Re: Last-modified фича?

proforg proforg at maloletka.ru
Fri Sep 28 22:29:54 MSD 2007


$date_gmt, насколько я понимаю, не  
существует в этот момент.
это же переменная ngx_http_ssi_module
а вот почему падает воркер непонятно.

Program terminated with signal 11, Segmentation fault.
#0  ngx_http_ssi_date_gmt_local_variable (r=0x80c2a90, v=0x80c33d4,  
gmt=1) at src/http/modules/ngx_http_ssi_filter_module.c:2583
2583        if (ctx->timefmt.len == sizeof("%s") - 1
(gdb) bt
#0  ngx_http_ssi_date_gmt_local_variable (r=0x80c2a90, v=0x80c33d4,  
gmt=1) at src/http/modules/ngx_http_ssi_filter_module.c:2583
#1  0x08074c99 in ngx_http_get_indexed_variable (r=0x80c2a90,  
index=7) at src/http/ngx_http_variables.c:375
#2  0x08077115 in ngx_http_script_copy_var_len_code (e=0x7) at src/ 
http/ngx_http_script.c:453
#3  0x080762b0 in ngx_http_script_run (r=0x80c2a90, value=0xbfd0c7e4,  
code_lengths=0x80bca6c, len=0, code_values=0x80bca9c) at src/http/ 
ngx_http_script.c:331
#4  0x0807f3a9 in ngx_http_headers_filter (r=0x80c2a90) at src/http/ 
modules/ngx_http_headers_filter_module.c:166
#5  0x0807f46c in ngx_http_not_modified_header_filter (r=0x1b) at src/ 
http/modules/ngx_http_not_modified_filter_module.c:60
#6  0x08066fa6 in ngx_http_send_header (r=0x80c3318) at src/http/ 
ngx_http_core_module.c:1207
#7  0x08088545 in ngx_http_autoindex_handler (r=0x80c2a90) at src/ 
http/modules/ngx_http_autoindex_module.c:236
#8  0x0806a99b in ngx_http_core_content_phase (r=0x80c2a90,  
ph=0x80de424) at src/http/ngx_http_core_module.c:873
#9  0x08066cc5 in ngx_http_core_run_phases (r=0x80c2a90) at src/http/ 
ngx_http_core_module.c:592
#10 0x08066de8 in ngx_http_handler (r=0x7) at src/http/ 
ngx_http_core_module.c:575
#11 0x0806ce0f in ngx_http_process_request (r=0x80c2a90) at src/http/ 
ngx_http_request.c:1448
#12 0x0806f224 in ngx_http_process_request_headers (rev=0x80f5bdc) at  
src/http/ngx_http_request.c:934
#13 0x0806f6de in ngx_http_process_request_line (rev=0x80f5bdc) at  
src/http/ngx_http_request.c:742
#14 0x0806c548 in ngx_http_init_request (rev=0x80f5bdc) at src/http/ 
ngx_http_request.c:455
#15 0x0806cf64 in ngx_http_init_connection (c=0x80e1c28) at src/http/ 
ngx_http_request.c:199
#16 0x0805afad in ngx_event_accept (ev=0x80f5b74) at src/event/ 
ngx_event_accept.c:251
#17 0x08062f2f in ngx_epoll_process_events (cycle=0x80b0ad8,  
timer=4294967295, flags=<value optimized out>) at src/event/modules/ 
ngx_epoll_module.c:521
#18 0x08059ca5 in ngx_process_events_and_timers (cycle=0x80b0ad8) at  
src/event/ngx_event.c:245
#19 0x080606cd in ngx_worker_process_cycle (cycle=0x80b0ad8,  
data=0x0) at src/os/unix/ngx_process_cycle.c:760
#20 0x0805efd1 in ngx_spawn_process (cycle=0x80b0ad8, proc=0x806003b  
<ngx_worker_process_cycle>, data=0x0, name=0x8096f4f "worker  
process", respawn=0)
     at src/os/unix/ngx_process.c:187
#21 0x0806106c in ngx_master_process_cycle (cycle=0x80b0ad8) at src/ 
os/unix/ngx_process_cycle.c:561
#22 0x0804b30c in main (argc=1, argv=Cannot access memory at address 0xb
) at src/core/nginx.c:353
(gdb)

On 28.09.2007, at 21:11, Oleg Motienko wrote:

> Кстати, попробовал протестировать  
> для такой конфигурации
>
> location / {
>             ssi  on;
>             ssi_silent_errors on;
>             proxy_pass http://127.0.0.3:80;
>             proxy_set_header   Host             $host;
>             proxy_set_header  X-Real-IP  $remote_addr;
>             sub_filter  </body> '<!--#include virtual="/banners.html"
> --></body>';
>             sub_filter_once   off;
> #           add_header Last-Modified $date_gmt;
>             expires     1h;
> }
>
> Если включаю строчку add_header, то  
> получаю пустой ответ, даже без  
> заголовков.
> В логе вижу:
>
> 2007/09/28 21:10:07 [notice] 21240#0: start worker processes
> 2007/09/28 21:10:07 [notice] 21240#0: start worker process 21241
> 2007/09/28 21:10:13 [notice] 21240#0: signal 20 (SIGCHLD) received
> 2007/09/28 21:10:13 [alert] 21240#0: worker process 21241 exited on  
> signal 11
> 2007/09/28 21:10:13 [notice] 21240#0: start worker process 21278
> 2007/09/28 21:10:14 [notice] 21240#0: signal 20 (SIGCHLD) received
> 2007/09/28 21:10:14 [alert] 21240#0: worker process 21278 exited on  
> signal 11
> 2007/09/28 21:10:14 [notice] 21240#0: start worker process 21279
> 2007/09/28 21:10:16 [notice] 21240#0: signal 20 (SIGCHLD) received
> 2007/09/28 21:10:16 [alert] 21240#0: worker process 21279 exited on  
> signal 11
> 2007/09/28 21:10:16 [notice] 21240#0: start worker process 21280
>
>
>
>
> On 9/28/07, proforg <proforg at maloletka.ru> wrote:
>> On 28.09.2007, at 19:05, Gena Makhomed wrote:
>>
>>> Здравствуйте, Evgeny!
>>>
>>> Friday, September 28, 2007, 5:26:30 PM, you wrote:
>>>
>>>>>> Довольно часто требуется вставить
>>>>>> асинхронно сгенерированный кусок
>>>>>> в страницу (чаще всего
>>>>>> закэшированный) с помощью ssi.
>>>>>> Терять last-modified при этом не хотелось
>>>>>> бы.
>>>
>>>>> Last-modified чего должен остаться ?
>>>>> Страницы или вставляемого куска  
>>>>> (ов) ?
>>>>> Или самого нового из них ?
>>>
>>> ES> Самого нового, конечно.
>>>
>>> модуль ngx_http_ssi имеет встроенную
>>> переменную $date_gmt
>>> модуль ngx_http_headers имеет директиву  
>>> add_header
>>>
>>> разве add_header Last-Modified: $date_gmt;
>>> (или через промежуточный set) не будет
>>> работать?
>>>
>>> PS http://sysoev.ru/nginx/docs/
>>
>> И что это даст ? Текущщее время  как Last-
>> modified ?
>> Зачем ???
>>
>> Алексей Бещёков
>> proforg at maloletka.ru
>> +7 495 7853149
>>
>>
>>
>>
>>
>
>
> -- 
> Regards,
> Oleg



Алексей Бещёков
proforg at maloletka.ru
+7 495 7853149



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