进行数据操作时报错：

quant_ctp_XTrader: /usr/local/include/boost/smart_ptr/scoped_ptr.hpp:97: T* boost::scoped_ptr<T>::operator->() const [with T = mongo::AtomicWord<unsigned int>]: Assertion `px != 0' failed.
Aborted (core dumped)

解决办法：

在连接之前，加上：

mongo::client::initialize();

附上一段MongoDB的C++连接代码tutorial.cpp：

#include <cstdlib>
#include <iostream>
#include <mongo/client/dbclient.h> // for the driver

void run() {
  mongo::DBClientConnection c;
  c.connect("localhost");
  mongo::DBClientConnection c1;
  c1.connect("localhost");
}

int main() {
    mongo::client::initialize();
    try {
        run();
        std::cout << "connected ok" << std::endl;
    } catch( const mongo::DBException &e ) {
        std::cout << "caught " << e.what() << std::endl;
    }
    return EXIT_SUCCESS;
}

编译脚本：

g++ -std=c++0x tutorial.cpp -pthread -lmongoclient -lboost_thread -lboost_system -lboost_regex -o tutorial

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