Hi Daniel<br><br><br>i just tested the new version, now the mtree module is properly loaded.<br>Logs when the server has been stopped (fisrt attempt):<br>r_ctl<br>Jan 19 04:49:58 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:130]: connection OK<br>
Jan 19 04:49:58 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:159]: sending query ok: 0x92fc00 (7) - [select tname,tprefix,tvalue from mtree order by tname]<br>Jan 19 04:49:58 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: <core> [db_res.c:118]: allocate 48 bytes for result set at 0x94d020<br>
Jan 19 04:49:58 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:229]: 0x92fc00 PQresultStatus(PGRES_FATAL_ERROR) PQgetResult(0x2b52d00)<br>Jan 19 04:49:58 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: ERROR: db_postgres [km_dbase.c:247]: 0x92fc00 - invalid query, execution aborted<br>
Jan 19 04:49:58 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: ERROR: db_postgres [km_dbase.c:249]: 0x92fc00 - PQresultStatus(PGRES_FATAL_ERROR)<br>Jan 19 04:49:58 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: ERROR: db_postgres [km_dbase.c:251]: 0x92fc00: server closed the connection unexpectedly#012#011This probably means the server terminated abnormally#012#011before or while processing the request.#012<br>
<br>Server down, second attempt (the server down condition is properly detected):<br><br>Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:133]: connection reset<br>
Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:326]: PQclear(0x2b52d00) result set<br>Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: WARNING: db_postgres [km_dbase.c:167]: postgres query command failed, connection status 1, error [no connection to the server#012]<br>
Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:170]: reseting the connection to postgress server<br>Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: WARNING: db_postgres [km_dbase.c:167]: postgres query command failed, connection status 1, error [no connection to the server#012]<br>
Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:170]: reseting the connection to postgress server<br>Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: WARNING: db_postgres [km_dbase.c:167]: postgres query command failed, connection status 1, error [no connection to the server#012]<br>
Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:170]: reseting the connection to postgress server<br>Jan 19 04:50:18 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: ERROR: db_postgres [km_dbase.c:175]: 0x92fc00 PQsendQuery Error: no connection to the server#012could not connect to server: Connection refused#012#011Is the server running on host "x.x.x.x" and accepting#012#011TCP/IP connections on port 5432?#012 Query: select tname,tprefix,tvalue from mtree order by tname<br>
<br>Server back up (the connection is restarted nad it works fine):<br><br>Jan 19 04:50:44 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:133]: connection reset<br>Jan 19 04:50:44 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:159]: sending query ok: 0x92fc00 (7) - [select tname,tprefix,tvalue from mtree order by tname]<br>
Jan 19 04:50:44 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: <core> [db_res.c:118]: allocate 48 bytes for result set at 0x94d020<br>Jan 19 04:50:44 kam-test /usr/local/kamailio.20110118/sbin/kamailio[7403]: DEBUG: db_postgres [km_dbase.c:229]: 0x92fc00 PQresultStatus(PGRES_TUPLES_OK) PQgetResult(0x2b52d00)<br>
<br><br>Regards<br><br>Javi<br><br><br><br><br><div class="gmail_quote">On Tue, Jan 18, 2011 at 11:55 AM, Daniel-Constantin Mierla <span dir="ltr"><<a href="mailto:miconda@gmail.com">miconda@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000000">
Hello,<br>
<br>
I did a new tuning, skipping reconnect in submit query if connection
is ok - the result might be broken due to other reasons and will be
reported when fetching it. If you can try again and report, would be
appreciated.<br>
<br>
Thanks,<br><font color="#888888">
Daniel</font><div><div></div><div class="h5"><br>
<br>
On 1/18/11 11:34 AM, Javier Gallart wrote:
<blockquote type="cite">Hi Daniel<br>
<br>
<br>
I tested the patch but the mtree module fails to start:<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: <core>
[db.c:202]: using db bind api for db_postgres<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: <core>
[db.c:285]: connection 0x931768 not found in pool<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: db_postgres
[km_pg_con.c:51]: db_id = 0x931768<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: db_postgres
[km_pg_con.c:64]: 0x9319b8=pkg_malloc(72)<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: db_postgres
[km_pg_con.c:76]: opening connection: postgres://<a href="http://xxxx:xxxx@79.170.68.171/routing" target="_blank">xxxx:xxxx@79.170.68.171/routing</a><br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: db_postgres
[km_pg_con.c:80]: PQsetdbLogin(0x2259780)<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: mtree
[mtree_mod.c:255]: database connection opened successfully<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: WARNING: db_postgres
