel L. Ellertson
Sent: Wednesday, July 16, 2008 4:25 PM
To: For users of Fedora
Subject: Re: Time differential problem

Casartello, Thomas wrote:
> This is probably not the proper place to ask this. It’s more of just a 
> curiosity question just if anyone has any thoughts. I have a piece of 
> software (Cisco Wireless Control System) installed on a Fedora 9 box.
> The time on my box is correct (daylight savings time) but the time in 
> the WCS interface is wrong (It’s one hour slow. It’s obviously not 
> taking DST into account.) The software has a builtin apache server 
> where the timestamps in the logs are correct. The timestamp’s in the 
> apache TOMCAT logs are not correct (same as in the WCS interface.) It 
> seems to be heavily java based so maybe it’s a java issue.
> 
>  
> 
> If anyone has a thought, it’d be much appreciated,
> 
> Tom
> 
Is there any time zone setting in the Cisco program's configuration? 
It sounds like it may be using a fixed offset to UTC, instead of local system time, or a timezone with DST.

Mikkel
-- 

   Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!





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