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From Mark Hagger <>
Subject Re: Help with filter affecting Chinese words in request parameters
Date Mon, 10 Apr 2006 09:50:19 GMT

This may not be relevant here, but one standard "gotcha" that keeps
hitting me is a difference in the platforms default encoding.  Ie some
machines have a default of ISO-88591, some CP1252, and some UTF-8.  The
JVM then just merrily does stuff using the default encoding, and thus
developers get a working system and the production systems don't...

In some ways its better to have developers all working with different
defaults, so at least issues like this get caught early.

A thought anyway.


On Sun, 2006-04-09 at 22:53 -0500, Mike Sabroff wrote:
> So, what are the differences on the machines that have the problem vs 
> the ones that don not??
> roy tang wrote:
> > Hi,
> >
> > I'm new to this list, hope someone here can help. :)
> >
> > We're developing a webapp that should be able to accept Chinese input. We
> > also have a filter installed in the webapp for some auditing that we need to
> > do per request that's processed. However, we've found that when we submit a
> > form with Chinese inputs, the Chinese chars end up saved to the database as
> > HTML-escaped entities. (i.e. &#32610; or such).
> >
> > So we backtrace, and we find that removing the filter from web.xml fixes the
> > problem. We debug through the doFilter() method of our filter, but we find
> > that at the start of the method, request.getParameter("PARAM_NAME") already
> > shows the input as HTML-escaped entities.
> >
> > The weird thing is, this doesn't happen on all our Tomcat
> > installations...each of our developers has a local Tomcat running, and it
> > only happens for one or two. But it also happens on our Test (QA) server,
> > such that our testing team always encounters the problem.
> >
> > Is there any particular language or encoding setting that I should be
> > checking?
> >
> > Thanks a lot :D
> >
> > Roy
> >   

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