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Posted to users@tomcat.apache.org by Fernando Mercês <na...@gmail.com> on 2011/04/25 22:51:23 UTC
CPing/CPong issue ever with mod_jk 1.2.31
Hello.
I'm having the error reported on ticket 49413 [1] but I'm using the
newest mod_jk version. I also confirmed the patch explained in ticket
by looking at source code. I'm using JBoss 4.2.3 AS with Tomcat 5.5.
These lines are from mod_jk.log file. Can anyone help me on how to
interpret these entry fields? Particularly the second field between
brackets and the fifth field between parenthesis. I would like to know
what is this.
The last line is the same error from bug report, but logged as
warning. I'm having many busy threads on AS side and I think it's
linked.
[Mon Apr 18 09:02:33.223 2011] [380:34] [error]
ajp_connect_to_endpoint::jk_ajp_common.c (985): (inter02-cadun-i3)
cping/cpong after connecting to the backend server failed (errno=145)
[Mon Apr 18 09:02:33.223 2011] [380:34] [error]
ajp_send_request::jk_ajp_common.c (1578): (inter02-cadun-i3)
connecting to backend failed. Tomcat is probably not started or is
listening on the wrong port (errno=145)
[Mon Apr 18 09:02:33.433 2011] [284:27] [error]
ajp_connect_to_endpoint::jk_ajp_common.c (985): (inter02-cadun-i3)
cping/cpong after connecting to the backend server failed (errno=145)
[Sat Apr 16 16:03:57.616 2011] [11872:39] [warn]
ajp_handle_cping_cpong::jk_ajp_common.c (906): awaited reply cpong,
received 3 instead. Closing connection
Thanks.
[1] https://issues.apache.org/bugzilla/show_bug.cgi?id=49413
Att,
@Fernando Mercês
Linux Registered User #432779
www.mentebinaria.com.br
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Re: CPing/CPong issue ever with mod_jk 1.2.31
Posted by Christopher Schultz <ch...@christopherschultz.net>.
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Fernando,
On 4/25/2011 4:51 PM, Fernando Mercês wrote:
> These lines are from mod_jk.log file. Can anyone help me on how to
> interpret these entry fields? Particularly the second field between
> brackets and the fifth field between parenthesis. I would like to know
> what is this.
>
> [Mon Apr 18 09:02:33.223 2011] [380:34] [error]
> ajp_connect_to_endpoint::jk_ajp_common.c (985): (inter02-cadun-i3)
> cping/cpong after connecting to the backend server failed (errno=145)
[380:34] is [pid:tid] of the process and thread.
"ajp_connect_to_endpoint::jk_ajp_common.c (985)" is the file and line
number on which the error occurred. So, if you look at jk_ajp_common.c
on line 985, you'll find that it's in the ajp_connect_to_endpoint function:
if (rc == JK_FALSE)
jk_log(l, JK_LOG_ERROR, // Line 985
"(%s) cping/cpong after connecting to the backend
server failed (errno=%d)",
ae->worker->name, ae->last_errno);
All of this is in the code: you only have to look at two source files to
discover what I have posted.
- -chris
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