Re: [netcdf-java] BUG: NcMLReader can't process nested Group

• To: Christian D Ward-Garrison <cwardgar@xxxxxxxx>
• Subject: Re: [netcdf-java] BUG: NcMLReader can't process nested Group
• From: John Caron <caron@xxxxxxxxxxxxxxxx>
• Date: Wed, 07 Jul 2010 10:26:58 -0600

Christian D Ward-Garrison wrote:

  In NJ 4.2.20100527.2031:

<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2";>
    <group name="group1">
        <group name="group2">
            <dimension name="foo" length="5" />
        </group>
    </group>
</netcdf>

causes:

Exception in thread "main" java.lang.NullPointerException
        at ucar.nc2.ncml.NcMLReader.readGroup(NcMLReader.java:731)
        at ucar.nc2.ncml.NcMLReader.readGroup(NcMLReader.java:781)
        at ucar.nc2.ncml.NcMLReader.readGroup(NcMLReader.java:781)
        at ucar.nc2.ncml.NcMLReader.readNetcdf(NcMLReader.java:489)
        at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:431)
        at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:252)
        at ucar.nc2.ncml.NcMLReader.readNcML(NcMLReader.java:202)

at ucar.nc2.dataset.NetcdfDataset.acquireNcml(NetcdfDataset.java:801) at ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:677) at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:434) at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:417) at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:402) at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:389)

        at gov.usgs.shodan.Mlar.main(Mlar.java:13)

That's valid NcML, right?

Regards,
Christian Ward-Garrison

Hi Christian:

thanks for reporting,

john

• References:
  • [netcdf-java] BUG: NcMLReader can't process nested Group
    • From: Christian D Ward-Garrison