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From Mark Thomas <ma...@apache.org>
Subject Re: Is empty Content Type of Request allowed in Tomcat?
Date Tue, 30 Aug 2011 07:53:28 GMT
On 30/08/2011 03:00, Isaac Li wrote:
> Thank André and Mark for your quick response, detailed answer and
> references!
> 
> I'll try to report this issue to Cyberduck.
> 
> One more question: when I uses current version of Cyberduck to connect
> Amazon S3, it can accept this kind of invalid request,
> is it a kind of fault tolerance design of  Amazon S3?

I assume so.

> Should it be encouraged?

Servers should be tolerant of client errors but that is not an excuse
for clients to violate the spec. It is certainly possible to modify
Tomcat to add an option to ignore the invalid header but given the
rarity of clients that do this, I don't see such a change as a priority.

Mark

> or I missed something here?
> 
> 
> On Mon, Aug 29, 2011 at 9:44 PM, Mark Thomas <markt@apache.org> wrote:
> 
>> On 29/08/2011 09:10, Isaac Li wrote:
>>> Hello,
>>>
>>> I'm using Cyberduck as client to send request to my web server which
>> using
>>> apache-tomcat-7.0.16 as web container.
>>>
>>> When Cyberduck sent a request with an empty Content Type, web server
>>> returned following errors:
>>
>> Cyberduck is broken and is violating RFC2616.
>>
>>> HTTP/1.1 400 Bad Request (text/plain)
>>>
>>> Bad Content-Type header value: ''
>>>
>>> I thought this error is reported by tomcat, since it has not running into
>> my
>>> code.
>>
>> Tomcat is rejected this request. The request is invalid.
>>
>>> I've enabled Tomcat debug log, and have no clue, following are some
>> catalina
>>> log:
>>
>> If you want a clue, try reading RFC2616.
>>
>>> So is it possible to modify tomcat setting to allow empty Content Type of
>>> request?
>>
>> No.
>>
>>> or I should try other ways (I heard someone said adding some
>>> filters?)
>>
>> Whoever said a filter was a solution to this problem is clueless. The
>> request is rejected long before the filters are reached.
>>
>>>  - and What's the detailed steps?
>>
>> 1. Get the bug in Cyberduck fixed.
>> 2. Try again.
>>
>> Mark
>>
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>>
> 


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