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[IDV #NDS-367550]: "DataObject doesnt start with OHD" for single WRF output file

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  • Subject: [IDV #NDS-367550]: "DataObject doesnt start with OHD" for single WRF output file
  • Date: Wed, 23 Apr 2014 16:28:33 -0600
> Full Name: Paul
> Email Address: address@hidden
> Organization: Weathersim
> Package Version: 5.0 build date:2014-04-14 07:05 UTC
> Operating System: Mac OS X
> Hardware: Java: home: /Applications/IDV_5.0/jre.bundle/Contents/Home version: 
> 1.7.0_51 j3d:1.6.0-pre9-daily-experimental daily
> Description of problem:
> 
> This is similar to a recent IDV WRF aggregation error I experienced,
> for which I received the following explanation from IDV Support: "These
> wrfout files are in different domain and cann't be aggregated together."
> 
> However, in this case, it is not an aggregation as it is just one WRF
> output file for which the error occurred.  All the other WRF output
> files for the same simulation and domain loaded correctly in IDV.
> Any ideas as to why this one is not loading?
> 
> There was an error loading the data:
> 
> Error creating data source:aggregated.wrfnetcdf.grid with: 
> /Users/wg/Meteo/WRF/domains/d1_35S138.5E10km_d2_35S138.5E3.3km_d3_35S138.5E1.1km/wrfout/d01_8.894_d02_2.965_d03_0.988/wrfout_d03_2011-01-01_22:20:00
> Grid data source failed making data set: 
> /Users/wg/Meteo/WRF/domains/d1_35S138.5E10km_d2_35S138.5E3.3km_d3_35S138.5E1.1km/wrfout/d01_8.894_d02_2.965_d03_0.988/wrfout_d03_2011-01-01_22:20:00
> DataObject doesnt start with OHDR


You can try to load this individual file to see if it is working and do not be 
fool by the file name.


Yuan
> 
> ******************
> Stack trace:
> java.lang.IllegalStateException: DataObject doesnt start with OHDR
> at ucar.nc2.iosp.hdf5.H5header$DataObject.<init>(H5header.java:2284)
> at ucar.nc2.iosp.hdf5.H5header$DataObject.<init>(H5header.java:2180)
> at ucar.nc2.iosp.hdf5.H5header.getDataObject(H5header.java:2027)
> at ucar.nc2.iosp.hdf5.H5header.access$600(H5header.java:70)
> at ucar.nc2.iosp.hdf5.H5header$DataObjectFacade.<init>(H5header.java:2073)
> at ucar.nc2.iosp.hdf5.H5header.readSuperBlock2(H5header.java:353)
> at ucar.nc2.iosp.hdf5.H5header.read(H5header.java:206)
> at ucar.nc2.iosp.hdf5.H5iosp.open(H5iosp.java:128)
> at ucar.nc2.NetcdfFile.<init>(NetcdfFile.java:1521)
> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:813)
> 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.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:1156)
> at 
> ucar.unidata.data.grid.GeoGridDataSource.getDataset(GeoGridDataSource.java:1178)
> at 
> ucar.unidata.data.grid.GeoGridDataSource.initAfterCreation(GeoGridDataSource.java:502)
> at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1602)
> 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.FileChooser.selectFilesInner(FileChooser.java:656)
> at ucar.unidata.idv.chooser.FileChooser.selectFiles(FileChooser.java:525)
> at ucar.unidata.idv.chooser.FileChooser.doLoadInThread(FileChooser.java:547)
> at sun.reflect.GeneratedMethodAccessor134.invoke(Unknown Source)
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at ucar.unidata.util.Misc$2.run(Misc.java:1215)
> at ucar.unidata.util.Misc$3.run(Misc.java:1243)
> 
> 
> 


Ticket Details
===================
Ticket ID: NDS-367550
Department: Support IDV
Priority: Normal
Status: Open