[km_dbase.c:161]: postgres result check failed with code 7
(PGRES_FATAL_ERROR)<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: WARNING: db_postgres
[km_dbase.c:165]: postgres query command failed, connection status
0, error []<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: WARNING: db_postgres
[km_dbase.c:165]: postgres query command failed, connection status
0, error [another command is already in progress#012]<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: WARNING: db_postgres
[km_dbase.c:165]: postgres query command failed, connection status
0, error [another command is already in progress#012]<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: ERROR: db_postgres
[km_dbase.c:173]: 0x931660 PQsendQuery Error: another command is
already in progress#012 Query: select tname,tprefix,tvalue from
mtree order by tname<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: ERROR: <core>
[db_query.c:101]: error while submitting query<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: ERROR: mtree
[mtree_mod.c:626]: Error while querying db<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: ERROR: mtree
[mtree_mod.c:296]: cannot load trees from database<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: <core>
[db_pool.c:102]: removing connection from the pool<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: db_postgres
[km_pg_con.c:124]: PQfinish(0x2259780)<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: DEBUG: db_postgres
[km_pg_con.c:128]: pkg_free(0x9319b8)<br>
Jan 18 04:15:55 kam-test ./kamailio[4616]: ERROR: <core>
[sr_module.c:875]: init_mod(): Error while initializing module
mtree (/usr/local/kamailio.20110117/lib/kamailio/modules/mtree.so)<br>
<br>
I don't see an easy way to fix this, because even after the server
restart, PQsendQuery will return 1, and therefore
db_postgres_fetch_result is executed and fails. I will keep
looking into this, for now it's not a big issue since we know that
the second attempt works fine....<br>
<br>
<br>
Thanks<br>
<br>
Javi<br>
<br>
<div class="gmail_quote">On Sun, Jan 16, 2011 at 11:09 PM,
Daniel-Constantin Mierla <span dir="ltr"><<a href="mailto:miconda@gmail.com" target="_blank">miconda@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000000"> Hello,<br>
<br>
made a commit to fix in such case, when the broken
connection is reported after doing actually the query,
attempting to reconnect then. Let me know if works now.<br>
<br>
Cheers,<br>
<font color="#888888"> Daniel</font>
<div>
<div><br>
<br>
On 1/16/11 6:17 PM, Javier Gallart wrote:
<blockquote type="cite">Hi Daniel, <br>
<br>
I'm using postgres 8.4 at the server and libpq5
library for the client. I've been testing again and
the problem is that after a db restart (no matter if
done through a service restart or having t down for
some time), the PQstatus(CON_CONNECTION(_con))
function returns a CONNECTION_OK and therefore it
doesn't try to reconnect. It's on the second attempt
of the mt_reload that it returns the correct
CONNECTION_BAD value, and reconnection at that point
works perfectly well.<br>
<br>
First attempt after db restart (I've added a dbg
message if we get a CONNECTION_OK):<br>
<br>
Jan 16 12:03:00 kam-test ./kamailio[22214]: DEBUG:
db_postgres [km_dbase.c:129]: connection OK<br>
Jan 16 12:03:00 kam-test ./kamailio[22214]: DEBUG:
db_postgres [km_dbase.c:155]: sending query ok:
0x92f888 - [select tname,tprefix,tvalue from mtree
order by tname]<br>
Jan 16 12:03:00 kam-test ./kamailio[22214]: DEBUG:
<core> [db_res.c:118]: allocate 48 bytes for
result set at 0x94cd08<br>
Jan 16 12:03:00 kam-test ./kamailio[22214]: DEBUG:
db_postgres [km_dbase.c:222]: 0x92f888
PQresultStatus(PGRES_FATAL_ERROR)
PQgetResult(0x1a30d10)<br>
Jan 16 12:03:00 kam-test ./kamailio[22214]: ERROR:
db_postgres [km_dbase.c:238]: 0x92f888 - invalid
query, execution aborted<br>
Jan 16 12:03:00 kam-test ./kamailio[22214]: ERROR:
db_postgres [km_dbase.c:239]: 0x92f888 -
PQresultStatus(PGRES_FATAL_ERROR)<br>
Jan 16 12:03:00 kam-test ./kamailio[22214]: ERROR:
db_postgres [km_dbase.c:240]: 0x92f888: server closed
the connection unexpectedly#012#011This probably means
the server terminated abnormally#012#011before or
while processing the request.#012<br>
<br>
Second attempt:<br>
<br>
Jan 16 12:03:08 kam-test ./kamailio[22214]: DEBUG:
db_postgres [km_dbase.c:132]: connection reset<br>
Jan 16 12:03:08 kam-test ./kamailio[22214]: DEBUG:
db_postgres [km_dbase.c:315]: PQclear(0x1a30d10)
result set<br>
Jan 16 12:03:08 kam-test ./kamailio[22214]: DEBUG:
db_postgres [km_dbase.c:155]: sending query ok:
0x92f888 - [select tname,tprefix,tvalue from mtree
order by tname]<br>
<br>
Thanks!<br>
<br>
Javi<br>
<br>
<br>
<br>
<div class="gmail_quote"> On Fri, Jan 14, 2011 at
11:42 AM, Daniel-Constantin Mierla <span dir="ltr"><<a href="mailto:miconda@gmail.com" target="_blank">miconda@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000000"> Hello,<br>
<br>
what version of postgres and postgres client
library are you using?<br>
<br>
According to the docs from devel manual, this is
the function that should be used to reconnect:<br>
<br>
<dt><code>PQreset</code> </dt>
<dd> Resets the communication channel to the
server.
