System.err still used to report errors even if a custom ErrorListener has been
registered for the TransformerFactory
--------------------------------------------------------------------------------------------------------------------
Key: XALANJ-2233
URL: http://issues.apache.org/jira/browse/XALANJ-2233
Project: XalanJ2
Type: Bug
Versions: 2.7
Environment: I'm using Xalan 2.7.0 in my web application, which runs on a
Tomcat 5.5 server.
Reporter: Roger E.
Following the instructions of the new 2.7.0 version of Xalan, I've defined my
custom ErrorListener for my TransformerFactory. My listener implements the
javax.xml.transform.ErrorListener, and works ok. However, the errors are still
being printed to System.err. In fact, as I'm using Xalan in a web application,
those errors are printed on the Tomcat log file.
Here I paste part of my servlet code, just in case it helps:
--------------------------------------------
res.setContentType("text/html; charset=UTF-8");
PrintWriter out=res.getWriter();
TransformerFactory tFactory=new
org.apache.xalan.processor.TransformerFactoryImpl();
tFactory.setErrorListener(new myErrorListener());
Transformer t=tFactory.newTransformer(new StreamSource("mySheet.xsl"));
t.transform(new DocumentSource("the xml goes here"),new StreamResult(out));
out.close();
--------------------------------------------
Now I paste the "myErrorListener" code:
--------------------------------------------
public class myErrorListener implements javax.xml.transform.ErrorListener{
public void warning(TransformerException e) throws TransformerException{
}
public void error(TransformerException e) throws TransformerException{
throw e;
}
public void fatalError(TransformerException e) throws
TransformerException{
throw e;
}
}
--------------------------------------------
If I introduce an error in the XSL file, the error listener receives the
exceptions, but the error log file of my Tomcat server still shows lines like
the following:
[Fatal Error] index.xsl:16:1: The end-tag for element type "div" must end with
a '>' delimiter.
I suppose there is a bug somewhere, as the ErrorListener should avoid those
errors to be printed to System.err
Thank you very much!
Roger.
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