open-source-parsers/jsoncpp

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A C++ library for interacting with JSON.

Stars: 8.9k
Forks: 2.7k
Open beginner issues: 0
Indexed issues: 101
Avg merge: 31m
Merged PRs (30d): 1

Dominant language: C++
License: No license data
Last GitHub push: Aug 20, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

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101 open issues indexed

GitHub Action should be added to ensure JSONCPP_USE_SECURE_MEMORY build does not regress Open

build

Difficulty 3/5 1-2 days Newbie friendliness 55/100

open-source-parsers/jsoncpp#1712 · Opened Aug 20, 2026
Missing prototype for function added in 1.9.8 Open

Difficulty 1/5 Under an hour Newbie friendliness 87/100

open-source-parsers/jsoncpp#1705 · Opened Jul 7, 2026
Denial-of-service from uncontrolled deep recursion in OurReader::readValue (exceed stackLimit) Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

open-source-parsers/jsoncpp#1704 · Opened Jul 4, 2026
Enhance toStyledString to Support Custom Formatting, Decimal Precision, and Indentation Control Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-source-parsers/jsoncpp#1616 · Opened Aug 4, 2025
Failed to insert std::string into Json::Value when using MSVC Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-source-parsers/jsoncpp#1587 · Opened Dec 16, 2024
Cannot statically link jsoncpp with my CMake project Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 42/100

open-source-parsers/jsoncpp#1537 · 1 comment · Opened Jun 6, 2024
Is it necessary to add a function that filters out json format strings? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1536 · Opened May 21, 2024
If I am using the Centos6.5 linux system, which version is suitable for me to use ? Open

question

Difficulty 5/5 Over a week Newbie friendliness 15/100

open-source-parsers/jsoncpp#1532 · Opened Mar 6, 2024
how std::string and a Json::Value string convert, each other? Open

question

Difficulty 3/5 1-2 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1530 · 1 comment · Opened Feb 26, 2024
Why are the branches of the if statement not implemented consistently? Open

bug question

Difficulty 4/5 3-5 days Newbie friendliness 30/100

open-source-parsers/jsoncpp#1520 · Opened Dec 1, 2023
Tests write to source tree when invoked via CMake Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 48/100

open-source-parsers/jsoncpp#1515 · Opened Sep 28, 2023
How to set both key and value pair as variable Open

question

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

open-source-parsers/jsoncpp#1511 · Opened Sep 18, 2023
GDB pretty print support Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-source-parsers/jsoncpp#1507 · 3 reactions · Opened Aug 21, 2023
terminate called after throwing an instance of 'Json::LogicError' Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

open-source-parsers/jsoncpp#1506 · Opened Aug 14, 2023
VS2013 debug build crashes compiler Open

bug build

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1504 · Opened Jul 22, 2023
LF to CRLF Open

question

Difficulty 3/5 1-2 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1501 · Opened Jul 11, 2023
May it better that using ArrayIndex= size_t rather than ArrayIndex=unsigned int? Open

bug enhancement

Difficulty 4/5 3-5 days Newbie friendliness 28/100

open-source-parsers/jsoncpp#1496 · 1 comment · Opened Jul 5, 2023
Support cmake config with meson build Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-source-parsers/jsoncpp#1493 · 2 comments · 3 reactions · Opened Jun 10, 2023
Serialization Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-source-parsers/jsoncpp#1492 · Opened Jun 9, 2023
find_package(jsoncpp REQUIRED) failed Open

bug build

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1489 · 2 comments · 1 reaction · Opened May 14, 2023
If the first line of comments uses Chinese, an error will be reported Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-source-parsers/jsoncpp#1485 · 1 comment · Opened Apr 27, 2023
should Value::isConvertibleTo consider about int64? Open

bug question

Difficulty 3/5 1-2 days Newbie friendliness 30/100

open-source-parsers/jsoncpp#1482 · 3 comments · Opened Apr 9, 2023
There are some errors when using reader. parse() Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 30/100

open-source-parsers/jsoncpp#1481 · Opened Apr 9, 2023
Json::Reader Reader.parse("1asd") Json::Reader Reader.parse("asd") There is a serious problem with Json syntax analysis Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1473 · Opened Mar 15, 2023
Performance impact of parsing json string"new" way vs "old" way Open

