[Catalyst] Literal elements in uri_for generated paths

Hi, I have tried to use uri_for() in some parameters of a Java applet, but that URI should contain chars like { and } which then should be replaced by the appled with something else: param name=DataSource value=[% c.uri_for('/static/data/eof', '{symbol}.txt').path %] If I do this , { and }

[Catalyst] Wrong Content-Length value: 392918

I see these errors a few times a day. I wonder why this is happening -- could the browser really send the wrong content length? I seem to see it often in ajax calls for a progress bar, but also during file uploads and sometimes for just a normal post. Is there any additional info that could be