[squid-users] assertion failed: client_side.cc:1515: "connIsUsable(http->getConn())

[Dan Charlesworth]

Thanks Amos -

So then it more than likely is related to our external ACLs that deal with the HTTP response?

> On 20 Feb 2015, at 5:06 pm, Amos Jeffries <squid3 at treenet.co.nz> wrote:
> 
> On 20/02/2015 5:46 p.m., Eliezer Croitoru wrote:
>> Hey Dan,
>> 
>> The basic rule of thumb in programming lands is script vs compiled code.
>> Where compiled code can be considered very reliable and in most cases
>> tested much more then scripts.
>> I am fearing that there is some race between all sorts of things on
>> runtime which might lead to this failed test.
>> 
>> There are couple possibilities that can cause the issue you are writing
>> about.
>> From the compiled side of the code the main suspect is that the
>> connection got into a "non usable" state before squid could do something
>> else.
>> I have not seen yet the source code for connIsUsable but if you wish I
>> can try and look at the function\method\call\code source and start a
>> basic lookup to understand the issue a bit more.
> 
> Its a simple test to check to ensure the client connection is open when
> writing some response data to it.
> 
> Something has earlier cause client connection closure, and something
> else earlier has failed to cleanup the state or check the state was sane
> before getting to the point of assertion.
> 
> Amos
> 
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