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Alex, First, please update your IDV. Can you tell us a bit more about what you are trying to achieve here? If this is WRF output, can you upload a sample file here? http://motherlode.ucar.edu/repository/alias/idvupload And let us know when it is uploaded. Best, Unidata IDV Support > Full Name: Alex Sizemore > Email Address: address@hidden > Organization: WKU > Package Version: 5.0u2 build date:2014-11-12 20:09 UTC > Operating System: Windows 8 > Hardware: Java: home: C:\Program Files\IDV_5.0u2\jre version: 1.7.0_51 > j3d:1.6.0-pre9-daily-experimental daily > Description of problem: Grid data source failed making data set: > C:\Users\Alex\.unidata\idv\DefaultIdv\tmp\multigrid_b65efab6-205b-4622-b844-9b595c22fbb00.ncml > Grid data source failed making data set: > C:\Users\Alex\.unidata\idv\DefaultIdv\tmp\multigrid_b65efab6-205b-4622-b844-9b595c22fbb00.ncml > Cant read file:/C:/Users/Alex/Documents/METR 437/Mesoscale Project/IDV > Data/Mesoscale.xidv: not a valid CDM file. > > ****************** > Stack trace: > java.io.IOException: Cant read file:/C:/Users/Alex/Documents/METR > 437/Mesoscale Project/IDV Data/Mesoscale.xidv: not a valid CDM file. > at ucar.nc2.NetcdfFile.open(NetcdfFile.java:803) > at ucar.nc2.NetcdfFile.open(NetcdfFile.java:422) > at ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:699) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:421) > at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:410) > at ucar.nc2.ncml.NcMLReader.access$100(NcMLReader.java:61) > at ucar.nc2.ncml.NcMLReader$NcmlElementReader.open(NcMLReader.java:1418) > at ucar.nc2.ncml.NcMLReader$NcmlElementReader.open(NcMLReader.java:1406) > at ucar.nc2.dataset.NetcdfDataset.acquireFile(NetcdfDataset.java:622) > at ucar.nc2.ncml.Aggregation$Dataset.acquireFile(Aggregation.java:647) > at > ucar.nc2.ncml.AggregationOuterDimension$DatasetOuterDimension.getNcoords(AggregationOuterDimension.java:649) > at > ucar.nc2.ncml.AggregationOuterDimension$DatasetOuterDimension.setStartEnd(AggregationOuterDimension.java:675) > at > ucar.nc2.ncml.AggregationOuterDimension.buildCoords(AggregationOuterDimension.java:161) > at > ucar.nc2.ncml.AggregationExisting.buildNetcdfDataset(AggregationExisting.java:101) > at ucar.nc2.ncml.Aggregation.finish(Aggregation.java:417) > at ucar.nc2.ncml.NcMLReader.readNetcdf(NcMLReader.java:493) > at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:438) > at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:253) > at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:203) > at ucar.nc2.dataset.NetcdfDataset.acquireNcml(NetcdfDataset.java:1081) > at ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:688) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:421) > at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:516) > 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(GeoGridDataSource.java:1160) > at > ucar.unidata.data.grid.GeoGridDataSource.getDataset(GeoGridDataSource.java:1182) > at > ucar.unidata.data.grid.GeoGridDataSource.doMakeDataChoices(GeoGridDataSource.java:1209) > at ucar.unidata.data.DataSourceImpl.getDataChoices(DataSourceImpl.java:1855) > at ucar.unidata.data.FilesDataSource.sourcesChanged(FilesDataSource.java:418) > at > ucar.unidata.data.grid.GeoGridDataSource.sourcesChanged(GeoGridDataSource.java:594) > at > ucar.unidata.data.FilesDataSource.initWithPollingInfo(FilesDataSource.java:372) > at > ucar.unidata.data.FilesDataSource.initAfterUnpersistence(FilesDataSource.java:339) > at > ucar.unidata.data.grid.GeoGridDataSource.initAfterUnpersistence(GeoGridDataSource.java:404) > at > ucar.unidata.idv.IdvPersistenceManager$18.run(IdvPersistenceManager.java:3539) > 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.idv.IdvPersistenceManager.instantiateFromBundle(IdvPersistenceManager.java:3549) > at > ucar.unidata.idv.IdvPersistenceManager.decodeXmlInner(IdvPersistenceManager.java:3108) > at > ucar.unidata.idv.IdvPersistenceManager$12.run(IdvPersistenceManager.java:2916) > at ucar.unidata.util.Misc$3.run(Misc.java:1243) > > > Ticket Details =================== Ticket ID: MQE-716577 Department: Support IDV Priority: Normal Status: Closed