Re: [Boost-users] About log example in visual studio 2008

Subject: Re: [Boost-users] About log example in visual studio 2008
From: Xiande Cao (xiande.cao_at_[hidden])
Date: 2014-03-20 16:59:53

Hi, Stev,

Thanks for your reply and help. I don't know. But I guess it might me the
problem of the lib file I linked.  I linked libboost_log-vc90-mt-1_55.lib
file which is build on my machine.
I will try another machine to see what goes wrong because all the example
case for log failed on my machine.
Again, Thanks a lot. I will let you know when it is done.

Best regards,

Triston

On Thu, Mar 20, 2014 at 10:30 AM, Steven Watanabe <watanabesj_at_[hidden]>wrote:

> AMDG
>
> On 03/19/2014 11:13 AM, Xiande Cao wrote:
> > Here is where the program stops,
> > In "formater_parser.cpp file
> >         const std::size_t len = end - begin;
> >         if (std::char_traits< char_type
> >> ::length(constants::message_text_keyword()) == len &&
> >             std::char_traits< char_type
> >> ::compare(constants::message_text_keyword(), begin, len) == 0)
> >         {
> >             m_AttrName = log::aux::default_attribute_names::message();
> >         }
> >         else
> >         {
> >  ???-->           m_AttrName =
> > attribute_name(log::aux::to_narrow(string_type(begin, end)));
> >         }
> >     }
> >
>
> I can't reproduce this.  I've tried (with 1.55)
> cd libs\log\example\basic_usage
> b2 variant=debug,release link=static,shared threading=single,multi
> msvc-9.0express msvc-11.0/architecture=x86/address-model=32,64
>
> and everything seems to be okay.  (I changed the target
> type from exe to unit-test so that it would run the example)
>
> > Here is the call stack,
> >> cvsie.exe!boost::log::v2s_mt_nt5::`anonymous
> > namespace'::formatter_parser<char>::on_attribute_name(const char *
> > begin=0x000000013f259a81, const char * end=0x000000013f259a8a)  Line 359
> +
> > <snip>
> > The error shows:
> > Unhandled exception at 0x000000013f146b63 in cvsie.exe: 0xC0000005:
> Access
> > violation reading location 0x0000000000000070.
> >
>
> Looks like a null pointer.  Can you figure out which variable
> is null?  It obviously isn't either of the arguments.  What
> about "this?"
>
> In Christ,
> Steven Watanabe
>
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