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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
> Full Name: Felisha Lawrence > Email Address: address@hidden > Organization: Howard University > Package Version: 4.0u1 build date:2013-03-29 18:10 UTC > Operating System: Mac OS X > Hardware: Java: home: > /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home version: > 1.6.0_37 j3d:1.5.2 fcs (build4) > Description of problem: There was an error loading the data: > java.lang.NullPointerException > Hello, > I am getting the above error when trying to use NEXRAD Level 11 Radar files > from 2012. The files were downloaded directly from NCDC to this hard drive. > Please advise. > > Regards, > Felisha Lawrence HI Felisha, I need you to upload a sample file here, so I can check out the issue you ran into. http://motherlode.ucar.edu/repository/alias/idvupload Yuan > > ****************** > Stack trace: > java.lang.NullPointerException > at ucar.unidata.data.radar.CDMRadarAdapter.init(CDMRadarAdapter.java:323) > at ucar.unidata.data.radar.CDMRadarAdapter.<init>(CDMRadarAdapter.java:211) > at > ucar.unidata.data.radar.CDMRadarDataSource.makeRadarAdapter(CDMRadarDataSource.java:669) > at ucar.unidata.data.radar.RadarDataSource$1.run(RadarDataSource.java:298) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:273) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:245) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:212) > at > ucar.unidata.data.radar.RadarDataSource.makeAdapters(RadarDataSource.java:320) > at > ucar.unidata.data.radar.RadarDataSource.getAdapters(RadarDataSource.java:252) > at > ucar.unidata.data.radar.RadarDataSource.getRadarAdapters(RadarDataSource.java:637) > at > ucar.unidata.data.radar.CDMRadarDataSource.doMakeDataChoices(CDMRadarDataSource.java:393) > at ucar.unidata.data.DataSourceImpl.getDataChoices(DataSourceImpl.java:1852) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1599) > 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.Level2RadarChooser.selectFilesInner(Level2RadarChooser.java:254) > 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(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at ucar.unidata.util.Misc$2.run(Misc.java:1221) > at ucar.unidata.util.Misc$3.run(Misc.java:1249) > > > Ticket Details =================== Ticket ID: TVX-625968 Department: Support IDV Priority: Normal Status: Open