This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Greetings Dawid! I see you are having problems opening a file in the IDV. What type of file is C:/Users/Start/Desktop/gfs.t12z.bf03? Is it netCDF, GRIB-I/II? Where did you obtain the file? Thanks! Sean > Full Name: dawid > Email Address: address@hidden > Organization: dom > Package Version: 3.0u2 build date:2012-02-10 17:21 UTC > Operating System: Windows 7 > Hardware: Java: home: C:\Program Files\Java\jre6 version: 1.6.0_24 j3d:1.5.2 > fcs (build4) > Description of problem: > > There was an error loading the data: > > Error creating data source:aggregated.wrfnetcdf.grid with: > C:\Users\Start\Desktop\gfs.t12z.bf03 > Grid data source failed making data set: C:\Users\Start\Desktop\gfs.t12z.bf03 > Cant read C:/Users/Start/Desktop/gfs.t12z.bf03: not a valid CDM file. > > ****************** > Stack trace: > java.io.IOException: Cant read C:/Users/Start/Desktop/gfs.t12z.bf03: not a > valid CDM file. > at ucar.nc2.NetcdfFile.open(NetcdfFile.java:836) > at ucar.nc2.NetcdfFile.open(NetcdfFile.java:479) > at ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:696) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:424) > at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:520) > at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:101) > at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:87) > at > ucar.unidata.data.grid.GeoGridDataSource.doMakeDataSet(GeoGridDataSource.java:1094) > at > ucar.unidata.data.grid.GeoGridDataSource.getDataset(GeoGridDataSource.java:1116) > at > ucar.unidata.data.grid.GeoGridDataSource.initAfterCreation(GeoGridDataSource.java:478) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1577) > at > ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDataViewer.java:1980) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1897) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1831) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1804) > at ucar.unidata.idv.chooser.IdvChooser.makeDataSource(IdvChooser.java:943) > at ucar.unidata.idv.chooser.FileChooser.selectFilesInner(FileChooser.java:656) > at ucar.unidata.idv.chooser.FileChooser.selectFiles(FileChooser.java:525) > at ucar.unidata.idv.chooser.FileChooser.doLoadInThread(FileChooser.java:547) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > at java.lang.reflect.Method.invoke(Unknown Source) > at ucar.unidata.util.Misc$2.run(Misc.java:1062) > at ucar.unidata.util.Misc$3.run(Misc.java:1090) > > > Ticket Details =================== Ticket ID: MFM-697415 Department: Support IDV Priority: Normal Status: Open