[netcdf-java] Issue directly accessing an ERDDAP dataset from Java application after upgrading netcdf from v4.x to 5.5.2 / 5.5.3

["Paganetti, Robert D CIV USN NUWC DIV NEWPORT RI (USA)" <robert.d.paganetti.civ@xxxxxxxxxxx>]

Hi,

I started seeing this issue when I upgraded netcdf from v4.x to 5.5.2, and I 
wanted to ask if you might have any ideas as to what is causing this.

With cdm v4.x, the following worked as intended:

NetcdfFile nc = 
NetcdfDataset.openFile(https://coastwatch.pfeg.noaa.gov/erddap/griddap/NCEP_Global_Best,
 null);

After upgrading the dependencies to 5.5.3 (cdm-core and opendap), the above 
line is deprecated (but still produces the same error as below). I changed to 
the following in line with the API update:

NetcdfFile nc = 
NetcdfDatasets.openFile(https://coastwatch.pfeg.noaa.gov/erddap/griddap/NCEP_Global_Best,
 null);

With both lines, I get the following error:

java.io.IOException: Unknown service type: OPENDAP 
at ucar.nc2.dataset.NetcdfDatasets.openProtocolOrFile(NetcdfDatasets.java:450)
at ucar.nc2.dataset.NetcdfDatasets.openFile(NetcdfDatasets.java:347)
at ucar.nc2.dataset.NetcdfDatasets.openFile(NetcdfDatasets.java:320)

I also tried removing the individual component dependencies and just using 
netcdfAll 5.5.2, but am seeing the same exception. NetcdfDatasets.openDataset() 
is also producing the same exception.

I might be missing something entirely, but any thoughts or ideas on this would 
be greatly appreciated - thanks very much!

Drew

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