<pre>void PQreset(PGconn *conn);
</pre>
This function will close the connection to the
server and attempt to reestablish a new
connection to the same server, using all the
same parameters previously used. This may be
useful for error recovery if a working
connection is lost.</dd>
<br>
<br>
You may see more here:<br>
<a href="http://www.network-theory.co.uk/docs/postgresql/vol2/DatabaseConnectionControlFunctions.html" target="_blank">http://www.network-theory.co.uk/docs/postgresql/vol2/DatabaseConnectionControlFunctions.html</a><br>
<br>
Somehow seems not to work in this case. Can you
try also with a shorter down time for postgres
server, like a normal restart? Would be
intrested to see if the client side loses
somehow connection parameters due to long time
unconnected.<br>
<br>
Cheers,<br>
<font color="#888888"> Daniel</font>
<div>
<div><br>
<br>
On 1/14/11 11:15 AM, Javier Gallart wrote:
<blockquote type="cite">Hi Daniel<br>
<br>
<br>
this is my test:<br>
<br>
1- Kamailio starts and correctly loads the
mtree <br>
2- I make whatever modification in the
tree and reload with mt_reload<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: db_postgres
[km_dbase.c:153]: sending query ok:
0x92f880 - [select tname,tprefix,tvalue
from mtree order by tname]<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:118]: allocate 48 bytes for
result set at 0x94cd00<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: db_postgres
[km_dbase.c:220]: 0x92f880
PQresultStatus(PGRES_TUPLES_OK)
PQgetResult(0x29f05f0)<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: db_postgres
[km_res.c:108]: 3 columns returned from
the query<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:155]: allocate 24 bytes for
result names at 0x94cc60<br>
[....]<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: db_postgres
[km_res.c:267]: freeing row buffer at
0x94c940<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: mtree
[mtree.c:738]: adding new tname [1]<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:54]: freeing 3 rows<br>
[...]<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:94]: freeing result names at
0x94cc60<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:99]: freeing result types at
0x94cbc0<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:136]: freeing result set at
0x94cd00<br>
Jan 14 04:19:06 kam-test
./kamailio[31205]: DEBUG: db_postgres
[km_dbase.c:313]: PQclear(0x29f05f0)
result set<br>
<br>
3. Postgres DB restarts (either through
restart, or /stop/wait a minute/start)<br>
No log is written in Kamailio when this
happens.<br>
<br>
4.- I try again to reload the tree, and
these are the logs:<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: DEBUG: db_postgres
[km_dbase.c:153]: sending query ok:
0x92f880 - [select tname,tprefix,tvalue
from mtree order by tname]<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:118]: allocate 48 bytes for
result set at 0x94cd00<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: DEBUG: db_postgres
[km_dbase.c:220]: 0x92f880
PQresultStatus(PGRES_FATAL_ERROR)
PQgetResult(0x29ef0a0)<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: ERROR: db_postgres
[km_dbase.c:236]: 0x92f880 - invalid
query, execution aborted<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: ERROR: db_postgres
[km_dbase.c:237]: 0x92f880 -
PQresultStatus(PGRES_FATAL_ERROR)<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: ERROR: db_postgres
[km_dbase.c:238]: 0x92f880: server closed
the connection unexpectedly#012#011This
probably means the server terminated
abnormally#012#011before or while
processing the request.#012<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:81]: freeing 0 columns<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: DEBUG: <core>
[db_res.c:136]: freeing result set at
0x94cd00<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: ERROR: mtree
[mtree_mod.c:633]: Error while fetching
