memcache and nginx

[Sean Allen]

On May 13, 2008, at 2:14 AM, Igor Sysoev wrote:

> On Wed, May 07, 2008 at 04:44:02PM -0400, Sean Allen wrote:
>
>> have the same setup on two machines, identical configurations but the
>> newer machines reports the following a few times an hour:
>>
>> 2008/05/07 16:36:28 [error] 5969#0: *128011 memcached sent invalid
>> trailer while sending to client, client: 66.60.241.3, server:
>> micro.thepinkpatch.com, request: "GET /s-Pcpx300BT24p/lp HTTP/1.0",
>> upstream: "memcached://127.0.0.1:11211", host:  
>> "micro.thepinkpatch.com"
>>
>> My google skills failed me. Is there a solution to this?
>
> This may be nginx error or memcached error.
> Both nginxes go to the same memcached ?
> Is it reproduceable ? I.e. if you will request "/s-Pcpx300BT24p/lp"  
> just
> after you see error you see it again ?

different memcache installations. same version of memcache.

if i request, i dont get the error. so it has to be something related  
in some fashion
to the client.

but i dont see anything special in any fashion about them... the 7  
that came in while i was writing this:

151.213.86.255 - - [13/May/2008:16:24:41 -0400] "GET /s-Pcpx300BT24j/ 
lp HTTP/1.0" 200 24516 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows  
NT 5.1; FunWebProducts)"
75.90.4.28 - - [13/May/2008:16:22:56 -0400] "GET /s-Pcpx300BT24p/lp  
HTTP/1.0" 200 24516 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT  
5.1)"
64.70.15.217 - - [13/May/2008:16:22:33 -0400] "GET /s-Pcpx300BT24p/lp  
HTTP/1.1" 200 24516 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT  
5.1; SV1; .NET CLR 1.1.4322)"
24.128.107.217 - - [13/May/2008:16:27:40 -0400] "GET /s-Pcpx300BT30K/ 
lp HTTP/1.0" 200 24516 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows  
NT 5.1; SV1; .NET CLR 1.1.4322)"
72.231.196.6 - - [13/May/2008:16:28:52 -0400] "GET /s-Pcpx300BT24p/lp  
HTTP/1.0" 200 24516 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT  
5.1; FunWebProducts)"
72.82.225.115 - - [13/May/2008:16:29:24 -0400] "GET /s-Pcpx300BT24p/lp  
HTTP/1.0" 200 24516 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT  
5.1; FunWebProducts)"
72.88.124.28 - - [13/May/2008:16:30:52 -0400] "GET /s-Pcol300BT24j/lp  
HTTP/1.1" 200 24516 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT  
5.1; SV1)"

and the error logs:

2008/05/13 16:22:33 [error] 18511#0: *471 memcached sent invalid  
trailer while sending to client, client: 64.70.15.217, server:  
micro.thepinkpatch.com, request: "GET /s-Pcpx300BT24p/lp HTTP/1.1",  
upstream: "memcached://127.0.0.1:11211", host: "micro.thepinkpatch.com"
2008/05/13 16:22:56 [error] 18511#0: *580 memcached sent invalid  
trailer while sending to client, client: 75.90.4.28, server:  
micro.thepinkpatch.com, request: "GET /s-Pcpx300BT24p/lp HTTP/1.0",  
upstream: "memcached://127.0.0.1:11211", host: "micro.thepinkpatch.com"
2008/05/13 16:24:40 [error] 18511#0: *1022 memcached sent invalid  
trailer while sending to client, client: 151.213.86.255, server:  
micro.thepinkpatch.com, request: "GET /s-Pcpx300BT24j/lp HTTP/1.0",  
upstream: "memcached://127.0.0.1:11211", host: "micro.thepinkpatch.com"
2008/05/13 16:27:40 [error] 18508#0: *2141 memcached sent invalid  
trailer while sending to client, client: 24.128.107.217, server:  
micro.thepinkpatch.com, request: "GET /s-Pcpx300BT30K/lp HTTP/1.0",  
upstream: "memcached://127.0.0.1:11211", host: "micro.thepinkpatch.com"
2008/05/13 16:28:52 [error] 18513#0: *2541 memcached sent invalid  
trailer while sending to client, client: 72.231.196.6, server:  
micro.thepinkpatch.com, request: "GET /s-Pcpx300BT24p/lp HTTP/1.0",  
upstream: "memcached://127.0.0.1:11211", host: "micro.thepinkpatch.com"
2008/05/13 16:29:23 [error] 18511#0: *2738 memcached sent invalid  
trailer while sending to client, client: 72.82.225.115, server:  
micro.thepinkpatch.com, request: "GET /s-Pcpx300BT24p/lp HTTP/1.0",  
upstream: "memcached://127.0.0.1:11211", host: "micro.thepinkpatch.com"
ō2008/05/13 16:30:52 [error] 18509#0: *3198 memcached sent invalid  
trailer while sending to client, client: 72.88.124.28, server:  
micro.thepinkpatch.com, request: "GET /s-Pcol300BT24j/lp HTTP/1.1",  
upstream: "memcached://127.0.0.1:11211", host: "micro.thepinkpatch.com"

they are all coming from XP machines but other than that... not much  
else i can see from it.