[Mapserver-users] connection string
Johan Duflost
jduflost at ben.vub.ac.be
Thu Apr 1 07:21:22 EST 2004
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I think I found the source of the problem. The libpq.dll (postgresql =
client interface) included in the binary distribution of mapserver =
contains a bug listed in pgsql-bugs mailing list.
Does anybody know where I can find a new version of that library ?
Thanks
Johan
----- Original Message -----=20
From: Johan Duflost=20
To: mapserver-users at lists.gis.umn.edu=20
Sent: Thursday, April 01, 2004 11:24 AM
Subject: [Mapserver-users] connection string
Hi all,
I installed mapserver in tomcat under windows and I need to connect to =
a postgis db on another host but the following error message is returned =
:
msPOSTGISLayerOpen(): Query error. couldnt make connection to DB with =
connect string 'user=3Dpgmap password=3Dpgmap dbname=3Dgis host=3Dcanis =
port=3D5432'.=20
Error reported was 'unknown host name: canis '.=20
This error occured when trying to make a connection to the specified =
postgresql server.=20
Most commonly this is caused by=20
(1) incorrect connection string=20
(2) you didnt specify a 'user=3D...' in your connection string=20
(3) the postmaster (postgresql server) isnt running=20
(4) you are not allowing TCP/IP connection to the postmaster=20
(5) your postmaster is not running on the correct port - if its not on =
5432 you must specify a 'port=3D...'=20
(6) the security on your system does not allow the webserver (usually =
user 'nobody') to make socket connections to the postmaster=20
(7) you forgot to specify a 'host=3D...' if the postmaster is on a =
different machine
(8) you made a typo=20
I checked all these possibilities but all of them seem to be right. Is =
this a bug of mapserver on windows ?
Does anybody have an idea ?
Thanks in advance,
Johan Duflost
Johan Duflost
Analyst Programmer
Belgian Biodiversity Information Facility (BeBIF)
Universite Libre de Bruxelles (ULB)
Boulevard du Triomphe - campus de la plaine
B-1050 Bruxelles
http://gis.bebif.be
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I think I found the source of the =
problem. The=20
libpq.dll (postgresql client interface) included in the binary =
distribution of=20
mapserver contains a bug listed in pgsql-bugs mailing list.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Does anybody know where I can find a =
new version of=20
that library ?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Johan</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Djduflost at ben.vub.ac.be =
href=3D"mailto:jduflost at ben.vub.ac.be">Johan=20
Duflost</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
title=3Dmapserver-users at lists.gis.umn.edu=20
=
href=3D"mailto:mapserver-users at lists.gis.umn.edu">mapserver-users at lists.g=
is.umn.edu</A>=20
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Thursday, April 01, 2004 =
11:24=20
AM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [Mapserver-users] =
connection=20
string</DIV>
<DIV><FONT face=3DArial size=3D2></FONT><BR></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Hi all,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I installed mapserver in tomcat under =
windows and=20
I need to connect to a postgis db on another host but the following =
error=20
message is returned :</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV>msPOSTGISLayerOpen(): Query error. couldnt make connection to DB =
with=20
connect string 'user=3Dpgmap password=3Dpgmap dbname=3Dgis =
host=3Dcanis port=3D5432'.=20
<BR>Error reported was 'unknown host name: canis '. <BR>This error =
occured=20
when trying to make a connection to the specified postgresql server. =
<BR>Most=20
commonly this is caused by <BR>(1) incorrect connection string <BR>(2) =
you=20
didnt specify a 'user=3D...' in your connection string <BR>(3) the =
postmaster=20
(postgresql server) isnt running <BR>(4) you are not allowing TCP/IP=20
connection to the postmaster <BR>(5) your postmaster is not running on =
the=20
correct port - if its not on 5432 you must specify a 'port=3D...' =
<BR>(6) the=20
security on your system does not allow the webserver (usually user =
'nobody')=20
to make socket connections to the postmaster <BR>(7) you forgot to =
specify a=20
'host=3D...' if the postmaster is on a different machine<BR>(8) you =
made a typo=20
</DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I checked all these possibilities but =
all of them=20
seem to be right. Is this a bug of mapserver on windows ?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Does anybody have an idea =
?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks in advance,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Johan Duflost</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Johan Duflost<BR>Analyst =
Programmer<BR>Belgian=20
Biodiversity Information Facility (BeBIF)<BR>Universite Libre de =
Bruxelles=20
(ULB)<BR>Boulevard du Triomphe - campus de la plaine<BR>B-1050 =
Bruxelles<BR><A=20
=
href=3D"http://gis.bebif.be">http://gis.bebif.be</A><BR></FONT></DIV></BL=
OCKQUOTE></BODY></HTML>
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