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Posted to dev@tomcat.apache.org by bu...@apache.org on 2009/12/17 06:21:08 UTC
DO NOT REPLY [Bug 48400] New: HTTP Post Request is set to
recoverable on timeout waiting for response from tomcat
https://issues.apache.org/bugzilla/show_bug.cgi?id=48400
Summary: HTTP Post Request is set to recoverable on timeout
waiting for response from tomcat
Product: Tomcat Connectors
Version: 1.2.28
Platform: PC
OS/Version: Linux
Status: NEW
Severity: major
Priority: P2
Component: mod_jk
AssignedTo: dev@tomcat.apache.org
ReportedBy: discoversudhir@gmail.com
mod_jk retries http post requests in case of timeout in getting response from
tomcat with default configurations(no retries or recovery_options specified).
AFAIK HTTP Get and Head requests are only considered idempotent, shouldn't post
requests be non-recoverable ?
We are using apache <--> mod_jk-1.2.28 <--AJP13--> tomcat
We also are using DisableReuse flag in mod_jk config
I understand this can be fixed with disabling the recovery option.
Wondering if its a default config issue or a bug in mod_jk.
If it is intentional can someone please explain the intention ?
mod_jk logs :
----------------------------
[Tue Dec 15 05:53:50 2009] [13935:0] [debug] init_ws_service::mod_jk.c (935):
Service protocol=HTTP/1.1 method=POST
ssl=true host=(null) addr=XXXXXXXX name=XXXXXXXXX port=XXXX auth=(null)
user=(null) laddr=XXXXXXXX raddr=XXXXXXXX uri=/XXXXXXXXXXXX-MASKING--XXXX
[Tue Dec 15 05:53:50 2009] [13935:0] [debug] jk_open_socket::jk_connect.c
(541): timeout 120 set for socket=43
[Tue Dec 15 05:53:50 2009] [13935:0] [debug] jk_open_socket::jk_connect.c
(576): trying to connect socket 43 to
127.0.0.1:8009
[Tue Dec 15 05:53:50 2009] [13935:0] [debug] jk_open_socket::jk_connect.c
(602): socket 43 connected to 127.0.0.1:8009
[Tue Dec 15 05:53:50 2009] [13935:0] [debug]
ajp_connection_tcp_send_message::jk_ajp_common.c (1070): sending to ajp13
pos=4 len=2495 max=8192
After 2 mins ........
[Tue Dec 15 05:55:50 2009] [13935:0] [debug] jk_shutdown_socket::jk_connect.c
(681): About to shutdown socket 43
[Tue Dec 15 05:55:52 2009] [13935:0] [debug] jk_shutdown_socket::jk_connect.c
(732): Shutdown socket 43 and read 0
lingering bytes
[Tue Dec 15 05:55:52 2009] [13935:0] [info]
ajp_connection_tcp_get_message::jk_ajp_common.c (1150): (consWorker) can't
receive the response header message from tomcat, network problems or tomcat
(127.0.0.1:8009) is down (errno=11)
[Tue Dec 15 05:55:52 2009] [13935:0] [error] ajp_get_reply::jk_ajp_common.c
(1962): (consWorker) Tomcat is down or
refused connection. No response has been sent to the client (yet)
[Tue Dec 15 05:55:52 2009] [13935:0] [info] ajp_service::jk_ajp_common.c
(2447): (consWorker) sending request to tomcat
failed (recoverable), (attempt=1)
[Tue Dec 15 05:55:52 2009] [13935:0] [debug] ajp_service::jk_ajp_common.c
(2304): retry 1, sleeping for 100 ms before
retrying
[Tue Dec 15 05:55:53 2009] [13935:0] [debug] ajp_send_request::jk_ajp_common.c
(1501): (consWorker) all endpoints are
disconnected.
[Tue Dec 15 05:55:53 2009] [13935:0] [debug] jk_open_socket::jk_connect.c
(452): socket TCP_NODELAY set to On
[Tue Dec 15 05:55:53 2009] [13935:0] [debug] jk_open_socket::jk_connect.c
(541): timeout 120 set for socket=43
[Tue Dec 15 05:55:53 2009] [13935:0] [debug] jk_open_socket::jk_connect.c
(576): trying to connect socket 43 to
127.0.0.1:8009
[Tue Dec 15 05:55:53 2009] [13935:0] [debug] jk_open_socket::jk_connect.c
(602): socket 43 connected to 127.0.0.1:8009
[Tue Dec 15 05:55:53 2009] [13935:0] [debug]
ajp_connect_to_endpoint::jk_ajp_common.c (931): Connected socket 43 to
(127.0.0.1:8009)
[Tue Dec 15 05:55:53 2009] [13935:0] [debug]
ajp_connection_tcp_send_message::jk_ajp_common.c (1070): sending to ajp13
pos=4 len=2495 max=8192
----------------------------
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[Bug 48400] HTTP Post Request is set to recoverable on timeout
waiting for response from tomcat
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=48400
Philippe Mouawad <p....@ubik-ingenierie.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |p.mouawad@ubik-ingenierie.c
| |om
--- Comment #2 from Philippe Mouawad <p....@ubik-ingenierie.com> ---
Hello Rainer,
Can those better defaults be found somewhere ? I looked at svn branch 1.3 but
only found ROADMAP.
Regarding "don't retry POST by default",
Can this be configured by setting:
recovery_options=27
Thanks
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[Bug 48400] HTTP Post Request is set to recoverable on timeout
waiting for response from tomcat
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=48400
--- Comment #3 from Rainer Jung <ra...@kippdata.de> ---
Hi Philippe,
look for workers.properties (*not* the "minimal" one) and httpd-jk.conf in
http://svn.apache.org/viewvc/tomcat/jk/trunk/conf/ or in the conf/ directory of
every released source archive download (starting many years ago).
For recovery_options, yes, "3" or "27" are reasonable defaults. See
http://tomcat.apache.org/connectors-doc/reference/workers.html.
Please post further questions to the appropriate Tomcat mailing list (mostly
the users list), not here.
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[Bug 48400] HTTP Post Request is set to recoverable on timeout
waiting for response from tomcat
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=48400
--- Comment #4 from Philippe Mouawad <p....@ubik-ingenierie.com> ---
Thanks a lot for answers Rainer.
I thought it might be interesting to ask here so that other users can find the
answer in the related issue.
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DO NOT REPLY [Bug 48400] HTTP Post Request is set to recoverable on
timeout waiting for response from tomcat
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=48400
Rainer Jung <ra...@kippdata.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |WONTFIX
--- Comment #1 from Rainer Jung <ra...@kippdata.de> 2009-12-17 02:26:04 UTC ---
(In reply to comment #0)
> I understand this can be fixed with disabling the recovery option.
>
> Wondering if its a default config issue or a bug in mod_jk.
Default config issue. It should have been "don't retry POST by default", but
for compatibility reasons the wrong defaults chosen once were never changed
during 1.2.x. This will be kept as is and only change for the next "major"
version 1.3. For that we will change a lot of configuration options to more
sensble defaults.
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