[IDV #KBE-748663]: NullPointer exception in IDV

> Aha, thank you for letting me know.
> 
> Ryland

Hi Ryland,

The nightly release (5.5u1) should have the fix for this bug, please give it a 
try.


Yuan
> 
> -----Original Message-----
> From: Unidata IDV Support <address@hidden>
> Sent: Thursday, June 14, 2018 12:21 PM
> To: Newman, Ryland <address@hidden>
> Cc: address@hidden
> Subject: [IDV #KBE-748663]: NullPointer exception in IDV
> 
> > Hi Yuan,
> >
> > In proceeding down the route you suggested, I run into the same error:
> > java.lang.NullPointerException
> > at
> > ucar.nc2.dataset.transform.Geostationary.makeCoordinateTransform(Geost
> > ationary.java:179)
> >
> > Perhaps there is a plugin I must install for IDV to view Cloud Moisture 
> > Imagery?
> >
> 
> Ok, I can verify this is a bug in our netcdf library. We will try to find a 
> solution asap.
> 
> Yuan
> > -----Original Message-----
> > From: Unidata IDV Support <address@hidden>
> > Sent: Wednesday, June 13, 2018 4:01 PM
> > To: Newman, Ryland <address@hidden>
> > Cc: address@hidden
> > Subject: [IDV #KBE-748663]: NullPointer exception in IDV
> >
> > > Hello,
> > >
> > > My name is Ryland Newman and I am with CARR Astronautics. We are
> > > interested in using IDV to visualize L2 CMI products from the GOES
> > > 16 satellite.
> >
> > Hi Ryland,
> >
> > I am not able to connect to the url you provided.
> >
> > We do have some L2  test data available and can be loaded and display in 
> > the IDV:
> >
> > http://thredds-test.unidata.ucar.edu/thredds/catalog/satellite/goes16/
> > GRB16/catalog.xml
> >
> > load this to the catalog entry, and go from there.
> >
> >
> > Yuan
> > >
> > > I have downloaded an example file from
> > >
> > > https://www.ncei.noaa.gov/data/goes-r-series-l2-cloud-and-moisture-i
> > > ma gery-products/access/conus/2017/235/
> > >
> > > for my testing.
> > >
> > > In following the Beginner's Guide I have gone to Data Choosers and
> > > located the downloaded netCDF file on my disk, however when I go to
> > > Add Source I receive the following NullPointer exception:
> > >
> > > java.lang.NullPointerException
> > > at
> > > ucar.nc2.dataset.transform.Geostationary.makeCoordinateTransform(Geo
> > > st
> > > ationary.java:179) at
> > > ucar.nc2.dataset.CoordTransBuilder.makeCoordinateTransform(CoordTran
> > > sB
> > > uilder.java:218) at
> > > ucar.nc2.dataset.CoordSysBuilder.makeCoordinateTransforms(CoordSysBu
> > > il
> > > der.java:985) at
> > > ucar.nc2.dataset.CoordSysBuilder.buildCoordinateSystems(CoordSysBuil
> > > de
> > > r.java:577) at
> > > ucar.nc2.dataset.NetcdfDataset.enhance(NetcdfDataset.java:475)
> > > at ucar.nc2.dataset.NetcdfDataset.<init>(NetcdfDataset.java:1462)
> > > at
> > > ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:433)
> > > at
> > > ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:528
> > > ) at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:117)
> > > at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:103)
> > > at
> > > ucar.unidata.data.grid.GeoGridDataSource.doMakeDataSet(GeoGridDataSo
> > > ur
> > > ce.java:1201) at
> > > ucar.unidata.data.grid.GeoGridDataSource.getDataset(GeoGridDataSource.
> > > java:1223) at
> > > ucar.unidata.data.grid.GeoGridDataSource.initAfterCreation(GeoGridDa
> > > ta
> > > Source.java:514) at
> > > ucar.unidata.data.DataManager.createDataSource(DataManager.java:1612
> > > )
> > > at
> > > ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDat
> > > aV
> > > iewer.java:1978) at
> > > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataV
> > > ie
> > > wer.java:1895) at
> > > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataV
> > > ie
> > > wer.java:1829) at
> > > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataV
> > > ie
> > > wer.java:1802) at
> > > ucar.unidata.idv.chooser.IdvChooser.makeDataSource(IdvChooser.java:9
> > > 43
> > > ) at
> > > ucar.unidata.idv.chooser.FileChooser.selectFilesInner(FileChooser.ja
> > > va
> > > :659) at
> > > ucar.unidata.idv.chooser.FileChooser.selectFiles(FileChooser.java:52
> > > 8)
> > > at
> > > ucar.unidata.idv.chooser.FileChooser.doLoadInThread(FileChooser.java
> > > :5
> > > 50) at sun.reflect.GeneratedMethodAccessor80.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:1215)
> > > at ucar.unidata.util.Misc$3.run(Misc.java:1243)
> > >
> > >
> > > I receive this error both when selecting "I'm feeling lucky" for the
> > > Data Source Type, as well as when I select what should be the
> > > correct data type: "Grid files (netCDF/GRIB/OpenDap/GEMPAK)"
> > >
> > > I was wondering if you might have any guidance on how I might
> > > resolve this issue. Thanks for any help you are able to offer!
> > >
> > > Sincerely,
> > >
> > > Ryland Newman
> > >
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: KBE-748663
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> > ===================
> > NOTE: All email exchanges with Unidata User Support are recorded in the 
> > Unidata inquiry tracking system and then made publicly available through 
> > the web.  If you do not want to have your interactions made available in 
> > this way, you must let us know in each email you send to us.
> >
> >
> >
> 
> 
> Ticket Details
> ===================
> Ticket ID: KBE-748663
> Department: Support IDV
> Priority: Normal
> Status: Open
> ===================
> NOTE: All email exchanges with Unidata User Support are recorded in the 
> Unidata inquiry tracking system and then made publicly available through the 
> web.  If you do not want to have your interactions made available in this 
> way, you must let us know in each email you send to us.
> 
> 
> 


Ticket Details
===================
Ticket ID: KBE-748663
Department: Support IDV
Priority: Normal
Status: Closed
===================
NOTE: All email exchanges with Unidata User Support are recorded in the Unidata 
inquiry tracking system and then made publicly available through the web.  If 
you do not want to have your interactions made available in this way, you must 
let us know in each email you send to us.