Bug#406569:

[gregor herrmann]

On Fri, 12 Dec 2008 02:06:49 -0800, Kristian Erik Hermansen wrote:

> Has this been fixed?  I would like to confirm this bug is still
> present as of today's stable release :-(

Thanks for coming back to this issue.

Since stable has not changed I'm not surprised you still experience
this bug :)

I've tried now with the version from unstable:

gregoa at belanna:~$ http_proxy=ffff ; HEAD 'http://guinan/'
200 OK
Connection: close
Date: Fri, 12 Dec 2008 14:30:45 GMT
Accept-Ranges: bytes
ETag: "e263e-8f8-45d6ab7f44c40"
Server: Apache/2.2.9 (Debian) DAV/2 PHP/5.2.6-5 with Suhosin-Patch
Vary: Accept-Encoding
Content-Length: 2296
Content-Type: text/html
Last-Modified: Sun, 07 Dec 2008 01:20:41 GMT
Client-Date: Fri, 12 Dec 2008 14:30:45 GMT
Client-Peer: 192.168.0.252:80
Client-Response-Num: 1

Hm, but that doesn't work this way. Let's try again:

gregoa at belanna:~$ http_proxy=ffff HEAD 'http://guinan/'
Use of uninitialized value $scheme in hash element at /usr/share/perl5/LWP/Protocol.pm line 52.
Use of uninitialized value $scheme in pattern match (m//) at /usr/share/perl5/LWP/Protocol.pm line 55.
Use of uninitialized value $scheme in concatenation (.) or string at /usr/share/perl5/LWP/Protocol.pm line 35.
Use of uninitialized value $scheme in string eq at /usr/share/perl5/LWP/UserAgent.pm line 169.
501 Protocol scheme '' is not supported
Content-Type: text/plain
Client-Date: Fri, 12 Dec 2008 14:31:20 GMT
Client-Warning: Internal response

gregoa at belanna:~$ http_proxy= HEAD 'http://guinan/'
200 OK
Connection: close
Date: Fri, 12 Dec 2008 14:32:24 GMT
Accept-Ranges: bytes
ETag: "e263e-8f8-45d6ab7f44c40"
Server: Apache/2.2.9 (Debian) DAV/2 PHP/5.2.6-5 with Suhosin-Patch
Vary: Accept-Encoding
Content-Length: 2296
Content-Type: text/html
Last-Modified: Sun, 07 Dec 2008 01:20:41 GMT
Client-Date: Fri, 12 Dec 2008 14:32:24 GMT
Client-Peer: 192.168.0.252:80
Client-Response-Num: 1

gregoa at belanna:~$ http_proxy=192.168.0.252:8080 HEAD 'http://guinan/'
Use of uninitialized value $scheme in hash element at /usr/share/perl5/LWP/Protocol.pm line 52.
Use of uninitialized value $scheme in pattern match (m//) at /usr/share/perl5/LWP/Protocol.pm line 55.
Use of uninitialized value $scheme in concatenation (.) or string at /usr/share/perl5/LWP/Protocol.pm line 35.
Use of uninitialized value $scheme in string eq at /usr/share/perl5/LWP/UserAgent.pm line 169.
501 Protocol scheme '' is not supported
Content-Type: text/plain
Client-Date: Fri, 12 Dec 2008 14:33:23 GMT
Client-Warning: Internal response

gregoa at belanna:~$ http_proxy=http://192.168.0.252:8080 HEAD 'http://guinan/'
200 OK
Date: Fri, 12 Dec 2008 14:33:12 GMT
Via: 1.0 guinan.sh3.net.invalid (squid/3.HEAD-BZR)
Accept-Ranges: bytes
Age: 20
ETag: "e263e-8f8-45d6ab7f44c40"
Server: Apache/2.2.9 (Debian) DAV/2 PHP/5.2.6-5 with Suhosin-Patch
Vary: Accept-Encoding
Content-Length: 2296
Content-Type: text/html
Last-Modified: Sun, 07 Dec 2008 01:20:41 GMT
Client-Date: Fri, 12 Dec 2008 14:33:32 GMT
Client-Peer: 192.168.0.252:8080
Client-Response-Num: 1
Proxy-Connection: close
X-Cache: HIT from guinan.sh3.net.invalid
X-Cache-Lookup: HIT from guinan.sh3.net.invalid:8080

So, yes, the warnings are still there with an invalid http_proxy.

Cheers,
gregor
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