0005203: mod_caucho.so make wrong socket timeout in linux

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Category

Severity

Reproducibility

Date Submitted

Last Update

0005203

[Resin]

major

always

08-31-12 05:19

08-31-12 11:03

Reporter

ssmax

View Status

public

Assigned To

ferg

Priority

normal

Resolution

fixed

Platform

Status

closed

Projection

none

OS Version

ETA

none

Fixed in Version

4.0.31

Product Version

4.0.29

Product Build

Summary

0005203: mod_caucho.so make wrong socket timeout in linux

Description

resin pro 4.0.29 --enable-64bit --enable-jni --with-apxs=...
jdk: oracle java version "1.6.0_31"
Java(TM) SE Runtime Environment (build 1.6.0_31-b04)
Java HotSpot(TM) 64-Bit Server VM (build 20.6-b01, mixed mode)
apache: 2.2.4 / 2.2.22
os: centos 5.8 final
kernel: 2.6.18-308.1.1.el5 / 2.6.18-308.13.1.el5 / etc..

when use resin as a srun server behind apache httpd, every pages that load over 5 seconds in resin will lead to a 503 reponse in apache.

i use an old version mod_caucho.so (4.0.24) to replcace the new one , and keep it connect to the new resin ( 4.0.29 ), it works fine.

after a long time trace, i found some new code in 4.0.29:

resin-pro-4.0.29/modules/c/src/common/stream.c

#define WINDOWS_READ_TIMEOUT 3600
...
  srun->read_timeout = WINDOWS_READ_TIMEOUT;
...

#ifdef HAS_SOCK_TIMEOUT
  timeout.tv_sec = srun->read_timeout / 1000;
  timeout.tv_usec = srun->read_timeout % 1000 * 1000;

  setsockopt(s->socket, SOL_SOCKET, SO_RCVTIMEO,
             (char *) &timeout, sizeof(timeout));

  timeout.tv_sec = srun->read_timeout / 1000;
  timeout.tv_usec = srun->read_timeout % 1000 * 1000;
  setsockopt(s->socket, SOL_SOCKET, SO_SNDTIMEO,
             (char *) &timeout, sizeof(timeout));
#endif

i think srun->read_timeout should be used for windows here , stands for one hour(3600 seconds).

but when compile the code in linux, the flag HAS_SOCK_TIMEOUT is defined.
so the code will stop all response which write first byte after 3.6 seconds.

i try to modify srun->read_timeout to a bigger value , and recompile it , then everything goes right.

there are some bugs in the recent update of resin , i think you guys should care more about the part of c code....

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Issue History
Date Modified	Username	Field	Change
08-31-12 05:19	ssmax	New Issue
08-31-12 11:03	ferg	Assigned To	=> ferg
08-31-12 11:03	ferg	Status	new => closed
08-31-12 11:03	ferg	Resolution	open => fixed
08-31-12 11:03	ferg	Fixed in Version	=> 4.0.31

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