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Jun 26, 2006, 6:47 AM
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[Bug 37770] - proxy: error reading status line from remote server (null)
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------- Additional Comments From ob[at]dorrboel.com 2006-06-26 13:47 -------
Same problem, here :
Configuration : Apache 2.2.2 (with worker MPM) on Solaris 9 proxying to an IIS
6.0 back-end server.
No core dump produced.
As I understand, truss (see below) shows that the process uses a file (25, in
the example below) handle to communicate with the back-end server but does not
check whether it is still usable or not.
This file handle seems to be used from the connection pool ("As of Apache 2.1,
the ability to use pooled connections to a backend server is available").
Result from truss :
3313/19: 3.9623 read(25, 0xFDA7B997, 1) Err#131
ECONNRESET
3313/19: 3.9624 write(11, 0xFDA79938, 126) = 126
3313/19: [. M o n J u n 2 6 1 4 : 3 7 : 3 6 2 0 0 6 ] [ d e
b u
3313/19: g ] p r o x y _ u t i l . c ( 2 1 4 1 ) : p r o x y :
H T
3313/19: T P : c o n n e c t i o n c o m p l e t e t o 1 3
6 . 1
3313/19: 7 3 . 2 1 . 2 4 3 : 8 8 8 8 ( e i c i t e s t v s 0 9 )\n
3313/19: 3.9628 writev(25, 0xFDA7B780, 3) Err#32
EPIPE
3313/19: iov_base = 0x003F2278 iov_len = 1057
3313/19: P O S T / E i c i - A D M / A u t h e n t i c a t i o n /
u s
...
3313/1: 3.9628 Received signal #13, SIGPIPE, in read() [ignored]
3313/19: 3.9635 write(11, 0xFDA795B8, 123) = 123
3313/19: [. M o n J u n 2 6 1 4 : 3 7 : 3 6 2 0 0 6 ] [ i n
f o
3313/19: ] [. c l i e n t 1 3 6 . 1 7 3 . 2 1 . 2 4 3 ] ( 3 2 )
B r
3313/19: o k e n p i p e : c o r e _ o u t p u t _ f i l t e
r : w
3313/19: r i t i n g d a t a t o t h e n e t w o r k\n
3313/19: 3.9639 read(25, 0x003D6208, 8000) = 0
3313/19: 3.9641 write(11, 0xFDA77910, 158) = 158
3313/19: [. M o n J u n 2 6 1 4 : 3 7 : 3 6 2 0 0 6 ] [ e r
r o
3313/19: r ] [. c l i e n t 1 3 6 . 1 7 3 . 2 2 . 1 3 7 ] p r o
x y
3313/19: : e r r o r r e a d i n g s t a t u s l i n e f r
o m
3313/19: r e m o t e s e r v e r e i c i t e s t v s 0 9 , r
e f
3313/19: e r e r : h t t p : / / e i c i a p p q u a / G E D A /\n
3313/19: 3.9656 write(11, 0xFDA77888, 186) = 186
3313/19: [. M o n J u n 2 6 1 4 : 3 7 : 3 6 2 0 0 6 ] [ e r
r o
3313/19: r ] [. c l i e n t 1 3 6 . 1 7 3 . 2 2 . 1 3 7 ] p r o
x y
3313/19: : E r r o r r e a d i n g f r o m r e m o t e s e
r v
3313/19: e r r e t u r n e d b y / E i c i - A D M / A u t h e
n t
3313/19: i c a t i o n / u s e r i n f o s e c . a s p , r e f e r
e r
3313/19: : h t t p : / / e i c i a p p q u a / G E D A /\n
3313/19: 3.9658 write(11, 0xFDA798D0, 111) = 111
3313/19: [. M o n J u n 2 6 1 4 : 3 7 : 3 6 2 0 0 6 ] [ d e
b u
3313/19: g ] p r o x y _ u t i l . c ( 1 8 1 6 ) : p r o x y :
H T
3313/19: T P : h a s r e l e a s e d c o n n e c t i o n f o r
3313/19: ( e i c i t e s t v s 0 9 )\n
3313/19: 3.9661 close(25) = 0
3313/19: 3.9664 read(24, 0x003EE268, 8000) Err#11
EAGAIN
3313/19: 3.9666 writev(24, 0xFDA7BBF0, 2) = 729
3313/19: iov_base = 0x003F4280 iov_len = 188
3313/19: H T T P / 1 . 1 5 0 2 P r o x y E r r o r\r\n D a t e :
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[Bug 37770] - proxy: error reading status line from remote server (null)