question

Difficulty 4/5 3-5 days Newbie friendliness 30/100

open-source-parsers/jsoncpp#1472 · Opened Mar 12, 2023
CMake FetchContent build error Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-source-parsers/jsoncpp#1466 · 3 comments · Opened Feb 9, 2023
Linking debug .dll (via vcpkg) to debug build of windows app causes string corruption issues Open

bug build

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-source-parsers/jsoncpp#1465 · 1 comment · 1 reaction · Opened Feb 8, 2023
runtime function giving the version (as a string) Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-source-parsers/jsoncpp#1464 · 1 comment · Opened Feb 7, 2023
Avoid setting global CMake directories Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 38/100

open-source-parsers/jsoncpp#1451 · 8 comments · Opened Dec 4, 2022
Data Corruption on Name in Output Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-source-parsers/jsoncpp#1449 · 2 comments · 1 reaction · Opened Nov 26, 2022
TESTING: legacy_test_real13.json parsing failed. Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-source-parsers/jsoncpp#1446 · 2 comments · Opened Nov 17, 2022
jsoncpp:x64-linux is already installed BUT cannot find -ljsoncpp: No such file or directory Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 30/100

open-source-parsers/jsoncpp#1437 · Opened Sep 23, 2022
GCC 12.2.0 build warning for uninitialized variable Open

bug build

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

open-source-parsers/jsoncpp#1433 · 1 comment · 2 reactions · Opened Sep 12, 2022
"Warning: corrupt .drectve at end of def file" error when building with CMake Open

bug build

Difficulty 4/5 3-5 days Newbie friendliness 30/100

open-source-parsers/jsoncpp#1430 · Opened Aug 19, 2022
APP eventually crash when using libjsoncpp.so.24, help!!! Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1429 · Opened Aug 18, 2022
When link in nvidia， there are below errors ? How to solve it ? Open

bug question

Difficulty 3/5 1-2 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1426 · Opened Aug 3, 2022
Change signature of newCharReader to return uniqu_ptr Open

bug enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-source-parsers/jsoncpp#1422 · 5 comments · Opened Jul 23, 2022
When generating JSON data, the CPU is too high Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

open-source-parsers/jsoncpp#1418 · Opened Jul 15, 2022
How to serialize json::value object and loop to unserialize? Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

open-source-parsers/jsoncpp#1415 · Opened Jul 7, 2022
how to check if the key existed in Json::Value? Open

question

Difficulty 1/5 Under an hour Newbie friendliness 25/100

open-source-parsers/jsoncpp#1414 · 4 comments · Opened Jul 3, 2022
SHARED jsoncpp ERRER Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-source-parsers/jsoncpp#1411 · Opened Jun 13, 2022
Negative infinity round-trips as invalid JSON Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-source-parsers/jsoncpp#1405 · 4 comments · Opened May 18, 2022
Passing Json::Value to a function in C++ dll is throwing read access violation exception Open

bug build

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-source-parsers/jsoncpp#1403 · Opened May 18, 2022
Float to JSON with specific format Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-source-parsers/jsoncpp#1400 · 1 comment · Opened Apr 4, 2022
Converting string values to other types Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

open-source-parsers/jsoncpp#1396 · Opened Mar 12, 2022
Unsigned Long Support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-source-parsers/jsoncpp#1395 · Opened Mar 11, 2022
JsonCpp failed to run "jsoncpp_readerwriter" and "jsoncpp_readerwriter_json_checker" tests on release and debug configuration with MSVC on windows x86 and x64 Open

bug build

Difficulty 4/5 3-5 days Newbie friendliness 42/100

open-source-parsers/jsoncpp#1392 · Opened Mar 2, 2022
GSHandlerCheck Error Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-source-parsers/jsoncpp#1391 · Opened Feb 16, 2022
Problems with Jsoncpp_test while building Open

bug build

Difficulty 3/5 1-2 days Newbie friendliness 28/100

open-source-parsers/jsoncpp#1390 · Opened Feb 15, 2022
I have encountered some problems with floating point conversion Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-source-parsers/jsoncpp#1389 · Opened Feb 11, 2022

open-source-parsers/jsoncpp

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