On Mon, Dec 10, 2001 at 11:38:25AM +0200, Petri Pehkonen wrote:
> Hello,
>
> I've made a Blast report parser with Java. There is little problems with
> executing the code with Microsoft Visual J++. The same code works well
> when I execute it with JBuilder, but in Visual J++ I get a
> NoClassDefFoundError -exception. So I've added needed jar-files to
> classpath (biojava,bytecode,xerces) and both tools (JBuilder & VisualJ++)
> build the program well. The only problem is, that the command "new
> BlastLikeSAXParser();" affects an exception (see below). Could anybody
> tell me what's wrong?
>
> try {
> oParser = (org.xml.sax.XMLReader) new BlastLikeSAXParser();
> } catch (java.lang.NoClassDefFoundError ee)
> {
> richEdit1.setText ("Error: I get this all the time in Visual J++");
> }
Hmmm, I can't see all that much which can go wrong in
the BlastLikeSAXParser constructor. The two possibilities
are:
- Can't access XML-parser classes (but you say you have
xerces.jar on the classpath, so this /shouldn't/ be an
issue).
- The collections API isn't available. If, as Mark says,
J++ only supports Java 1.1, this is likely. You could try
compiling/running the following short program:
import java.util.*;
public class Test {
public static void main(String[] args) {
Map m = new HashMap();
m.put("foo", "bar");
}
}
If this compiles successfully, then we should maybe look
again.
Thomas (who's never really got this IDE thing -- emacs
and command line for me...)
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