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Thanks Ken, that helps make sense of it. On Mar 25, 2013, at 9:32 AM, Kenneth S. Casey - NOAA Federal wrote: > Nathan - the underlying data files are on both our TDS and our OPeNDAP Hyrax > server… the aggregation NCML currently points explicitly to the Hyrax service > endpoints. > > Thanks to Bob Simmons, we see that at least one specific file in the > aggregation is failing. We determined that it is because a version 2 of the > file replaced the version 2 pointed to by the aggregation. The newer file > has a "v02" in the file name instead of the "v01"… there may be more failures > but suspect this is at the root of our problem… simply failing to ensure that > our aggregation NCMLs are always pointing to the most up-to-date files and > file names. > > This failure explains why the data requests fail sometimes and not others… if > your requested time period doesn't include the updated files it works… if it > does then the request fails. > > > Ken > > > > On Mar 25, 2013, at 12:19 PM, Nathan Potter <ndp@xxxxxxxxxxx> wrote: > >> >> >> Li, >> >> It's odd this error you have. All of the source URL's are from an instance >> of the TDS, and work, at least to a certain extent. For example the second >> dataset's DDS can be seen with no problem here: >> >> >> http://data.nodc.noaa.gov/thredds/dodsC/testdata/ghrsst_ncml/fullAgg/aggregate__ghrsst_L4_GLOB_NCDC_AVHRR_AMSR_OI.ncml.dds >> >> Adding the constraint expression produces the correct result: >> >> http://data.nodc.noaa.gov/thredds/dodsC/testdata/ghrsst_ncml/fullAgg/aggregate__ghrsst_L4_GLOB_NCDC_AVHRR_AMSR_OI.ncml.dds?analysed_sst%5B0:1:1439%5D%5B360%5D%5B720%5D >> >> But the ASCII data request fails: >> >> http://data.nodc.noaa.gov/thredds/dodsC/testdata/ghrsst_ncml/fullAgg/aggregate__ghrsst_L4_GLOB_NCDC_AVHRR_AMSR_OI.ncml.ascii?analysed_sst%5B0:1:1439%5D%5B360%5D%5B720%5D >> >> (My requests for this URL time out with no response.) >> >> However the error you submitted: >> >>> Error { >>> code = 500; >>> message = " >>> http://data.nodc.noaa.gov/opendap/hyrax/ghrsst/L4/GLOB/NCDC/AVHRR_AMSR_OI/2003/348/20031214-NCDC-L4LRblend-GLOB-v01-fv01_0-AVHRR_AMSR_OI.nc.bz2 >>> is not a valid URL, return status=404"; >>> }; >>> >> >> is unrelated to the TDS in that the referenced dataset URL: >> http://data.nodc.noaa.gov/opendap/hyrax/ghrsst/L4/GLOB/NCDC/AVHRR_AMSR_OI/2003/348/20031214-NCDC-L4LRblend-GLOB-v01-fv01_0-AVHRR_AMSR_OI.nc.bz2 >> >> References a different dataset on an instance of a Hyrax server, not a TDS. >> >> I'm thinking there may be some copy/paste confusion happening that's mudding >> the waters here... >> >> >> Nathan >> >> >> >> On Mar 25, 2013, at 6:43 AM, Yuanjie Li - NOAA Affiliate wrote: >> >>> We are trying to pull out time series values in ASCII format through TDS. >>> >>> e.g. >>> http://data.nodc.noaa.gov/thredds/dodsC/testdata/ghrsst_ncml/fullAgg/aggregate__ghrsst_L4_GLOB_NCDC_AVHRR_AMSR_OI.ncml.ascii?analysed_sst[0:1:365][360][720] >>> >>> Worked fine.. >>> >>> But when we tried: >>> >>> http://data.nodc.noaa.gov/thredds/dodsC/testdata/ghrsst_ncml/fullAgg/aggregate__ghrsst_L4_GLOB_NCDC_AVHRR_AMSR_OI.ncml.ascii?analysed_sst[0:1:1439][360][720] >>> >>> we got: >>> >>> Error { >>> code = 500; >>> message = " >>> http://data.nodc.noaa.gov/opendap/hyrax/ghrsst/L4/GLOB/NCDC/AVHRR_AMSR_OI/2003/348/20031214-NCDC-L4LRblend-GLOB-v01-fv01_0-AVHRR_AMSR_OI.nc.bz2 >>> is not a valid URL, return status=404"; >>> }; >>> >>> Please advise us if this is a problem with our TDS server? >>> >>> The version of our server: TDS 4.2.9 >>> >>> Thanks in advance, >>> Li >>> _______________________________________________ >>> 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 >> >> >> >> >> _______________________________________________ >> 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
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