JSON parser exception after refreshing token

[TimKrause2]

Here is the output of grive with --debug enabled

HTTP POST "https://www.googleapis.com/drive/v2/files" with "{"parents":[{"id":"0B4RChP-vlFkwYVdGZWZ2Z25GQ1k"}],"title":"duplicity-full.20150625T172107Z.vol34.difftar.gz"}"
HTTP response 200
HTTP PUT "https://www.googleapis.com/upload/drive/v2/files/0B4RChP-vlFkweVpTQ29DNGxYR3c?uploadType=media"
HTTP response 401
resquest failed due to auth token expired: 401. refreshing token
HTTP PUT "https://www.googleapis.com/upload/drive/v2/files/0B4RChP-vlFkweVpTQ29DNGxYR3c?uploadType=media"
exception: /home/tim/src/grive2-master/libgrive/src/json/JsonParser.cc(169): Throw in function void gr::JsonParser::Parse(const char_, std::size_t)
Dynamic exception type: boost::exception_detail::clone_implgr::JsonParser::Error
[gr::expt::BacktraceTag_] = #0 0x4f8f90 :0 gr::Exception::Exception()
#1 0x4efe35 :0 gr::JsonParser::Error::Error()
#2 0x4efac1 :0 gr::JsonParser::Parse(char const*, unsigned long)
#3 0x4ebc15 :0 gr::http::ValResponse::Write(char const*, unsigned long)
#4 0x4d94ae :0 gr::http::CurlAgent::Receive(void_, unsigned long, unsigned long, gr::DataStream_)
#5 0x7f841e922cd0 /usr/lib/x86_64-linux-gnu/libcurl.so.4
#6 0x7f841e937650 /usr/lib/x86_64-linux-gnu/libcurl.so.4
#7 0x7f841e9409dc /usr/lib/x86_64-linux-gnu/libcurl.so.4
#8 0x7f841e941181 /usr/lib/x86_64-linux-gnu/libcurl.so.4 curl_multi_perform
#9 0x7f841e9387b3 /usr/lib/x86_64-linux-gnu/libcurl.so.4 curl_easy_perform
#10 0x4d95f2 :0 gr::http::CurlAgent::ExecCurl(std::string const&, gr::DataStream*, gr::http::Header const&)
#11 0x4d9b8d :0 gr::http::CurlAgent::Put(std::string const&, gr::File_, gr::DataStream_, gr::http::Header const&)
#12 0x4e0712 :0 gr::AuthAgent::Put(std::string const&, gr::File_, gr::DataStream_, gr::http::Header const&)
#13 0x4d37fc :0 gr::v2::Syncer2::Upload(gr::Resource*)
#14 0x4d2dcc :0 gr::v2::Syncer2::Create(gr::Resource*)
#15 0x50088a :0 gr::Resource::SyncSelf(gr::Syncer*, gr::Val const&)
#16 0x500522 :0 gr::Resource::Sync(gr::Syncer*, gr::DateTime&, gr::Val const&)
#17 0x503ceb :0 boost::mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>::operator()(gr::Resource, gr::Syncer_, gr::DateTime&, gr::Val const&) const
#18 0x503407 :0 void boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val >::operator()<boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list1gr::Resource*& >(boost::_bi::type, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>&, boost::_bi::list1gr::Resource*&&, int)
#19 0x502b70 :0 void boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > >::operator()gr::Resource*(gr::Resource*&)
#20 0x50237b :0 boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > > std::for_each<__gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > > >(__gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, __gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::bi::valuegr::Val > >)
#21 0x500626 :0 gr::Resource::Sync(gr::Syncer*, gr::DateTime&, gr::Val const&)
#22 0x503ceb :0 boost::mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>::operator()(gr::Resource, gr::Syncer, gr::DateTime&, gr::Val const&) const
#23 0x503407 :0 void boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val >::operator()<boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list1gr::Resource*& >(boost::_bi::type, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>&, boost::_bi::list1gr::Resource*&&, int)
#24 0x502b70 :0 void boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > >::operator()gr::Resource*(gr::Resource*&)
#25 0x50237b :0 boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > > std::for_each<__gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > > >(__gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, __gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::bi::valuegr::Val > >)
#26 0x500626 :0 gr::Resource::Sync(gr::Syncer*, gr::DateTime&, gr::Val const&)
#27 0x503ceb :0 boost::mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>::operator()(gr::Resource, gr::Syncer, gr::DateTime&, gr::Val const&) const
#28 0x503407 :0 void boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val >::operator()<boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list1gr::Resource*& >(boost::_bi::type, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>&, boost::_bi::list1gr::Resource*&&, int)
#29 0x502b70 :0 void boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > >::operator()gr::Resource*(gr::Resource*&)
#30 0x50237b :0 boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > > std::for_each<__gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > > >(__gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, __gnu_cxx::__normal_iterator<gr::Resource**, std::vector<gr::Resource*, std::allocatorgr::Resource* > >, boost::_bi::bind_t<void, boost::_mfi::mf3<void, gr::Resource, gr::Syncer*, gr::DateTime&, gr::Val const&>, boost::_bi::list4boost::arg<1, boost::_bi::valuegr::Syncer*, boost::reference_wrappergr::DateTime, boost::_bi::valuegr::Val > >)
#31 0x500626 :0 gr::Resource::Sync(gr::Syncer*, gr::DateTime&, gr::Val const&)
#32 0x4c71a1 :0 gr::State::Sync(gr::Syncer*, gr::Val const&)
#33 0x4cbffa :0 gr::Drive::Update()
#34 0x4a8003 :0 Main(int, char**)
#35 0x4a8589 :0 main
#36 0x7f841d265ec5 /lib/x86_64-linux-gnu/libc.so.6 __libc_start_main
#37 0x4a6d89 :0 _start

[gr::JsonText*] = {
"error": {
"errors": [
{
"domain": "global",
"reason": "authError",
"message": "Invalid Credentials",
"locationType": "header",
"location": "Authorization"
}
],
"code": 401,
"message": "Invalid Credentials"
}
}

[gr::ParseErr*] = parse error: trailing garbage
{ "error": { "errors": [
(right here) ------^

[TimKrause2]

AuthAgent::Put is using the same http::ValResponse twice.

[vitalif]

Try out the latest master, I've just added some diagnostic information that will help resolve various bugs related to error response handling... And it should fix this issue as the side-effect.