This is ok but too sophisticated for my application, no?
Is there any simple way to perform a "simple refresh" of the TDS without
restart the tomcat server?
Ing. Claude DEROGNAT, PhD
ARIA TECHNOLOGIES SA
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De : thredds-bounces@xxxxxxxxxxxxxxxx [mailto:thredds-bounces@xxxxxxxxxxxxxxxx]
De la part de Ethan Davis
Envoyé : jeudi 23 février 2012 22:19
À : thredds@xxxxxxxxxxxxxxxx
Objet : Re: [thredds] Pb between OpenDap and THREDDS when netcdf file are
The version of the TDS running at http://web.aria.fr:443/thredds/ is several
years old (Version 4.0.26 - 20090831.2140). The current stable release is 4.2.9
(20111108.1758). You should probably upgrade as there have been lots of
The TDS does some dataset caching which can greatly improve the performance for
static datasets but causes some problems for dynamic datasets. The datasetScan
configuration construct you are using does not deal specifically with dynamic
datasets. A more recently introduced (in TDS 4.2) configuration construct,
featureCollection, can deal with dynamic datasets. Here's a link to the
Hope that helps,
On 2/22/2012 8:20 AM, Claude DEROGNAT wrote:
> I have used OpenDap and THREDDS server to provide netcdf data since à long
> I currently develop a system that will model plumes in real time.
> The model runs every 30 minutes. At the beginning of each day, it creates a
> result file then every 30 minutes the result file is overwritten with a new
> one containing the additional time frame.
> I observed a strange behavior between Opendap and THREDDS in this case:
> - The file is continuously updated in the OpenDap server.
> - The THREDDS catalog notices in the 'Dates' field that the file is
> updated (modified)
> - but the Access/OpenDap target file are not modified and the available
> time frame stay the same since the last tomcat reboot. May I have to perform
> any modification in the thredds configuration ? A attached you my
> threddsConfig.xml file...
> Ing. Claude DEROGNAT, PhD
Claude also wrote:
> My IT said that the file I send you is an old one. My problem is
> probably link to my THREEDS catalog. The question is so probably to
> threeds mailing list. I send them my question on Monday just after
> your message and I still have no response back ...
> So, I send you my catalog if you can have a look to it you may find
> why there a mismatch between
> For instance,
> why the second is continuously updated but doesn't allow the access to
> the whole set of variables stored in NetCdf file.
> Why the first one are not continuously updated even if the date in the
> threeds catalogs presentation always mentioned the right modified time
> <service name="multiService" base="" serviceType="compound">
> <service name="ncdods" serviceType="OPENDAP" base="/thredds/dodsC/" />
> <service name="httpService" serviceType="HTTPServer"
> base="/thredds/fileServer/" />
> <service name="wcsService" serviceType="WCS" base="/thredds/wcs/" />
> <datasetScan name="CF_CHIMERE_@YYYYMMDD@_d01.nc"
> <lexigraphicByName increasing="false"/>
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