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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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: Sufyan > Email Address: address@hidden > Organization: Personal Research > Package Version: 6.2 build date:2023-08-25 17:01 UTC > Operating System: Windows 10 > Hardware: Java: home: C:\Program Files\IDV_6.2\jre version: 1.8.0_302 > j3d:1.6.1 fcs fcs > Description of problem: Netcdf sweep error:init > java.lang.NullPointerException > The data format is not supported. If you provide more information of the dataset I maybe able to explain more details of the problem. Yuan > ****************** > Stack trace: > java.lang.NullPointerException > at > ucar.unidata.data.radar.NetcdfSweepfileAdapter.loadData(NetcdfSweepfileAdapter.java:338) > at > ucar.unidata.data.radar.NetcdfSweepfileAdapter.init(NetcdfSweepfileAdapter.java:144) > at > ucar.unidata.data.radar.NetcdfSweepfileAdapter.<init>(NetcdfSweepfileAdapter.java:130) > at > ucar.unidata.data.radar.NetcdfRadarDataSource.makeRadarAdapter(NetcdfRadarDataSource.java:136) > at ucar.unidata.data.radar.RadarDataSource$1.run(RadarDataSource.java:299) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:276) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:248) > at visad.util.ThreadManager.runInParallel(ThreadManager.java:215) > 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.NetcdfRadarDataSource.doMakeDataChoices(NetcdfRadarDataSource.java:111) > at ucar.unidata.data.DataSourceImpl.getDataChoices(DataSourceImpl.java:1856) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1657) > at > ucar.unidata.data.DataManager.createDataSourceAndAskForType(DataManager.java:1389) > at > ucar.unidata.data.grid.GeoGridDataSource.doMakeDataChoices(GeoGridDataSource.java:1392) > at ucar.unidata.data.DataSourceImpl.getDataChoices(DataSourceImpl.java:1856) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1657) > at > ucar.unidata.data.DataManager.createDataSourceAndAskForType(DataManager.java:1389) > at > ucar.unidata.data.grid.GeoGridDataSource.doMakeDataChoices(GeoGridDataSource.java:1392) > at ucar.unidata.data.DataSourceImpl.getDataChoices(DataSourceImpl.java:1856) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1657) > at > ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDataViewer.java:1978) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1895) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1829) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1802) > at ucar.unidata.idv.chooser.IdvChooser.makeDataSource(IdvChooser.java:943) > at ucar.unidata.idv.chooser.FileChooser.selectFilesInner(FileChooser.java:659) > at ucar.unidata.idv.chooser.FileChooser.selectFiles(FileChooser.java:528) > at ucar.unidata.idv.chooser.FileChooser.doLoadInThread(FileChooser.java:550) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at ucar.unidata.util.Misc$2.run(Misc.java:1215) > at ucar.unidata.util.Misc$3.run(Misc.java:1243) > > > Ticket Details =================== Ticket ID: EBG-293549 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.