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Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte

From Νίκος <nikos@superhost.gr>
Newsgroups comp.lang.python
Subject Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte
Date 2013-07-04 13:03 +0300
Organization GRNET - Greek Research and Technology Network
Message-ID <kr3hab$jn0$1@news.grnet.gr> (permalink)
References <kr3c7k$tjs$2@news.grnet.gr> <mailman.4214.1372931978.3114.python-list@python.org>

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Στις 4/7/2013 12:59 μμ, ο/η Dave Angel έγραψε:
> On 07/04/2013 04:37 AM, Νίκος wrote:
>> I just started to have this error without changing nothing
>>
>> in my index.html(template) and metrites.py(which ipen the template)
>>
>> [Thu Jul 04 11:35:14 2013] [error] [client 108.162.229.97] Original
>> exception was: [Thu Jul 04 11:35:14 2013] [error] [client
>> 108.162.229.97] Traceback (most recent call last): [Thu Jul 04
>> 11:35:14 2013] [error] [client 108.162.229.97]   File
>> "/home/nikos/public_html/cgi-bin/metrites.py", line 19, in <module>
>> [Thu Jul 04 11:35:14 2013] [error] [client 108.162.229.97]     host =
>>  socket.gethostbyaddr( os.environ['REMOTE_ADDR'] )[0] or
>> 'UnResolved' [Thu Jul 04 11:35:14 2013] [error] [client
>> 108.162.229.97] UnicodeDecodeError: 'utf-8' codec can't decode byte
>> 0xb6 in position 0: invalid start byte [Thu Jul 04 11:35:14 2013]
>> [error] [client 108.162.229.97] Premature end of script headers:
>> metrites.py
>>
>>
>> Why cant it decode the starting byte? what starting byte is that?
>
> The error message means that somebody is trying to decode a byte string
> into Unicode, and using the utf-8 codec for it.  Only certain sequences
> are legal in utf-8, and the first byte of a character may not be 0xb6.
> So it gives an error.  The question is where does this string come from.
>
>
> Well, the message shows the source line from metrites.py:
>
> host = socket.gethostbyaddr( os.environ['REMOTE_ADDR'] )[0] or 'UnResolved'
>
> So the most likely candidate is the string in the environment named
> "REMOTE_ADDR"  Can you display that string?  it should look like
>
> "11.24.32.4"
>
> or some other valid IP address.
>
>
> I'm assuming Python 2.7.  You should specify the python version when
> starting a new thread, as we (or at least I) cannot keep track of what
> version everyone's running.

Ima using Python v3.3.2 Dave

The host = socket.gethostbyaddr( os.environ['REMOTE_ADDR'] )[0] or 
'UnResolved' should not have give an error since i explicityl tell it 
that if it cannot resolve dns the ip to hostname to set it as "unresolved"

The error appear ONLY when i CloudFlare superhost.gr

If i pause tthe domain form CloudFlare then my website loads properly.


-- 
What is now proved was at first only imagined!

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UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 11:37 +0300
  Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-07-04 05:59 -0400
    Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 13:03 +0300
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-07-04 06:29 -0400
        Fwd: Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 13:36 +0300
  Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2013-07-04 11:50 +0200
    Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 13:38 +0300
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-07-04 20:54 +1000
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 14:29 +0300
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte MRAB <python@mrabarnett.plus.com> - 2013-07-04 12:52 +0100
            Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 15:06 +0300
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-07-04 22:37 +1000
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte MRAB <python@mrabarnett.plus.com> - 2013-07-04 12:06 +0100
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 14:36 +0300
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte MRAB <python@mrabarnett.plus.com> - 2013-07-04 13:07 +0100
            Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 15:47 +0300
              Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte MRAB <python@mrabarnett.plus.com> - 2013-07-04 14:34 +0100
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Γκρ33κ <nikos@superhost.gr> - 2013-07-04 16:38 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte MRAB <python@mrabarnett.plus.com> - 2013-07-04 16:10 +0100
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Γκρ33κ <nikos@superhost.gr> - 2013-07-04 18:56 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Wayne Werner <wayne@waynewerner.com> - 2013-07-12 06:47 -0500
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Ferrous Cranus <nikos@superhost.gr> - 2013-07-12 14:56 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-07-12 11:46 -0400
            Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos@superhost.gr> - 2013-07-04 15:52 +0300
              Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte MRAB <python@mrabarnett.plus.com> - 2013-07-04 14:34 +0100
                Fwd: Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Γκρ33κ <nikos@superhost.gr> - 2013-07-04 17:48 +0300
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2013-07-04 15:07 +0200
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Γκρ33κ <nikos@superhost.gr> - 2013-07-04 16:26 +0300
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-07-04 16:08 -0400
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Ferrous Cranus <nikos@superhost.gr> - 2013-07-04 23:25 +0300
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-04 22:44 +0200
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Michael Torrie <torriem@gmail.com> - 2013-07-04 14:53 -0600
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Nobody <nobody@nowhere.com> - 2013-07-05 01:06 +0100
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Ferrous Cranus <nikos@superhost.gr> - 2013-07-05 09:07 +0300
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-05 08:55 +0200
            Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 10:10 +0300
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 09:51 +0300
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-05 09:06 +0200
            Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 10:13 +0300
              Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-07-05 04:27 -0400
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 12:01 +0300
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Benjamin Kaplan <benjamin.kaplan@case.edu> - 2013-07-05 00:21 -0700
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-07-05 03:50 -0400
            Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 11:00 +0300
              Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-07-05 04:35 -0400
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 11:49 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-07-05 05:21 -0400
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 12:25 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-05 12:24 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 13:28 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 13:26 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-05 12:36 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 13:42 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-05 12:59 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 14:05 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 14:16 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-05 13:16 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 14:27 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte feedthetroll@gmx.de - 2013-07-05 05:06 -0700
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 13:33 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte feedthetroll@gmx.de - 2013-07-05 04:56 -0700
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte feedthetroll@gmx.de - 2013-07-05 05:14 -0700
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-07-05 09:05 -0400
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-05 16:11 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος Gr33k <nikos@superhost.gr> - 2013-07-05 17:27 +0300
              Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte feedthetroll@gmx.de - 2013-07-05 01:44 -0700
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Lele Gaifax <lele@metapensiero.it> - 2013-07-05 12:16 +0200
  Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte roggero.n@gmail.com - 2013-09-06 16:17 -0700

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