Hello Ashwin, Are you able to load the generated core file into gdb? If so, that may provide some information about what is crashing and where. Besides this, answering the following questions may help narrow down what is going on: 1. Can you open other netcdf files without a core dump? 2. Can you read this file with the `ncdump` command-line command, or other netCDF-aware programs? It sounds like the file may be corrupt, but we should be able to figure that out. If the file is relatively small, can you provide a copy of it for me to look at? -Ward Also, appending data to an existing netCDF file is possible. Adding data to an existing variable requires that the variable have an "unlimited" dimension, and that the data be added along that dimension. Appending new metadata or additional new variables can be significantly more efficient with a netCDF-4 file. --Russ > Hello , > I am getting core dumps when I am reading in a netcdf file > using netcdf fortran 4.4.0. My compiler is ifort. Can you give me some > clues to help me debug this problem ? > When I turn on gdb and run it I get a message saying end of file reached. > > Regards, > Ashwin. > > > When I go to this site - I get 503 Service Temporarily available - > https://www.unidata.ucar.edu/mailing_lists/archives/netcdfgroup/2013/msg00357.html > > If I had an existing file and I have to append data to an existing NETCDF > dataset is there a problem with doing that ? > > address@hidden> wrote: > > > > > ashwinD12 ., > > > > Your Ticket has been received, and a Unidata staff member will review it > > and reply accordingly. Listed below are details of this new Ticket. Please > > make sure the Ticket ID remains in the Subject: line on all correspondence > > related to this Ticket. > > > > Ticket ID: SPN-205342 > > Subject: Netcdf with ifort > > Department: Support netCDF > > Priority: Normal > > Status: Open > > > > > > > > The NetCDF libraries are developed at the Unidata Program Center, > > in Boulder, Colorado, funded primarily by the National Science Foundation. > > > > All support requests are handled by the development team. No dedicated > > support staff are funded at this time. For this reason we cannot guarantee > > response times, nor that we can resolve every support issue, although we > > do our best to respond within 72 hours. > > > > It is in the nature of support requests that the same question is asked > > many > > times. We urge you to search the support archives for material relating to > > your support request: > > > > http://www.unidata.ucar.edu/search.jsp?support&netcdf > > > > If you are having trouble building netCDF, please take a look at the > > "Building NetCDF" page: > > > > http://www.unidata.ucar.edu/software/netcdf/docs/building.html > > > > or the (unfortunately somewhat out-of-date) NetCDF Build Troubleshooter > > page: > > > > http://www.unidata.ucar.edu/software/netcdf/docs/troubleshoot.html > > > > Windows users should see the FAQ list: > > > > http://www.unidata.ucar.edu/software/netcdf/docs/faq.html#windows_netcdf4_2 > > > > Complete documentation (including a tutorial, and sample programs in C, > > Fortran, > > Java, and other programming languages) can be found on the netCDF > > Documentation page: > > > > http://www.unidata.ucar.edu/software/netcdf/docs/ > > http://www.unidata.ucar.edu/software/netcdf/examples/programs/ > > > > If you resolve your issue through one of these methods, please send a > > reply to > > this email, letting us know that you no longer need support. This will help > > us spend more time on netCDF development. > > > > Best regards, > > > > Unidata User Support > > > > > > Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: SPN-205342 Department: Support netCDF Priority: Normal Status: Closed
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