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

Hi, Steve, I tried different version of the library. All did not work. It turns out that I have to use the libboost_log-vc90-s-1_55.lib instead of libboost_log-vc90-mt-1_55.lib. Thanks! Regards, Triston On Thursday, March 20, 2014, Xiande Cao wrote:

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 javascript:_e(%7B%7D,'cvml','watanabesj@gmail.com');

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wrote:

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AMDG

On 03/19/2014 11:13 AM, Xiande Cao wrote:

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Here is where the program stops, In "formater_parser.cpp file const std::size_t len = end - begin; if (std::char_traits< char_type

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::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)

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Here is the call stack,

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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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-- Triston Xiande Cao