[postgis-users] ERROR: could not load library ... liblwgeom.so.1.2

[Gilles Bassière]

Uwe Seher wrote:
> Am 24.07.2007, 18:45 Uhr, schrieb Gilles Bassière 
> <gilles.bassiere at makina-corpus.com>:
>
>> Hi list
>>
>> I'm in trouble with a fresh install of postGIS 1.2.1 with postgreSQL 
>> 8.2.4
>>
>> After database creation (and plpgsql language creation), I tried to 
>> load postgis function by issuing the command:
>>     psql -d netherlands -f /home/gba/apps/share/lwpostgis.sql
>> and I got the following error:
>>     psql:/home/gba/apps/share/lwpostgis.sql:43: ERROR:  could not 
>> load library "/home/gba/apps/lib/liblwgeom.so.1.2": libgeos_c.so.1: 
>> cannot open shared object file: No such file or directory
>>
>> It seems to be a simple misconfiguration but...
>> 1) libgeos_c.so.1 exists, it's located in /home/gba/apps/lib, as 
>> liblwgeom.so.1.2.
>> 2) /home/gba/apps/lib is in LD_LIBRARY_PATH and in a conf file in 
>> /etc/ld.so.conf.d
>> 3) I did ldconfig as root
>> 4) Finally, ldd /home/gba/apps/lib/liblwgeom.so.1.2 
>> /home/gba/apps/lib/libgeos_c.so.1 ouputs the following:
>> /home/gba/apps/lib/liblwgeom.so.1.2:
>>         linux-gate.so.1 =>  (0xffffe000)
>>         libgeos_c.so.1 => /home/gba/apps/lib/libgeos_c.so.1 (0xb7f08000)
>>         libproj.so.0 => /home/gba/apps/lib/libproj.so.0 (0xb7ed5000)
>>         libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7d87000)
>>         libgeos.so.2 => /home/gba/apps/lib/libgeos.so.2 (0xb7c83000)
>>         libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7b99000)
>>         libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0xb7b72000)
>>         libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7b66000)
>>         /lib/ld-linux.so.2 (0x80000000)
>> /home/gba/apps/lib/libgeos_c.so.1:
>>         linux-gate.so.1 =>  (0xffffe000)
>>         libgeos.so.2 => /home/gba/apps/lib/libgeos.so.2 (0xb7e21000)
>>         libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7d2b000)
>>         libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0xb7d03000)
>>         libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7bc2000)
>>         libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7bb6000)
>>         /lib/ld-linux.so.2 (0x80000000)
>>
>> I read several posts on this list related to library problems and 
>> tried the proposed solutions but I still can't get rid of that error...
>> Is there any known bug about Geos and PostGis, do I use the right 
>> versions ?
>>
>> By the way, here is some additional information about my config
>> - Ubuntu 7.0.4 feisty
>> - postgreSQL 8.2.4 installed through apt-get
>> - geos 2.2.3 compiled from source
>> - proj 4.5.0 compiled from source
>>
>> I'm stuck... Does anybody can help ?
>>
>
> Hi!
>
> I had the same promlem, some time ago. It disappeard when i was 
> starting the sql-command inside the sourcetree of postgis. Another 
> solution was to change the path variable in the sql-statement with the 
> absolute path to the lib. No brilliant solution, but it works... ;)
> If you have a fresh geos-installation, an ldconfig -v (?) in maybe 
> usefull.
> Another thing: you have to ensure, that the postgres-user can read the 
> lib, so you have zu check the rw-settings in your /home-dir.
>
> Bye Uwe
>
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Hi Uwe and thank you very much for your help !
The first 2 solutions didn't work with my config but I tried ldconfig 
once again and notice that my application directory was not scanned. I 
finally realised that my ld.so.conf wasn't properly configured... ooops !
Thanks anyway

Bye Gilles

-- 
Gilles Bassiere
MAKINA CORPUS
30 rue des Jeuneurs
FR-75011 PARIS
http://www.makina-corpus.com