[kepler-dev] problems and fixes in cvs head of ptolemy

Edward A Lee eal at eecs.berkeley.edu
Thu Jan 8 14:49:57 PST 2004

Most likely ptolemy/data/expr/Constants.java is not up-to-date
in the Kepler tree?  That file defines the CLASSPATH variable...


At 02:29 PM 1/8/2004 -0800, Chad Berkley wrote:
>yeah, I'm not sure why this doesn't work.  I thought $CLASSPATH should 
>work as well.  Here's the error:
>[java] java.lang.Exception: Failed to read configuration 
>      [java]     at 
> ptolemy.vergil.VergilApplication._createDefaultConfiguration(VergilApplication.java:273)
>      [java] Caused by: com.microstar.xml.XmlException: XML element 
> "input" triggers exception. in 
> file:/home/berkley/project/temp/ptII/ptolemy/configs/defaultFullConfiguration.xml 
> at line 58 and column 67
>      [java] Caused by:
>      [java]  ptolemy.kernel.util.IllegalActionException: Error evaluating 
> expression: $CLASSPATH/doc/img/ptIIplanetIcon.gif
>      [java]   in .configuration.icon editor library.image.source
>      [java] Because:
>      [java] The ID CLASSPATH is undefined.
>      [java]     at ptolemy.moml.MoMLParser.startElement(MoMLParser.java:2463)
>christopher, do you see anything that looks suspicious in that?
>Christopher Hylands Brooks wrote:
>>Strange, $CLASSPATH should work.  $CLASSPATH is handled specially,
>>>If a file name begins with the reference "$CLASSPATH", then when
>>>the file is opened for reading, the openForReading() method
>>>will search for the file relative to the classpath (using the
>>>getResource() method of the current class loader).  This will only
>>>work for a file that exists, and thus the openForWriting() method
>>>will not understand the "$CLASSPATH" string; this makes sense
>>>since the classpath typically has several directories, and it
>>>would not be obvious where to create the file.  The asURL()
>>>method also recognizes the "$CLASSPATH" string, but not the asFile()
>>>method (which is typically used when accessing a file for writing).
>>>NOTE: If the container of this parameter also contains a variable
>>>named CLASSPATH, then the value of that variable is used instead
>>>of the Java classpath.
>>I'm not sure why it would not be working unless there was a partial
>>merge where the version of FileParameter that predates the CLASSPATH
>>Christopher Hylands Brooks cxh at eecs.berkeley.edu  University of California
>>Programmer/Analyst Chess/Ptolemy/GSRC         US Mail: 558 Cory Hall #1770
>>ph: 510.643.9841 fax:510.642.2739             Berkeley, CA 94720-1770
>>home: (F-Tu) 707.665.0131 (W-F) 510.655.5480  (office: 400A Cory)
>>     ok, I got the head of the ptolemy cvs to work with kepler. This is 
>> what     I did:
>>     -add TextAttribute.java to the makefile 
>> in     ptII/ptolemy/vergil/kernel/attributes
>>     -remake that directory
>>     -change line 87 
>> of     ptII/ptolemy/vergil/kernel/attributes/ImageAttribute.java to 
>> be     source.setExpression("$PTII/doc/img/ptIIplanetIcon.gif");
>>     (instead of "$CLASSPATH/doc/....")
>>     -remake that directory.
>>     -change line 87 
>> of 
>> ptII/ptolemy/vergil/kernel/attributes/demo/AnimateVergil/AnimateVergil.xml 
>> to <property 
>> name="source"     class="ptolemy.kernel.attributes.FileAttribute" 
>> value="$PTII/doc/img/ptIIplanetIcon.gif">
>>     (again instead of "$CLASSPATH/doc....")
>>     hope that works for you.  if it does, maybe forward this info onto 
>> the     ptolemy folks.  It looks like someone just inadvertantly stuck 
>> in     $CLASSPATH when it should have been $PTII.
>>     chad
>>     --     -----------------------
>>     Chad Berkley
>>     National Center for
>>     Ecological Analysis
>>     and Synthesis (NCEAS)
>>     berkley at nceas.ucsb.edu
>>     -----------------------
>>     _______________________________________________
>>     kepler-dev mailing list
>>     kepler-dev at ecoinformatics.org
>>     http://www.ecoinformatics.org/mailman/listinfo/kepler-dev
>Chad Berkley
>National Center for
>Ecological Analysis
>and Synthesis (NCEAS)
>berkley at nceas.ucsb.edu
>kepler-dev mailing list
>kepler-dev at ecoinformatics.org

Edward A. Lee, Professor
518 Cory Hall, UC Berkeley, Berkeley, CA 94720
phone: 510-642-0455, fax: 510-642-2739
eal at eecs.Berkeley.EDU, http://ptolemy.eecs.berkeley.edu/~eal

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