Hi,
I have a question about HTTP status codes.
- I use Apache 2.2.15 + mod_proxy_ajp + Tomcat 6.0.35.
- Apache's Timeout is 90 sec, and Tomcat AJP connector's
connectionTimeout is 10000 (10 sec).
- Apache's keepAlive is off.
- While uploading a large-sized file and waiting the resoponse, I switched
off network of the client machine.
- The Tomcat returned a status code which depended on the application (500
internal server error, 200 OK and so on), but Apache always wrote 200 OK
in its access log.
I'm wondering if it is by design or not that Apache returns 200 OK in such
network error. I don't expect that Apache has to return Tomcat's status
codes, but expect a kind of 50x error.
Any ideas?
The log messages about this are as follows:
----------------------------------------------------------------------------
[12:00:26] A user starts file uploading.
----------------------------------------------------------------------------
==> httpd-2.2.15/logs/error_log <==
[Tue Jul 01 12:00:26 2014] [debug] mod_proxy_ajp.c(45): proxy: AJP: canonicalising URL //localhost:8009/upload/ultest
:
[Tue Jul 01 12:00:26 2014] [debug] mod_proxy_ajp.c(270): proxy: data to read (max 8186 at 4)
[Tue Jul 01 12:00:26 2014] [debug] mod_proxy_ajp.c(285): proxy: got 952 bytes of data
----------------------------------------------------------------------------
[12:00:30] A user disconnects the client's network.
----------------------------------------------------------------------------
(There are no log messages about this.)
----------------------------------------------------------------------------
[12:00:50] Tomcat regognizes the timeout. (20 sec after disconnecting)
----------------------------------------------------------------------------
==> tomcat-6.0.35/logs/catalina.out <==
org.apache.commons.fileupload.FileUploadBase$IOFileUploadException:Processing of multipart/form-data request failed. Read timed out
:
Caused by: java.net.SocketTimeoutException: Read timed out
:
==> tomcat-6.0.35/logs/localhost.2014-07-01.log <==
Jul 01, 2014 12:00:50 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet uploadtest threw exception
javax.servlet.ServletException: FOR DEBUG servlet
:
==> tomcat-6.0.35/logs/localhost_access_log.2014-07-01.txt <==
133.137.177.172 - - [01/Jul/2014:12:00:50 +0900] "POST /upload/ultest HTTP/1.1" 500 1362 23396
----------------------------------------------------------------------------
[12:02:00] Apache recognizes the timeout. (90 sec after disconnecting)
----------------------------------------------------------------------------
==> httpd-2.2.15/logs/error_log <==
[Tue Jul 01 12:02:00 2014] [debug] mod_proxy_ajp.c(379): (70007)The timeout specified has expired: ap_get_brigade failed
[Tue Jul 01 12:02:00 2014] [debug] mod_proxy_ajp.c(545): proxy: Processing of request failed backend: 0, output: 1, data_sent: 0
[Tue Jul 01 12:02:00 2014] [debug] proxy_util.c(2029): proxy: AJP: has released connection for (localhost)
----------------------------------------------------------------------------
[12:03:30] Apache recognizes the timeout. (180 sec after disconnecting)
----------------------------------------------------------------------------
==> httpd-2.2.15/logs/access_log <==
133.137.177.172 - - [01/Jul/2014:12:00:26 +0900] "POST /upload/ultest HTTP/1.1" 200 - 183547381 -
----------------------------------------------------------------------------
Regards,
--
Nozomi Anzai
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