Re: [thredds] Bad chunk sizes error with netcdf4 & ncss

  • To: sarms@xxxxxxxx
  • Subject: Re: [thredds] Bad chunk sizes error with netcdf4 & ncss
  • From: Thomas Cook <tmcook@xxxxxxxx>
  • Date: Wed, 15 Aug 2018 17:45:28 -0700
Thanks Sean.
I swear it was working before, but I'm not 100% sure I checked it after
updating to the latest release. It looks like the container has netcdf
library version 4.4.1 of Jan 29 2018.
Tom

On Wed, Aug 15, 2018 at 3:49 PM Sean Arms <sarms@xxxxxxxx> wrote:

> Greetings Tom!
>
> I'm not sure which version of netCDF-C the docker image uses, so that
> might be an issue (Julien, do you know off the top of your head)?. More
> likely is that there is a bug related to netCDF-4 file writing in the
> netCDF-Java library, which relies on the netCDF-C library underneath. When
> you switch to accept=netcdf, you are then using a pure java netCDF file
> writer to produce a netCDF-3 file, and so the problematic code path isn't
> used. Dennis - any ideas?
>
> Cheers,
>
> Sean
>
>
> On Sun, Aug 12, 2018 at 12:00 PM Thomas Cook <tmcook@xxxxxxxx> wrote:
>
>> HI
>> I'm having an issue with Netcdf Subset and Netcdf4
>> For instance, when I do the following
>>
>> http://hfrnet-tds.ucsd.edu/thredds/ncss/HFR/USWC/6km/hourly/RTV/HFRADAR_US_West_Coast_6km_Resolution_Hourly_RTV_best.ncd?var=u&var=v&north=35&west=-120&east=-116&south=31&horizStride=1&time=2018-08-12T15%3A00%3A00Z&addLatLon=true&accept=netcdf4
>>
>> I get
>>
>> NetCDF: Bad chunk sizes. nc_def_var_chunking on variable u
>>
>> If I replace "accept=netcdf" in the above URL, I get a valid dataset and
>> all is good.
>>
>> I'm using the thredds-docker Version 4.6.12-SNAPSHOT -
>> 2018-01-26T10:29:32+0000 image and not quite sure the best way at
>> troubleshooting this.
>>
>> Thanks
>> Tom
>>
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