Hi,
In TDS version 4.2.5 - 20110302.2315 we would do aggregations with this
sort of ncml specification and things worked as we expected, but with
TDS Version 4.3.15 - 20121218.1126 when use the exact same catalog we get
the following error:
Error {
code = 500;
message =
"http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2.dailyavgs/pressure/air.1981.nc#1405627963
is not a valid URL, return status=400";
};
2013-01-10T12:01:00.718 -0800 [ 971459][ 22] ERROR -
thredds.server.opendap.OpendapServlet - path=
/Datasets/ncep.reanalysis2.dailyavgs/pressure/air_aggregation.html
java.io.IOException:
http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2.dailyavgs/pressure/air.1981.nc#1405627963
is not a valid URL, return status=400
at
ucar.nc2.dataset.NetcdfDataset.disambiguateHttp(NetcdfDataset.java:725)
at
ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:674)
at ucar.nc2.dataset.NetcdfDataset.acquireFile(NetcdfDataset.java:628)
at ucar.nc2.ncml.Aggregation$Dataset.acquireFile(Aggregation.java:634)
at
ucar.nc2.ncml.AggregationExisting.buildNetcdfDataset(AggregationExisting.java:74)
[...]
I know FMRC aggregations changed, but I thought something along the
lines of the catalog below would still work in 4.3. What's the right
way to do this sort of aggrgation in 4.3?
Roland
<?xml version="1.0" encoding="UTF-8"?>
<catalog xmlns="
http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0"
xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0.1">
<service name="compound" serviceType="compound" base="">
<service name="dods" base="/thredds/dodsC/" serviceType="OPeNDAP" />
</service>
<dataset name="pressure"
ID="PSDgriddedData/ncep.reanalysis2.dailyavgs/pressure">
<metadata inherited="true">
<dataType>GRID</dataType>
</metadata>
<dataset name="air" ID="
PSDgriddedData.ncep.reanalysis2.dailyavgs.pressure.air.1979.nc"
urlPath="Datasets/ncep.reanalysis2.dailyavgs/pressure/air_aggregation">
<documentation type="Notes" xlink:href="
http://www.esrl.noaa.gov/psd/thredds/catalog/Datasets/ncep.reanalysis2.dailyavgs/pressure/catalog.html"
xlink:title="Aggregated from catalog
http://www.esrl.noaa.gov/psd/thredds/catalog/Datasets/ncep.reanalysis2.dailyavgs/pressure/catalog.htmlstarting
with
http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2.dailyavgs/pressure"
/>
<property name="eastwestPropertyNumberOfPoints" value="144" />
<property name="eastwestResolution" value="2.5" />
<property name="eastwestStart" value="0.0" />
<property name="northsouthPropertyNumberOfPoints" value="73" />
<property name="northsouthResolution" value="2.5" />
<property name="northsouthStart" value="-90.0" />
<property name="updownValues" value="1000.0 925.0 850.0 700.0 600.0
500.0 400.0 300.0 250.0 200.0 150.0 100.0 70.0 50.0 30.0 20.0 10.0" />
<property name="hasZ" value="air" />
<property name="hasT" value="air" />
<property name="timeAxisUnits" value="hours since 1800-1-1 00:00:0.0"
/>
<property name="timeCoverageStart" value="1979-01-01 00:00:00Z" />
<property name="timeCoverageNumberOfPoints" value="12235" />
<timeCoverage>
<start>1979-01-01 00:00:00Z</start>
<end>1982-12-31 00:00:00Z</end>
</timeCoverage>
<geospatialCoverage zpositive="down">
<northsouth>
<start>-90.0</start>
<size>180.0</size>
<units>degrees_north</units>
</northsouth>
<eastwest>
<start>0.0</start>
<size>357.5</size>
<units>degrees_east</units>
</eastwest>
<updown>
<start>10.0</start>
<size>990.0</size>
<units>millibar</units>
</updown>
</geospatialCoverage>
<serviceName>compound</serviceName>
<metadata inherited="true">
<variables vocabulary="netCDF_contents">
<variable name="air" units="degK" vocabulary_name="Daily Air
Temperature on Pressure Levels" />
</variables>
</metadata>
<dataSize units="Mbytes">130.4</dataSize>
<date type="modified">2011-06-14 00:26:25Z</date>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2
">
<aggregation type="joinExisting" dimName="time">
<netcdf location="
http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2.dailyavgs/pressure/air.1979.nc"
ncoords="365" />
<netcdf location="
http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2.dailyavgs/pressure/air.1980.nc"
ncoords="366" />
<netcdf location="
http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2.dailyavgs/pressure/air.1981.nc"
ncoords="365" />
<netcdf location="
http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/ncep.reanalysis2.dailyavgs/pressure/air.1982.nc"
ncoords="365" />
</aggregation>
</netcdf>
</dataset>
</dataset>
</catalog>