result<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: ERROR: db_postgres
[km_dbase.c:329]: invalid parameter value<br>
Jan 14 04:21:42 kam-test
./kamailio[31205]: ERROR: mtree
[mtree_mod.c:744]: cannot re-load info
from database<br>
<br>
Thanks in advance<br>
<br>
<br>
Regards<br>
<br>
Javi<br>
<br>
<div class="gmail_quote">On Thu, Jan 13,
2011 at 1:56 PM, Daniel-Constantin
Mierla <span dir="ltr"><<a href="mailto:miconda@gmail.com" target="_blank">miconda@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000000">
Can you send the log messages
(debug=3) for that moment (restart
of pg server and making a new
call/registration)?<br>
<br>
Daniel
<div>
<div><br>
<br>
On 1/13/11 12:00 PM, Javier
Gallart wrote: </div>
</div>
<blockquote type="cite">
<div>
<div>Hi Daniel<br>
<br>
I have just tested it and I'm
getting the same results. This
is the kamailio version I'm
testing:<br>
root@kam-test:/usr/local/kamailio/sbin#
./kamailio -V<br>
version: kamailio 3.2.0-dev2
(x86_64/linux) 35568f<br>
<br>
Thanks!<br>
<br>
Javi<br>
<br>
<br>
<div class="gmail_quote">On
Tue, Jan 4, 2011 at 3:46 PM,
Javier Gallart <span dir="ltr"><<a href="mailto:jgallartm@gmail.com" target="_blank">jgallartm@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> Hi
list
<div><br>
</div>
<div>we have been testing
the mtree module. We do
periodical reloads of
the mtree table with the
"mi mt_reload" command
through xmlrpc. It works
fine except when the db
is restarted. If we
manually restart the db
and then try the
mt_reload commands we
get this error:</div>
<div>
<div>Jan 4 09:13:17
server /usr/local/kamailio-3.1.1/sbin/kamailio[28534]:
ERROR: db_postgres
[km_dbase.c:152]:
0xa6a490 PQsendQuery
Error: server closed
the connection
unexpectedly#012#011This
probably means the
server terminated
abnormally#012#011before
or while processing
the request.#012
Query: select
partition,prefix,route
from trees order by
partition</div>
<div>Jan 4 09:13:17
server
/usr/local/kamailio-3.1.1/sbin/kamailio[28534]:
ERROR: <core>
[db_query.c:101]:
error while submitting
query</div>
<div>Jan 4 09:13:17
server
/usr/local/kamailio-3.1.1/sbin/kamailio[28534]:
ERROR: mtree
[mtree_mod.c:622]:
Error while querying
db</div>
<div>Jan 4 09:13:17
server
/usr/local/kamailio-3.1.1/sbin/kamailio[28534]:
ERROR: mtree
[mtree_mod.c:738]:
cannot re-load info
from database</div>
</div>
<div><br>
</div>
<div>Is there a way to
reconnect to the db
before sending that
command?</div>
<div><br>
</div>
<div>Thanks in advance</div>
<div><br>
</div>
<div>Regards</div>
<div><br>
</div>
<div>Javi</div>
<div><br>
</div>
</blockquote>
</div>
<br>
</div>
</div>
<pre><fieldset></fieldset>
_______________________________________________
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</pre>
</blockquote>
<div> <br>
<pre cols="72">--
Daniel-Constantin Mierla
Kamailio (OpenSER) Advanced Training
Jan 24-26, 2011, Irvine, CA, USA
<a href="http://www.asipto.com" target="_blank">http://www.asipto.com</a></pre>
</div>
</div>
</blockquote>
</div>
<br>
<pre><fieldset></fieldset>
_______________________________________________
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</pre>
</blockquote>
<br>
<pre cols="72">--
Daniel-Constantin Mierla
Kamailio (OpenSER) Advanced Training
Jan 24-26, 2011, Irvine, CA, USA
<a href="http://www.asipto.com" target="_blank">http://www.asipto.com</a></pre>
</div>
</div>
</div>
</blockquote>
</div>
<br>
</blockquote>
<br>
<pre cols="72">--
Daniel-Constantin Mierla
Kamailio (OpenSER) Advanced Training
Jan 24-26, 2011, Irvine, CA, USA
<a href="http://www.asipto.com" target="_blank">http://www.asipto.com</a></pre>
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Daniel-Constantin Mierla
Kamailio (OpenSER) Advanced Training
Jan 24-26, 2011, Irvine, CA, USA
<a href="http://www.asipto.com" target="_blank">http://www.asipto.com</a></pre>
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