Re: [thredds] Calling ToolsUI webstart application

• To: John Caron <caron@xxxxxxxxxxxxxxxx>
• Subject: Re: [thredds] Calling ToolsUI webstart application
• From: Nathan Potter <npotter@xxxxxxxxxxx>
• Date: Sun, 15 Apr 2012 17:10:44 -0700

John,

I stoked that you're changing this, but I think there may some issues. I tried 
the file as listed here:

> http://www.unidata.ucar.edu/projects/THREDDS/tech/tds4.2/reference/Viewers.html#embedding

And I got:

com.sun.deploy.net.FailedDownloadException: Unable to load resource: 
http://www.unidata.ucar.edu/software/netcdf-java/current/webstart/netcdfToolsExtraJars.jnlp
        at 
com.sun.deploy.net.DownloadEngine.actionDownload(DownloadEngine.java:1416)
        at 
com.sun.deploy.net.DownloadEngine.getCacheEntry(DownloadEngine.java:1569)
        at 
com.sun.deploy.net.DownloadEngine.getCacheEntry(DownloadEngine.java:1547)
        at 
com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(DownloadEngine.java:1654)
        at 
com.sun.deploy.net.DownloadEngine.getCachedFile(DownloadEngine.java:661)
        at 
com.sun.javaws.LaunchDownload.downloadExtensionsHelper(LaunchDownload.java:711)
        at 
com.sun.javaws.LaunchDownload.downloadExtensions(LaunchDownload.java:654)
        at com.sun.javaws.Launcher.prepareLaunchFile(Launcher.java:702)
        at com.sun.javaws.Launcher.prepareAllResources(Launcher.java:592)
        at com.sun.javaws.Launcher.prepareToLaunch(Launcher.java:335)
        at com.sun.javaws.Launcher.prepareToLaunch(Launcher.java:207)
        at com.sun.javaws.Launcher.launch(Launcher.java:124)
        at com.sun.javaws.Main.launchApp(Main.java:451)
        at com.sun.javaws.Main.continueInSecureThread(Main.java:283)
        at com.sun.javaws.Main$1.run(Main.java:116)
        at java.lang.Thread.run(Thread.java:680)


Here's my JNLP:

<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="1.0+" 
codebase="http://www.unidata.ucar.edu/software/netcdf-java/current/webstart";>

   <information>
     <title>NetCDF Tools UI</title>
     <vendor>Unidata</vendor>
     <homepage href="http://www.unidata.ucar.edu/software/netcdf-java/"/>
     <description kind="short">GUI interface to netCDF-Java / Common Data 
Model</description>
     <icon href="nc.gif"/>
     <offline-allowed/>
   </information>

   <security>
     <all-permissions/>
   </security>

  <resources>
   <j2se version="1.6+" max-heap-size="1024m"/>
   <jar href="netcdfUI.jar"/>
   <extension name="netcdfUI Extra" href="netcdfToolsExtraJars.jnlp"/>
   </resources>

   <application-desc main-class="ucar.nc2.ui.ToolsUI">
     <argument>{catalogURL}#{datasetID}</argument>
   </application-desc>
</jnlp>



Nathan




On Apr 15, 2012, at 4:58 PM, John Caron wrote:

> Hi Nathan:
> 
> We have changed the way applications like Hyrax can call the ToolsUI webstart 
> application, in order to insulate from changes in the webstart jnlp file.
> 
> We are using IDV style JNLP files, and using a "current" directory that we 
> can switch when needed without breaking other applications.
> 
> Details are here:
> 
> http://www.unidata.ucar.edu/projects/THREDDS/tech/tds4.2/reference/Viewers.html#embedding
> 
> This can be used now, let me know if you see any problems.
> 
> Thanks for the suggestion!
> 
> John.
> 
> 
> On 3/15/2012 1:04 PM, Nathan Potter wrote:
>> 
>> Greetings
>> 
>> I have some questions regarding the way that IDV and ToolsUI are deployed 
>> via webstart. I have been caching the prototype .jnlp files in my 
>> distribution and modifying the arguments as needed on a per request basis. 
>> This implementation lacks flexibility when the application host site 
>> upgrades to a newer version (and removes the older one). I see that on 
>> motherlode the IDV jnlp bundle now references a "current" version of the 
>> codebase (http://www.unidata.ucar.edu/software/idv/current/webstart)  and 
>> that the resources (jar files) are loaded based on content held at the 
>> application site:
>> http://www.unidata.ucar.edu/software/idv/current/webstart/IDV/idvbase.jnlp
>> 
>> This seem like a much more flexible plan. Is it something that will also be 
>> done for NetCDF-ToolsUI?
>> 
>> Alternatively, someone pointed me at the way that AutoPlot handles it's jnlp 
>> generation. They host the application files and a cgi that you pass the 
>> arguments to as part of the query string, it hands back a JNLP with the 
>> arguments filled out and pointing to their most recent version  of the 
>> AutoPlot application.
>> 
>> http://autoplot.org/jnlp.cgi?uri=http://cdaweb.gsfc.nasa.gov/sp_phys/data/fast/acf/1998/fa_k0_acf_19980102_v01.cdf
>> 
>> Any thoughts about this?
>> 
>> 
>> Thanks,
>> 
>> Nathan
>> 
>> 
>> 
>> = = =
>> Nathan Potter                        ndp at opendap.org
>> OPeNDAP, Inc.                        +1.541.231.3317
>> 
>> 
>> 
>> 
>> _______________________________________________
>> thredds mailing list
>> thredds@xxxxxxxxxxxxxxxx
>> For list information or to unsubscribe,  visit: 
>> http://www.unidata.ucar.edu/mailing_lists/
> 

= = =
Nathan Potter                        ndp at opendap.org
OPeNDAP, Inc.                        +1.541.231.3317

• Follow-Ups:
  • Re: [thredds] Calling ToolsUI webstart application
    • From: John Caron

• References:
  • [thredds] NetCDF-ToolsUI, IDV
    • From: Nathan Potter
  • [thredds] Calling ToolsUI webstart application
    • From: John Caron