id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
11662,Parse Json,KigKrazy@…,Sebastian Redl,"use Boost to Parse Json on linux!
when I use it with multithreading ，the Program crash！！

my code:
json_test.h
{{{
#ifndef UNIT_JSON_BUGTEST_H
#define UNIT_JSON_BUGTEST_H
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/json_parser.hpp>
#include <boost/foreach.hpp>
#include <boost/thread/thread.hpp>
#include <sstream>
#include <map>

using namespace boost;
using namespace boost::property_tree;
using namespace std;
#define JSON_BUG ""{\""onlineUser\"":[{\""username\"":\""131898@QQ.COM\"",\""framedipaddress\"":\""10.10.1.3\""},{\""username\"":\""a258055085@163.com\"",\""framedipaddress\"":\""10.10.1.4\""},{\""username\"":\""77476848@QQ.COM\"",\""framedipaddress\"":\""10.10.1.5\""},{\""username\"":\""tyws0001@163.com\"",\""framedipaddress\"":\""10.10.1.10\""},{\""username\"":\""zbr7066895@163.com\"",\""framedipaddress\"":\""10.10.1.9\""},{\""username\"":\""1733064835@qq.com\"",\""framedipaddress\"":\""10.10.1.12\""}]}""


typedef multimap<string, string> onlineuser_map;
onlineuser_map get_online_user_map(const string strJson);
void unit_json_bugtest_main();
#endif

}}}


json_test.cpp

{{{
#include ""unit_json_bugtest.h""

onlineuser_map get_online_user_map(const string strJson)
{
	onlineuser_map mymap;
	//  cout << strJson << endl;
	stringstream ssJson(strJson);
	ptree pt;

	try{
		read_json(ssJson, pt);
	}
	catch(...)
	{
		cout << ""read json string error"" <<endl;
		return mymap;
	}

	try{
		ptree ptInfoArray = pt.get_child(""onlineUser"");
		BOOST_FOREACH(ptree::value_type &v, ptInfoArray)
		{
			ptree ptChild;
			std::stringstream streamChild;
			write_json(streamChild, v.second);
			json_parser::read_json(streamChild, ptChild);
			mymap.insert(make_pair(ptChild.get<string>(""username""), ptChild.get<string>(""framedipaddress"")));
		}
	}
	catch(...)
	{
		mymap.clear();
		cout << ""read json string error"" <<endl;
		return mymap;
	}
	return mymap;
}
int i;
void my_thread_fun(int itest)
{
	get_online_user_map(JSON_BUG);
	cout << ""i'm OK!!: "" << itest<<endl; 
}

void main()
{
	i = 0;
	while(1)
	{
		thread th(my_thread_fun,i);
		i++;
		usleep(10);

	}
}

}}}


",Bugs,new,To Be Determined,property_tree,Boost 1.58.0,Problem,,"Json,ptree",