id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
3831	property_tree::read_json unable to handle large integers.	Michael Anderson <drmikeando@…>	Sebastian Redl	"Trying to read json that contains a value outside the range of an int into a property tree produces the following error
{{{
terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::property_tree::json_parser::json_parser_error> >'
  what():  <unspecified file>(1): expected value
}}}

This is due to the use of a int_p parser in the spirit parsing code.
Applying the following patch
{{{
Index: boost/property_tree/detail/json_parser_read.hpp
===================================================================
--- boost/property_tree/detail/json_parser_read.hpp	(revision 58794)
+++ boost/property_tree/detail/json_parser_read.hpp	(working copy)
@@ -233,7 +233,7 @@
                 
                 number 
                     =   strict_real_p 
-                        | int_p
+                        | ( ! ( (ch_p('+') | ch_p('-') ) ) ) >> *digit_p 
                         ;
                 
                 string 
}}}
Seems to fix this.

The following example demonstrates the issue.
{{{
#include ""boost/property_tree/json_parser.hpp""
#include ""boost/property_tree/info_parser.hpp""

int main()
{
  boost::property_tree::ptree pt;
  std::string s(""{\""v1\"":124567890123,\""v2\"":+124567890123,\""v3\"":-124567890123}"");
  std::stringstream ss;
  ss<<s;
  boost::property_tree::read_json( ss, pt );
  boost::property_tree::write_json( std::cout, pt );
}
}}}
This outputs
{{{
{
    ""v1"": ""124567890123"",
    ""v2"": ""+124567890123"",
    ""v3"": ""-124567890123""
}
}}}
When the patch is applied.
"	Bugs	closed	Boost 1.42.0	property_tree	Boost Development Trunk	Problem	fixed