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Re: [netcdf-java] ArrayIndexOutOfBoundsException from ucar.nc2.dt.grid.GeoGrid.readDataSlice() while reading GRIB2 files

On Mon, 15 Mar 2010, Kyle Watson wrote:


Hello John,

I seem to be having this same issue with GRIB files for Puerto Rico now.

Is there any chance you guys could take a look at it?  I have attached the
GRIB2 files (ds.pop12.bin & ds.wx.bin).

Hiya Kyle,
These bin files have uncommon internal packing configurations that has caused the past and present data extraction errors reported. Hopefully this is the end of these type errors, I've scanned the code for uncommon configurations. 

Thanks for the sample files that have made the fixes easy. A new grib
library will be in the next netcdf-java snapshot release. At this time, I
don't know when exactly that will become available.

Thanks,
RObb...



For GRIB2 file: ds.wx.bin

3/15/2010 14:00:49 [ERROR]  GeoGrid.getdataSlice() on dataset Categorical_Rain -
java.lang.ArrayIndexOutOfBoundsException: 76953
       at 
ucar.grib.grib2.Grib2DataSection.complexUnpacking(Grib2DataSection.java:402)
       at ucar.grib.grib2.Grib2DataSection.<init>(Grib2DataSection.java:172)
       at ucar.grib.grib2.Grib2Data.getData(Grib2Data.java:124)
       at 
ucar.nc2.iosp.grib.GribGridServiceProvider._readData(GribGridServiceProvider.java:416)
       at 
ucar.nc2.iosp.grid.GridServiceProvider.readXY(GridServiceProvider.java:400)
       at 
ucar.nc2.iosp.grid.GridServiceProvider.readData(GridServiceProvider.java:303)
       at ucar.nc2.NetcdfFile.readData(NetcdfFile.java:1780)
       at ucar.nc2.Variable._read(Variable.java:1010)
       at ucar.nc2.Variable.read(Variable.java:809)
       at ucar.nc2.dataset.VariableDS._read(VariableDS.java:503)
       at ucar.nc2.Variable.read(Variable.java:809)
       at ucar.nc2.Variable.read(Variable.java:755)
       at ucar.nc2.dt.grid.GeoGrid.readDataSlice(GeoGrid.java:613)
       at ucar.nc2.dt.grid.GeoGrid.readDataSlice(GeoGrid.java:524)
       at 
com.hughestelematics.www.scheduler.DecodeGrib.decodeGribs(DecodeGrib.java:340)
       at 
com.hughestelematics.www.scheduler.DecodeGrib.main(DecodeGrib.java:904)

For GRIB2 file: ds.pop12.bin
3/15/2010 14:00:45 [ERROR]  GeoGrid.getdataSlice() on dataset 
Total_precipitation -
java.lang.ArrayIndexOutOfBoundsException: 76953
       at 
ucar.grib.grib2.Grib2DataSection.complexUnpacking(Grib2DataSection.java:402)
       at ucar.grib.grib2.Grib2DataSection.<init>(Grib2DataSection.java:172)
       at ucar.grib.grib2.Grib2Data.getData(Grib2Data.java:124)
       at 
ucar.nc2.iosp.grib.GribGridServiceProvider._readData(GribGridServiceProvider.java:416)
       at 
ucar.nc2.iosp.grid.GridServiceProvider.readXY(GridServiceProvider.java:400)
       at 
ucar.nc2.iosp.grid.GridServiceProvider.readData(GridServiceProvider.java:303)
       at ucar.nc2.NetcdfFile.readData(NetcdfFile.java:1780)
       at ucar.nc2.Variable._read(Variable.java:1010)
       at ucar.nc2.Variable.read(Variable.java:809)
       at ucar.nc2.dataset.VariableDS._read(VariableDS.java:503)
       at ucar.nc2.Variable.read(Variable.java:809)
       at ucar.nc2.Variable.read(Variable.java:755)
       at ucar.nc2.dt.grid.GeoGrid.readDataSlice(GeoGrid.java:613)
       at ucar.nc2.dt.grid.GeoGrid.readDataSlice(GeoGrid.java:524)
       at 
com.hughestelematics.www.scheduler.DecodeGrib.decodeGribs(DecodeGrib.java:340)
       at 
com.hughestelematics.www.scheduler.DecodeGrib.main(DecodeGrib.java:904)



-----Original Message-----
From: netcdf-java-bounces@xxxxxxxxxxxxxxxx 
[mailto:netcdf-java-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Kyle Watson
Sent: Saturday, November 28, 2009 2:34 PM
To: john caron
Cc: netcdf-java@xxxxxxxxxxxxxxxx
Subject: Re: [netcdf-java] ArrayIndexOutOfBoundsException from 
ucar.nc2.dt.grid.GeoGrid.readDataSlice() while reading GRIB2 files

I grabbed the latest grib.jar and it seems to be working so far.  I
will test the 4.1 release also.

Thanks,
Kyle

Sent from my iPhone

On Nov 28, 2009, at 2:31 PM, "john caron" <caron@xxxxxxxxxxxxxxxx>
wrote:


Should be fixed in latest 4.1 release (Version 4.1.20091124.2319)

please let us know otherwise



Kyle Watson wrote:


Hello,

I had sent an email regarding this issue a while ago and updated to
the 4.1 candidate 2 library to fix it, and it seems to have been
fixed for the Hawaii files I am using from the National Weather
Service’s NDFD. I am receiving an AIOOB Exception when calling the
 readDataSlice method for Guam, though.

The GRIB2 file is attached and the stack trace can be found below.

Nov 17, 2009 10:38:37 PM ucar.nc2.dt.grid.GeoGrid readDataSlice

SEVERE: GeoGrid.getdataSlice() on dataset
Wind_direction_from_which_blowing

java.lang.ArrayIndexOutOfBoundsException: 37249

at ucar.grib.grib2.Grib2DataSection.complexUnpacking
(Grib2DataSection.java:384)

at ucar.grib.grib2.Grib2DataSection.<init>(Grib2DataSection.java:165)

at ucar.grib.grib2.Grib2Data.getData(Grib2Data.java:124)

at ucar.nc2.iosp.grib.GribGridServiceProvider._readData
(GribGridServiceProvider.java:413)

at ucar.nc2.iosp.grid.GridServiceProvider.readXY
(GridServiceProvider.java:398)

at ucar.nc2.iosp.grid.GridServiceProvider.readData
(GridServiceProvider.java:301)

at ucar.nc2.NetcdfFile.readData(NetcdfFile.java:1743)

at ucar.nc2.Variable._read(Variable.java:990)

at ucar.nc2.Variable.read(Variable.java:789)

at ucar.nc2.dataset.VariableDS._read(VariableDS.java:500)

at ucar.nc2.Variable.read(Variable.java:789)

at ucar.nc2.Variable.read(Variable.java:735)

at ucar.nc2.dt.grid.GeoGrid.readDataSlice(GeoGrid.java:613)

at ucar.nc2.dt.grid.GeoGrid.readDataSlice(GeoGrid.java:524)

at util.DecodeGrib.decodeGribs(DecodeGrib.java:341)

at util.DecodeGrib.main(DecodeGrib.java:838)

Regards,

Kyle Watson

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===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
rkambic@xxxxxxxxxxxxxxxx                   WWW: http://www.unidata.ucar.edu/
===============================================================================
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