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Subject: CPAN misinterprets 404 as status 407
When CPAN tries to fetch a module using LWP and if it is fetching through a proxy, a 404 from the proxy confuses LWP into thinking the proxy isn't working -- when the proxy really can't find the listed URL. I've seen this before in other cases, but due to a recent upgrading from cyg32->cyg64, my cpan-config file had some bogus values -- which made this error easier to reproduce). The output generated when it couldn't find things was: law.Bliss> cpan cpan[1]> look Test::Reporter::Transport::Metabase CPAN::SQLite not installed, trying to work without CPAN: Storable loaded ok (v2.27) Reading '/var/cache/CPAN/Metadata' Database was generated on Sun, 12 Jan 2014 12:41:02 GMT Reading '/Share/CPAN/sources/authors/01mailrc.txt.gz' CPAN: Compress::Zlib loaded ok (v2.033) ............................................................................DONE CPAN: LWP::UserAgent loaded ok (v6.05) Fetching with LWP: LWP failed with code[404] message[Not Found] Proxy authentication needed! (Note: to permanently configure username and password run o conf proxy_user your_username o conf proxy_pass your_password ) Username: CPAN: Term::ReadKey loaded ok (v2.30) Password: (To reproduce, a bogus value in "urllist" like: 'urllist' => [q[],q[]], can be used...) CPAN shouldn't equate '404' not found, with '407' (proxy_auth_required). (side note -- not the point of this bug, but would have circumvented it: CPAN might recognize that the URL addr is suspect (raw space in URL is unlikely in a standard URL as well as unlikely in a CPAN mirror addr)). In any event, unless it gets back a '407', it likely shouldn't be asking for a User/PW, but just go on to next mirror or next method of fetching...(which for a missing module, may work, but for a bogusly formatted urllist, likely won't). Have seen this recently on linux where I had uploaded to cpan, a new version of a module -- but it hadn't been mirrored on mirrors yet -- that "not found" 404 gave the same symptoms of asking for username/pw, but hitting return to get past that, it was fetchable from ----- This bug was originally filed against the core version of CPAN -- but I was told it that the newer works was done in the distribution and that I should file it here. "perlbug" thought it belonged in the perl-core DB, as it accepted the bug as being in a core library, so there seems to be some confusion about where a bug report should go. The other bug # is #121023. Please let me know where it should be filed or if it should be in both, as it is a problem in both? Thanks.

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