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Hi Lucien, Can you tell me a little more about what you are trying to do? I don't recognize the class fr.shom.bdts.server.business.export.NetCdfGenerator, and I can't tell much from the stack trace you sent other than you tried to open a bad file, though I'm not sure why the failure isn't more graceful. If you give me a little more information, such as the file in question and a code snippet that generates the error, I'll be able to say more. Regards, Lansing Madry Unidata Boulder, Colorado > Hello > I am unable to use the library on a debian 7.1 *libnetcdf.so.7.2.0* > Here is the error message: > > Caused by: java.io.IOException: *-51*: NetCDF: Unknown file format > at ucar.nc2.jni.netcdf.Nc4Iosp.create(Nc4Iosp.java:1952) ~* > [netcdf-4.3.17.jar*:4.3.17] > at ucar.nc2.NetcdfFileWriter.create(NetcdfFileWriter.java:672) > ~[netcdf-4.3.17.jar:4.3.17] > at > fr.shom.bdts.server.business.export.NetCdfGenerator.generate(NetCdfGenerator.java:663) > ~[bdts.jar:na] > ... 1 common frames omitted > > > Code java : > ucar.nc2.jni.netcdf.Nc4Iosp.setLibraryAndPath("/usr/local/lib", "libnetcdf" > ); > NetcdfFileWriter dataFile = NetcdfFileWriter.createNew(Version.netcdf4, > this.tmpFile.getAbsolutePath()); > . > . > . > dataFile.create(); <== error > > > Thank you very much for your help > > Lucien > > Ticket Details =================== Ticket ID: LAN-151911 Department: Support netCDF Java Priority: Normal Status: Open