The offending line is line 89/90 in 
org.apache.batik.transcoder.image.JPEGTranscoder . . .

ImageWriter writer = ImageWriterRegistry.getInstance()
                .getWriterFor("image/jpeg");


returns a null ImageWriter.  I'm not sure why.



-----Original Message-----
From: Cameron McCormack [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, March 05, 2008 9:26 PM
To: [email protected]
Subject: Re: org.apache.batik.transcoder.TranscoderException: null

Hi Eric.

Eric Hamacher:
> I get the following exception using Batik (1.7) at the line 
> "t.transcode(input, output);"  I am trying to convert a DOM into a 
> JPEG image. 
> 
> org.apache.batik.transcoder.TranscoderException: null 
> Enclosed Exception: 
> null 
> 08/03/05 10:42:08       at 
> org.apache.batik.transcoder.image.ImageTranscoder.transcode(ImageTransco
> der.java: 
> 132) 
…
> Anybody have an idea about what this exception is about?   Thanks 

It’s hard to tell, since the (what I assume is a) NullPointerException
is wrapped in a TranscoderException, which doesn’t show where the NPE
was thrown.  If you can compile Batik, try adding a line

  ex.printStackTrace();

just before the throw line in
ImageTranscoder.transcode(Document,String,TranscoderOutput), and that at
least will show where the original exception is being thrown.

-- 
Cameron McCormack, http://mcc.id.au/
        xmpp:[EMAIL PROTECTED]  ▪  ICQ 26955922  ▪  MSN [EMAIL PROTECTED]

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