Re: [netcdfgroup] Not a valid CDM file

• To: netcdfgroup@xxxxxxxxxxxxxxxx
• Subject: Re: [netcdfgroup] Not a valid CDM file
• From: Dennis Heimbigner <dmh@xxxxxxxx>
• Date: Sat, 22 Nov 2014 15:07:28 -0700

ok, I have encountered this problem
before.

Basically, the jar file that you are using
must contain ucar.nc2.grib.collection.Grib2Iosp.class.

=Dennis Heimbigner
 Unidata

Vineet Ghatge Hemantkumar wrote:

Hello All,

I am trying to pass a InputStream of a grib file to the function
*netcdf.openinmemory()
*but it fails with following error

Caused by: java.io.IOException: Cant read : not a valid CDM file.
at ucar.nc2.NetcdfFile.open(NetcdfFile.java:811)
at ucar.nc2.NetcdfFile.openInMemory(NetcdfFile.java:728)

If I change the netcdf to netcdf.open() and pass the file name it works
well.

1. Will the openinmemory() work only for .nc files only?
2. What are options in netcdf to read inputstreams? My aim to is to make
code independent of filenames or any other specific configurations?

Regards,
vineet



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    • From: Vineet Ghatge Hemantkumar