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From "Jeffrey Janner" <Jeffrey.Jan...@PolyDyne.com>
Subject RE: Disable class monitoring for reloading container classes
Date Wed, 13 Oct 2010 22:19:41 GMT
That was me in another thread.  Here's what I stated:

"It just occurred to me that I don't think anyone's asked if these are net-mounted file systems.
 I've seen this timestamp-shifting before, but only on net-mounted filesystems.  Usually the
source and local systems are set to different timezones (or DST settings)."

Jeff

> -----Original Message-----
> From: Christopher Schultz [mailto:chris@christopherschultz.net]
> Sent: Wednesday, October 13, 2010 1:21 PM
> To: Tomcat Users List
> Subject: Re: Disable class monitoring for reloading container classes
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Jane,
> 
> On 10/13/2010 1:40 PM, Jane Muse wrote:
> > Thanks for the java program Chris, I ran it on the version of the O/S
> > where we get the problem and got results that show a last modified
> > date that differs by one hour when the time changes due to DST.
> >
> > Current GMT time (no DST): 2010-10-12 22:53:27 GMT
> >  Current local time (with DST): 2010-10-12 15:53:28 PDT
> >  File [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar]
> >  last modified timestamp: 1231267693000
> >  the file was last modified 55656315 seconds ago
> >  last modified as GMT time (no DST): 2009-01-06 18:48:13 GMT
> >  last modified as local time: 2009-01-06 10:48:13 PST
> >
> > Change date to: 03/13/10
> >
> > java com.aldon.lifetime.permissions.test.TimeChange
> '/Aldon/Aldonls/tomcat20/lib/servlet-api.jar'
> > Current GMT time (no DST): 2010-03-13 23:55:24 GMT
> > Current local time (with DST): 2010-03-13 15:55:24 PST
> > File [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar]
> > last modified timestamp: 1231271293000
> > the file was last modified 37253231 seconds ago
> > last modified as GMT time (no DST): 2009-01-06 19:48:13 GMT
> > last modified as local time: 2009-01-06 11:48:13 PST
> >
> > IBM has said they'll open a discussion with their development team
> > and try to get a fix out.
> 
> Someone had a suggestion about the use of NFS. Are you using a remote
> filesystem that might be mutating the file timestamps?
> 
> - -chris
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> 
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