Hello,
I'm debugging a tomcat filter. The filter has been designed as follows:
MyFilter::DoFilter(ServletRequest request, ServletResponse response,
FilterChain chain)
{
do_some_stuff();
//now delegate the call the chain
chain.DoFilter();
//the header value below doesn't always show up at the client
response.setHeader("post-filter","true");
}
For the jsp page being accessed I've turned off AutoFlush (via a server
side directive). However, I'm still seeing this page (if it exceeds a
certain size but well below the jspwriter buffer size) will be sent back
to the client before the response header has been modified.
All the examples I found place the delegation of the chain.DoFilter()
call placed at the very end of the filter.
If AutoFlush is turned off for the jsp page and the page doesn't exceed
the buffer size can it still send the response back to the client before
the filter chain has completed (and in this example before the header
has been modified)? Is it a bad idea to modify the response header after
the call to chain.DoFilter()?
The version of tomcat is v5.5.23, and no exceptions are thrown when the
setHeader call is made.
TIA
Mike
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