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[IDV #AGS-820540]: IDV v2.9: Two questions

> 
> On Sep 14, 2010, at 10:00 AM, Unidata IDV Support wrote:
> 
> >> IDV supporter(s),
> >>
> >> I'm running IDV v2.9 (either a nightly update from sometime in the past 
> >> 3-4 months or the official release, depending the on the particular 
> >> computer I'm using). I'm running it under Mac OS X v10.6 (Snow Leopard).
> >>
> >> I have a question about JNLP files. I got the impression from reading the 
> >> Users Guide that opening a JNLP file will either start a locally installed 
> >> IDV if its the most current version, or download the most current version 
> >> from Unidata, before executing the plotting instructions in the file. 
> >> However, when I create and save a JNLP file using IDV v2.9, then open the 
> >> JNLP file, it causes IDV v2.9u1 do download and run before creating a 
> >> plot. This takes a fair bit of time that I'd like to avoid, and having the 
> >> current release version of the IDV installed (or a nightly update of it 
> >> since the official release) seems as if it should eliminate the IDV 
> >> download step, particularly since I think it's an older version of the IDV 
> >> that it downloads.
> >
> > Hi Dave,
> >     In the client side you can modify the JNLP to run the application 
> > offline, I think adding the following line:
> > <offline-allowed/>
> >
> > According to information I googled, if offline-allowed is specified, Java 
> > Web Start will also check to see if an update is available. However, if the 
> > application is already downloaded the check will timeout after a few 
> > seconds, in which case the cached application will be launched instead.
> >
> > Let me know if this is not the feature you are expecting.
> 
> Yuan,
> 
> I think I need a couple of points of clarification.
> 
> First, does Web Start ignore the version of the IDV that I've installed on my 
> 37 computers (in the case of my Macs, in /Applications) and use either a 
> version that Web Start downloads when I invoke it or that Web Start 
> downloaded and installed ("cached"?) earlier, whichever version is more 
> recent? If Web Start ignores the version that I've installed myself (in 
> /Applications), even if that happens to be the most recent version, then if I 
> want to take full advantage of JNLP files (for users of my 37 Macs and users 
> at home as well) I'd probably have to have two versions installed, one of 
> which is cached by Web Start and the other in /Applications for non-Web start 
> use.

The Web Start can not detect the version you installed in the normal case, it 
has its own hidden structure or cached structure. So you will likely have two 
most recent version installed in your machine.
> 
> Second, what is the most recent version of the IDV, anyhow? The IDV home 
> page, which appears to offer v2.9u1 as the current release, is dated May 27. 
> However, I downloaded v2.9 as a nightly release a couple of times sometime in 
> June, so I'm not sure which one I should be using. (If I can't get v2.9u1 to 
> work, it's a moot point, though.)

Sorry, it is my fault. The v2.9u1 is the most recent version. I just fixed the 
web page.

Yuan
> 
> -- Dave
> 
> ************************************************************
> *   Dr. Dave Dempsey                        |       ^   ___       \|/     *
> *   Dept. of Geosciences                    |  ) ^     /||_||\    --0--  *
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> 
> 
> 
> 


Ticket Details
===================
Ticket ID: AGS-820540
Department: Support IDV
Priority: Normal
Status: Open