Thanks for the replies guys they have been very helpful!

@Bazsi

Here is the  ldd /usr/local/lib/syslog-ng/libafsql.so
        libsyslog-ng.so.0 => /usr/local/lib/libsyslog-ng.so.0 (0xb7f3c000)
        libdbi.so.1 => /usr/local/lib/libdbi.so.1 (0xb7f30000)
        libpthread.so.0 => /lib/libpthread.so.0 (0xb7f0e000)
        libc.so.6 => /lib/libc.so.6 (0xb7db5000)
        librt.so.1 => /lib/librt.so.1 (0xb7dac000)
        libnsl.so.1 => /lib/libnsl.so.1 (0xb7d93000)
        libgmodule-2.0.so.0 => /lib/libgmodule-2.0.so.0 (0xb7d8f000)
        libdl.so.2 => /lib/libdl.so.2 (0xb7d8a000)
        libgthread-2.0.so.0 => /lib/libgthread-2.0.so.0 (0xb7d85000)
        libglib-2.0.so.0 => /lib/libglib-2.0.so.0 (0xb7ce7000)
        libevtlog.so.0 => /usr/local/lib/libevtlog.so.0 (0xb7ce3000)
        libm.so.6 => /lib/libm.so.6 (0xb7cb9000)
        /lib/ld-linux.so.2 (0xb7fa1000)


I have upgraded the libdbi to the latest, compiled from source and the message seems to have gone away. Now syslog-ng loads up fine but doesn't seem to be writing anything to the database! I will run strace and post up the results shortly, but in the meantime if there are any ideas on what could be happening I would love to hear.



On 10 March 2011 20:59, Hendrik Visage <hvjunk@gmail.com> wrote:


On Wed, Mar 9, 2011 at 9:04 AM, Gergely Nagy <algernon@balabit.hu> wrote:
Eshan Bhide <ebhide@globalgossip.net> writes:

>
> So far so good, but when I try to run syslog-ng it gives me an error:
>
>  syslog-ng
> Error opening plugin module; module='afsql', error='/usr/local/lib/syslog-
> ng/libafsql.so: undefined symbol: dbi_result_free'
> Error opening plugin module; module='afsql', error='/usr/local/lib/syslog-
> ng/libafsql.so: undefined symbol: dbi_result_free'
                                   ^^^^^^^^^^^^^^^

The problem lies here: while the module has been compiled, the DBI
version is probably not fresh enough. I'd suggest compiling libdbi from
CVS.

Perhaps not necessarily from CVS, but do make sure you also compiled the dbi-drivers.

I suspect there might be problems with the afsql not linking/loading libdbi (or it's mysql driver from dbi-drivers)

I'm a low level debugger, so running strace on syslog-ng and posting that would be interesting to confirm/deny my hypothesis.


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