Re: [log4perl-devel] Error when re-initializing log4perl

[Mike S. <m...@pe...>]

On Sat, 16 Mar 2013, Marc Zampetti wrote:

> So basically the question I have is that I need to reset and
> re-configure the logging system at some point after the initial
> logging setup. The docs for the init() and init_once() methods suggest
> that calling init() a second time will "reset" and "overwrite" the
> current configuration, which in this case I want.

Can you try if calling

     Log::Log4perl->reset()

before calling init() the second time fixes the problem?

-- -- Mike

Mike Schilli
m...@pe...

> In the test suite, 
> 
> I hope that helps.
> 
> On Sat, Mar 16, 2013 at 4:08 AM, Lee <le...@gm...> wrote:
>       I don't know the L4p source, but I vaguely recall that
>       someone, years ago, possibly in the Log4perl docs, said that
>       the init method was only intended to implement
>       initialisation, not re-initialisation.
>
>       I may be wrong — I can't imagine ever calling init() twice,
>       though I did occasionally do it when I first started using
>       the system, there was some now-forgotten issue that stopped
>       the practice.
>
>       Why are you calling init twice?
>
>       If it is just in case the config has chanced, there is an
>       init-and-watch method.
>
>       If it is to combine configurations, the Hash::Merge module
>       can help, and there is a working example somewhere in the
>       archives of this group.
>
>       HTH
>
>       On 15/03/2013 21:54, Marc Zampetti wrote:
>       I have a program that configures a basic Log4perl
>       config so that I have
>       some sane logging until I'm able to read in the config
>       file with the
>       final configuration. I'm getting an error when calling
>       Log::Log4perl->init() the second time that I cannot
>       seem to track down.
>
>         From the reading of the docs, this is a valid use
>       case. Its a pretty
>       basic perl script, not using fork() or threads or
>       anything, and running
>       from the commandline, not mod_perl or something like
>       that.
>
>       The error I get is:
>
>       Can't call method "log" on an undefined value at
>       /usr/lib/perl5/vendor_perl/5.8.8/Log/Log4perl/Appender.pm
>       line 189.
>
>       This is generated when I do the second
>       Log::Log4perl->init(filename)
>       call. The first call to init passes in a string with
>       the basic
>       configuration.
>
>       Anyone have any ideas what the issue might be?
>
>       I'm running Log4perl-1.40, using Red Hat 5 64-bit.
> 
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