#0  0x00000034a7e64c87 in std::_Rb_tree_decrement () from /usr/lib64/libstdc++.so.6
#1  0x00002b3f558b3c42 in std::_Rb_tree_iterator<std::pair<void const* const, boost::detail::tss_data_node> >::operator-- (this=0x7fffe30238a0)
    at /usr/lib/gcc/x86_64-redhat-linux/4.1.2/../../../../include/c++/4.1.2/bits/stl_tree.h:197
#2  0x00002b3f558b3f3b in std::_Rb_tree<void const*, std::pair<void const* const, boost::detail::tss_data_node>, std::_Select1st<std::pair<void const* const, boost::detail::tss_data_node> >, std::less<void const*>, std::allocator<std::pair<void const* const, boost::detail::tss_data_node> > >::insert_unique (this=0xa572190, 
    __v=@0x7fffe3023a10)
    at /usr/lib/gcc/x86_64-redhat-linux/4.1.2/../../../../include/c++/4.1.2/bits/stl_tree.h:929
#3  0x00002b3f558b401d in std::map<void const*, boost::detail::tss_data_node, std::less<void const*>, std::allocator<std::pair<void const* const, boost::detail::tss_data_node> > >::insert (this=0xa572190, __x=@0x7fffe3023a10)
    at /usr/lib/gcc/x86_64-redhat-linux/4.1.2/../../../../include/c++/4.1.2/bits/stl_map.h:396
#4  0x00002b3f558af541 in boost::detail::add_new_tss_node (key=0x2b3f553c0a90, func=
        {px = 0x7fffe3023ae0, pn = {pi_ = 0x2b3f553c0a90}}, tss_data=0x0)
    at libs/thread/src/pthread/thread.cpp:569
#5  0x00002b3f558af84f in boost::detail::set_tss_data (key=0x2b3f553c0a90, func=
        {px = 0x7fffe3023b40, pn = {pi_ = 0x2b3f553c0a90}}, tss_data=0x0, cleanup_existing=false)
    at libs/thread/src/pthread/thread.cpp:600
#6  0x00002b3f54fdc3da in boost::thread_specific_ptr<Wt::WebSession::Handler>::release (this=0x2b3f553c0a90)
    at /opt/local/boost/include/boost/thread/tss.hpp:95
#7  0x00002b3f54fd0087 in Wt::WebSession::Handler::init (this=0xa5722f0)
    at /net/src/prog-tools/wt_git/src/web/WebSession.C:512
#8  0x00002b3f54fd1c82 in Handler (this=0xa5722f0, session=@0xa571600, takeLock=true)
    at /net/src/prog-tools/wt_git/src/web/WebSession.C:462
#9  0x00002b3f54f9934d in Wt::Test::WTestEnvironment::init (this=0x7fffe30247d0, type=Wt::Application)
    at /net/src/prog-tools/wt_git/src/Wt/Test/WTestEnvironment.C:53
#10 0x00002b3f54f99733 in WTestEnvironment (this=0x7fffe30247d0, applicationPath=@0x7fffe3024970, 
    configurationFile=@0x7fffe3024960, type=Wt::Application)
    at /net/src/prog-tools/wt_git/src/Wt/Test/WTestEnvironment.C:27
#11 0x000000000055a8a2 in WChartTest::plotTimeSeriesChart (this=0xa567960, model=0xa565dd0, fileName=
        {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7fffe3024c00 "\b\rW\n"}}, 
    xScale=Wt::Chart::DateTimeScale) at /net/src/prog-tools/wt_git/test/chart/WChartTest.C:140
#12 0x000000000055be51 in WChartTest::test_WDateTimeChartMinutes (this=0xa567960)
    at /net/src/prog-tools/wt_git/test/chart/WChartTest.C:48
#13 0x000000000055ca22 in boost::_mfi::mf0<void, WChartTest>::operator() (this=0xa567828, p=0xa567960)
    at /opt/local/boost/include/boost/bind/mem_fn_template.hpp:49
