On Sat, Oct 16, 2010 at 10:29 AM, Claus Reinke <claus.rei...@talk21.com> wrote: >> After it catches this error, the function returns (line 376): >> >> return (fail (show e)) >> >> The "fail" is running in the Either monad (The Result type = Either). >> This calls the default Monad implementation of fail, which is just a >> call to plain old error. This basically causes the entire program to >> crash. > >> Actually, it appears that simpleHTTP isn't actually supposed to throw >> an IOException, and it is instead supposed to return a ConnError >> result. So the real fix is to fix the code to make this happen. But > > Sounds like a victim of > http://hackage.haskell.org/trac/ghc/ticket/4159 > > For mtl clients, 'fail' for 'Either' used to call 'Left'. That was > changed, though the ticket does not indicate the library > versions affected.
This looks like the problem. Any idea how to get the HTTP package fixed? I could try making a patch myself, but I would prefer hearing from the HTTP maintainer first, who doesn't seem to be around. Bit Connor _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe