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Hi Henry- Since you say it just started and you are loading local files, what has changed on your system. Did you install a new version of IDV? If so, what version were you running before. If you have not changed the IDV, has the version of WRF that you are using changed? Has the name of the directory changed? It looks like it now has an & in the directory name (2009 APR02 00,06,12,18Z & APR03 00Z) which is an illegal character in XML. I think this is the problem. Don Murray > Full Name: Henry Steigerwaldt > Email Address: address@hidden > Organization: National Weather Service > Package Version: 2.6u2 build date:2009-02-13 19:03 UTC > Operating System: Windows XP > Hardware: Java: home: C:\Program Files\Integrated Data Viewer\jre version: > 1.6.0_11 j3d:1.5.2 fcs (build4) > Description of problem: There was an error loading the data: > Error creating data source:aggregated.netcdf.grid with: > [C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 > APR02 00Z\09040200_arw_d01.GrbF00000, C:\graphics_save\local wrf-arw > data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 > 00Z\09040200_arw_d01.GrbF00100, C:\graphics_save\local wrf-arw data\2009 > APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF00200, > C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 > APR02 00Z\09040200_arw_d01.GrbF00300, C:\graphics_save\local wrf-arw > data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 > 00Z\09040200_arw_d01.GrbF00400, C:\graphics_save\local wrf-arw data\2009 > APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF00500, > C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 > APR02 00Z\09040200_arw_d01.GrbF00600, C:\graphics_save\local wrf-arw > data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 > 00Z\09040200_arw_d01.GrbF00700, C:\graphics _save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF00800, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF00900, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01000, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01100, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01200, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01300, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01400, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01500, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR 02 00Z\09040200_arw_d01.GrbF01600, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01700, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01800, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF01900, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF02000, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF02100, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF02200, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF02300, C:\graphics_save\local wrf-arw data\2009 APR02 00,06,12,18Z & APR03 00Z\2009 APR02 00Z\09040200_arw_d01.GrbF02400] > Grid data source failed making data set: C:\Documents and Settings\Henry > Steigerwaldt\.unidata\idv\DefaultIdv\tmp\multigrid0.ncml > Error on line 4 of document > file:C:/Documents%20and%20Settings/Henry%20Steigerwaldt/.unidata/idv/DefaultIdv/tmp/multigrid0.ncml: > The entity name must immediately follow the '&' in the entity reference. > > ****************** > Stack trace: > java.io.IOException: Error on line 4 of document > file:C:/Documents%20and%20Settings/Henry%20Steigerwaldt/.unidata/idv/DefaultIdv/tmp/multigrid0.ncml: > The entity name must immediately follow the '&' in the entity reference. > at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:184) > at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:153) > at ucar.nc2.dataset.NetcdfDataset.acquireNcml(NetcdfDataset.java:645) > at ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:593) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:359) > at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:444) > at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:420) > at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:73) > at > ucar.unidata.data.grid.GeoGridDataSource.doMakeDataSet(GeoGridDataSource.java:1018) > at > ucar.unidata.data.grid.GeoGridDataSource.getDataset(GeoGridDataSource.java:1040) > at > ucar.unidata.data.grid.GeoGridDataSource.initAfterCreation(GeoGridDataSource.java:440) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1470) > at > ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDataViewer.java:1948) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1865) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1799) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1772) > at ucar.unidata.idv.chooser.IdvChooser.makeDataSource(IdvChooser.java:839) > at ucar.unidata.idv.chooser.FileChooser.selectFilesInner(FileChooser.java:646) > at ucar.unidata.idv.chooser.FileChooser.selectFiles(FileChooser.java:515) > at ucar.unidata.idv.chooser.FileChooser.doLoadInThread(FileChooser.java:537) > 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:1010) > at ucar.unidata.util.Misc$3.run(Misc.java:1038) > > > Ticket Details =================== Ticket ID: ERZ-459374 Department: Support IDV Priority: Normal Status: Open