Re: FW: Error Calling Java from MATLAB

Hi Rich:

Sorry to take so long, i was on vacation last week.

It looks like there is an old(?) version of ucar.units in their classpath, based on: 

java.io.IOException: Could not open null
        at 
com.mathworks.toolbox.mbc.units.UnitXML.urlToInputSource(UnitXML.java:547)
        at com.mathworks.toolbox.mbc.units.UnitXML.toXdoc(UnitXML.java:151)
        at com.mathworks.toolbox.mbc.units.UnitXML.getFromXML(UnitXML.java:114)
        at ucar.units.StandardUnitDB.addFromXML(StandardUnitDB.java:173)
        at ucar.units.StandardUnitDB.<init>(StandardUnitDB.java:115)

The source from ncSrc-2.2.16.zip matches the class in toolsUI-2.2.16.jar.

Whoever is debugging should check their classpath; putting toolsUI-2.2.16.jar 
first should get the correct class. If it isnt obvious, add the -verbose option 
to the java command, then grep through the output until you find where the 
ucar.units package is getting loaded, it will look something like:

[Loaded ucar.units.StandardUnitDB from file:/C:/dev/thredds/cdm/target/classes/]

Let me know if I can help further.

PS: I have another user who wants to know how to read netcdf/CF into MatLab. Is 
this a standard feature ? if so, can I point him to some docs? thanks...


Rich Signell wrote:
> John,
>
> The Mathworks tech support is trying to debug a problem encountered when
> running NetCDF java from inside Matlab.
>
> I gave them
>
> ncSrc-2.2.16.zip  toolsUI-2.2.16.jar
>
> but they say (see message further below):
>
>  >"The developer wanted to debug the StandardsUnitDB.java file, but he
>  > believes this file is outdated with the JAR-file as there is no
>  > addFromXML function in this file.  Can you verify that you gave us
>  > the source code that was used to create the JAR-file?
>  >
>
> Can you verify this for them?
>
> Thanks,
> Rich
>
>
> address@hidden wrote:
>
> > [THREAD ID:1-2YEEMP]
> >
> > Hi Richard,
> >
> > A couple of days ago I sent you a reply requesting some additional
> > information to help us resolve the problem you reported. Since I have
> > not yet heard back from you, I am not sure whether you received my
> > e-mail or whether you still need assistance.  I am forwarding the
> > e-mail that I sent in case you did not previously receive it.
> >
> > If you still need assistance, please let me know.
> >
> > Thank you, Mark
> >
> >
> > Mark Jones Application Support Engineer The MathWorks, Inc. 
> > http://www.mathworks.com/support File Exchange:
> > http://www.mathworks.com/matlabcentral/ Phone: (508) 647-7000
> >
> >
> >
> > -----Original Message-----
> >
> > From:  US Support Profile Sent:  2006-07-18 01:53:52 PM To:
> > address@hidden Subject:  Error Calling Java from MATLAB
> >
> > [THREAD ID: 1-2X4VUM]
> >
> > Hi Richard,
> >
> > The developer wanted to debug the StandardsUnitDB.java file, but he
> > believes this file is outdated with the JAR-file as there is no
> > addFromXML function in this file.  Can you verify that you gave us
> > the source code that was used to create the JAR-file?
> >
> > Thanks,
> >
> > Mark