>>>>> On Wed, 29 Sep 2010 13:34:53 +0300, Spiros Ioannou said:
> 
>   I tried to upgrade from 3.0.1  to 5.0.3 , and it's been a nightmare for 
> 2 days.
> after giving up on bat (it's is a impossible to compile due to a variety 
> of errors, reminding me of compiling software in the early 90's),
> 
> I'm now stuck with bacula-dir not starting, with the following error in 
> the log:
> 29-Sep 13:22 bacula-dir: ABORTING due to ERROR in postgresql.c:303
> Pg client library must be thread-safe when using BatchMode.
> 
> but, postgres is 8.3.3 configured with  --enable-thread-safety, and in 
> bacula's config.log I could find:
> configure:29051: checking for PQisthreadsafe in -lpq
> configure:29086: gcc -o conftest -g -O2   conftest.c -lpq  -ldl  
> -L/usr/local/pgsql/lib -lpq -lcrypt >&5
> configure:29092: $? = 0
> configure:29110: result: yes
> ....
> ac_cv_lib_pq_PQisthreadsafe=yes
> 
> doing an ltrace bacula-dir though, outputs this:
> PQisthreadsafe(0x6c1920, 0, 0x6c1920, 0, 0x134ed28) = 0
> 
> please help as I'm now left without backup since I've updated the DB to 
> the new version.
> Thanks.
> system is CentOs 5.3
> postgres 8.3.3
> bacula 5.0.3

The configure check doesn't actually call PQisthreadsafe, so it might say yes
even if PQisthreadsafe returns 0.

Is bacula-dir definitely using your thread-safe libpq.so?  E.g. check with
ldd.

__Martin

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