You should try printing the error message in your throwable object rather
than 'Bail out!!!'! That may give you a slight clue! Print this to the
error stream and check your servers logs. Or alternatively, output a
content type header to the standard out stream and then the error - this
will display it in your web browser.
-----Original Message-----
From: Nik DAMPIER [mailto:[EMAIL PROTECTED]]
Sent: 20 April 2001 15:25
To: [EMAIL PROTECTED]
Subject: DOM and the transformer interface??
The problem is this I have now got my servlet (jswdk-1.0.1 because tomcat
has/is cause me all manner of probs!) to invoke my createaccount method that
reads in my XML file (thank to Zeng, Feng_Hua, cheers mate!) using the DOM
and adds a new account to the DOM tree and writes (i.e save) the DOM tree
back to the XML file. Now this works fine upto a call to the save method
from createaccount method. I have tested the createaccount method and works
when the createaccount method is not invoked by the servlet. So in theory it
should work when called by the servlet?? But NO, things are not that simple,
Well can anybody help:
the code for save looks like this:
public static void save() {
try{
1 DOMSource source = new DOMSource(doc);
2 FileOutputStream outstream = new FileOutputStream("acc.xml");
3 StreamResult result = new StreamResult(outstream);
4 TransformerFactory transfac = TransformerFactory.newInstance();
5 Transformer trans = transfac.newTransformer();
6 trans.transform(source,result);
}
catch (Throwable e) {System.out.println("Bail out !!!");}
}
Now I have traced the problem to line 6) and it is this line that throws an
exception so the method bails out and doesn't work, well the output is a
blank acc.xml because of line 2).
So does any body know why this does not work??? can transformer interface
not be used from the servlet or something??
Can anyone give me a hint please??
Nik
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