Re: [boost] [serialization] "stream error" when port from boost_1.33 toboost_1.36

Subject: Re: [boost] [serialization] "stream error" when port from boost_1.33 toboost_1.36
From: Robert Ramey (ramey_at_[hidden])
Date: 2008-09-25 13:04:57

Take a look at the xml archive and see if there are any anomolies in it.

Robert Ramey

ipangth wrote:
>> I just port a project using boost_1.33_1 to use boost_1.36.
>> The project has a Server class using a std::set<Server>
>> serialization,
>> the serialization save and load functions code see behind.
>>
>> I use gcc 4.1 and run on FC6.
>> The porting problem is, when the old boost_1.33 generates(save) a
>> xml file, then use  boost_1.36 load the xml throws an exception
>> "stream error"!
>>
>> the exception error code line : boost::archive::xml_iarchive ia(ifs);
>>
>> How can i sovle it?
>>
>>
>> class Server
>> {
>> public:
>>   int id;
>>   std::string ip;
>>   int port;
>>
>> private:
>>   static std::set<Server> lst_;
>>
>>   static int dirty_;
>> };
>>
>> #endif
>>
>>
>>
>> #ifdef USE_SERVER_SERIALIZATION
>>
>> #ifndef _SERVER_SERIALIZATION_
>> #define _SERVER_SERIALIZATION_
>>
>> BOOST_CLASS_VERSION(Server, 1)
>> namespace boost {
>>   namespace serialization {
>>
>>       template <class archive>
>>       void serialize(archive & ar, Server & t, const unsigned int
>>       ver) {
>>           ar & BOOST_SERIALIZATION_NVP(t.id);
>>           ar & BOOST_SERIALIZATION_NVP(t.ip);
>>           ar & BOOST_SERIALIZATION_NVP(t.port);
>>       }
>>
>>   }
>> }
>>
>> #endif
>>
>> #endif
>>
>> int Server::save(    const std::string & file)
>> {
>>   try {
>>       std::ofstream ofs(file.c_str(), std::ios::binary);
>>       {
>>       boost::archive::xml_oarchive oa(ofs);
>>       oa << BOOST_SERIALIZATION_NVP(lst_);
>>       }
>>   } catch(...) {
>>       return ERROR_ERROR;
>>   }
>>
>>
>>
>>   return ERROR_SUCCEED;
>> }
>>
>>
>> int  Server::load(const std::string & file)
>> {
>>       std::set<Server> Server::lst_;
>>       try
>>       {
>>         std::ifstream ifs(file.c_str(), std::ios::binary);
>>
>>         {
>>           boost::archive::xml_iarchive ia(ifs);
>>           ia >> BOOST_SERIALIZATION_NVP(lst_);
>>         }
>>       }
>>       catch(std::exception & e)
>>       {
>>                       std::cout  << e.what() << std::endl;
>>       }
>>
>>       return 0;
>> }
>>
>>
>>
>>
>> --
>> Best regards,
>> PangYongQiang
>>
>
>
>
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