[OpenSIPS-Users] xlog adding information to output

Bogdan-Andrei Iancu bogdan at opensips.org
Thu Apr 12 16:02:12 EDT 2018

Hi Ben,

Yes, this change was done on purpose for logs consistency reasons. As 
when you log via syslog you will get *all* the time the process name, 
pid and data as suffix, we considered that printing to strerr should 
follow the same model and have *all* the time the same prefix for the 

Now, I guess you grep the logs by some sort of an application (before 
having them pushed as jsons for later processing) - maybe you can do 
some extra pre-processing the strip the prefix before parsing it as json.


Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
OpenSIPS Summit 2018

On 04/06/2018 10:58 PM, Ben Newlin wrote:
> Hi,
> Yet another question. ☺
> We use the json module to structure our output to and then print using 
> xlog. Our log consumer processes the json format and can process and 
> index our logs.
> It appears that in 2.x the xlog module now always prepends a date 
> string and the process number before every log. This is causing the 
> logs to not be valid json format and they are not parsed properly by 
> our consumer.
> I know that OpenSIPS’ internal logs always print in this format with 
> the date and process number in front. Was this an intentional change 
> to make xlog print this way as well? Can it be disabled in any way?
> I’m pretty sure I remember someone else asking about this not too long 
> ago but I couldn’t find the thread in the archive.
> Thanks,
> Ben Newlin
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