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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Hi Raghavendra. Please tell us more about how you arrived at this error. What data were you trying to load? If it is your local data file, please upload it here: http://motherlode.ucar.edu/repository/alias/idvupload -Julien > Full Name: Raghavendra Ashrit > Email Address: address@hidden > Organization: NCMRWF, Govt of India > Package Version: 2.9 build date:2010-05-27 15:48 UTC > Operating System: Linux > Hardware: Java: home: /home/raghu/IDV_2.9/jre version: 1.6.0_20 j3d:1.5.2 fcs > (build4) > Description of problem: > > There was an error loading the data: > > java.lang.NullPointerException > > ****************** > 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:585) > at ucar.unidata.data.radar.RadarDataSource$1.run(RadarDataSource.java:293) > 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:315) > at > ucar.unidata.data.radar.RadarDataSource.getAdapters(RadarDataSource.java:247) > at > ucar.unidata.data.radar.RadarDataSource.getRadarAdapters(RadarDataSource.java:541) > at > ucar.unidata.data.radar.CDMRadarDataSource.doMakeDataChoices(CDMRadarDataSource.java:314) > at ucar.unidata.data.DataSourceImpl.getDataChoices(DataSourceImpl.java:1842) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1566) > at > ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDataViewer.java:1998) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1915) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1849) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1822) > 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(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:1061) > at ucar.unidata.util.Misc$3.run(Misc.java:1089) > > > Ticket Details =================== Ticket ID: NJS-971125 Department: Support IDV Priority: Normal Status: Open