Hello everyone, 
Let me start be giving you the current status of my installation progress. I 
have installed on a Ubuntu 16.04 machine with openjdk version 1.8.0_151 the 
Geoserver 2.12.2 using the Jetty server.I have successfully installed the WPS, 
importer and geomesa-accumulo extentions.I am currently trying to install the 
NetCDF extention.I have downloaded the correct jar for the GeoServer version, 
added them to the lib folder in the geoserver_path/webapps/geoserver/WEB-INF 
and I can see the NetCDF option under Create new data source->Raster data 
source-> NetCDF.
I have also tried, but apparently failed, to install the NetCDF-4 native 
libraries as I need to import NetCDF-4 data files. I have followed the 
instruction 
http://docs.geoserver.org/stable/en/user/extensions/netcdf-out/nc4.html but 
upon starting the GeoServer I get the error:
WARN [serverStartup] - Nc4Iosp: NetCDF-4 C library not present 
(jna_path='/usr/local/lib/', libname='netcdf').
Please note that the jna_path is not null, as it is implied in the installation 
instructions, in the error that I get, however it is not set by me and running 
echo $jna_path from the same terminal, before and after starting the GeoServer 
returns the expected null.I think that the error might come from step 5 in the 
installation instructions where it say "Make sure to add the lib folder of the 
package you have extracted, to the PATH environment variable."I am not sure to 
which extracted package is referred, given that none of the zlib, hdf5 and 
NetCDF-4 downloads include a lib folder. What I did instead was add the lib 
folder of my installation directory, based on the example 
/work/libs/nc4libs/lib, to the PATH environment.I have also tried to install 
the NetCDF-4 library at the /usr/local/lib/ path but that didn't change the 
behavior.
Any help and ideas of what might cause such error are highly appreciated. If 
you need any additional information please let me.
Thank you very much for you time, Maria.
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