#14 0x000000000055ca8f in boost::_bi::list1<boost::_bi::value<WChartTest*> >::operator()<boost::_mfi::mf0<void, WChartTest>, boost::_bi::list0> (this=0xa567838, f=@0xa567828, a=@0x7fffe3024cdf)
    at /opt/local/boost/include/boost/bind/bind.hpp:246
#15 0x000000000055cacc in boost::_bi::bind_t<void, boost::_mfi::mf0<void, WChartTest>, boost::_bi::list1<boost::_bi::value<WChartTest*> > >::operator() (this=0xa567828)
    at /opt/local/boost/include/boost/bind/bind_template.hpp:20
#16 0x000000000055cae7 in boost::unit_test::ut_detail::invoker<boost::unit_test::ut_detail::unused>::invoke<boost::_bi::bind_t<void, boost::_mfi::mf0<void, WChartTest>, boost::_bi::list1<boost::_bi::value<WChartTest*> > > > (
    this=0x7fffe3024d3f, f=@0xa567828) at /opt/local/boost/include/boost/test/utils/callback.hpp:56
#17 0x000000000055cb0b in boost::unit_test::ut_detail::callback0_impl_t<boost::unit_test::ut_detail::unused, boost::_bi::bind_t<void, boost::_mfi::mf0<void, WChartTest>, boost::_bi::list1<boost::_bi::value<WChartTest*> > > >::invoke (this=0xa567820) at /opt/local/boost/include/boost/test/utils/callback.hpp:89
#18 0x0000000000544dfa in boost::unit_test::callback0<boost::unit_test::ut_detail::unused>::operator() (
    this=0xa567b38) at /opt/local/boost/include/boost/test/utils/callback.hpp:118
#19 0x00000000004f18fe in operator() (this=0xa565a58)
    at /opt/local/boost/include/boost/test/impl/unit_test_monitor.ipp:41
#20 0x00000000004f191f in invoke<boost::unit_test::<unnamed>::zero_return_wrapper_t<boost::unit_test::callback0<boost::unit_test::ut_detail::unused> > > (this=0x7fffe3024dcf, f=@0xa565a58)
    at /opt/local/boost/include/boost/test/utils/callback.hpp:42
#21 0x00000000004f193f in invoke (this=0xa565a50) at /opt/local/boost/include/boost/test/utils/callback.hpp:89
#22 0x000000000054531e in boost::unit_test::callback0<int>::operator() (this=0x7fffe3025a40)
    at /opt/local/boost/include/boost/test/utils/callback.hpp:118
#23 0x0000000000545369 in boost::detail::do_invoke<boost::scoped_ptr<boost::detail::translate_exception_base>, boost::unit_test::callback0<int> > (tr=@0x810490, F=@0x7fffe3025a40)
    at /opt/local/boost/include/boost/test/impl/execution_monitor.ipp:244
#24 0x0000000000507836 in boost::execution_monitor::catch_signals (this=0x810480, F=@0x7fffe3025a40)
---Type <return> to continue, or q <return> to quit---
    at /opt/local/boost/include/boost/test/impl/execution_monitor.ipp:841
#25 0x0000000000510b38 in boost::execution_monitor::execute (this=0x810480, F=@0x7fffe3025a40)
    at /opt/local/boost/include/boost/test/impl/execution_monitor.ipp:1167
#26 0x0000000000511540 in boost::unit_test::unit_test_monitor_t::execute_and_translate (this=0x810480, 
    tc=@0xa567ae0) at /opt/local/boost/include/boost/test/impl/unit_test_monitor.ipp:69
#27 0x0000000000559742 in boost::unit_test::framework_impl::visit (this=0x810360, tc=@0xa567ae0)
    at /opt/local/boost/include/boost/test/impl/framework.ipp:155
#28 0x00000000004edf32 in boost::unit_test::traverse_test_tree (tc=@0xa567ae0, V=@0x810360)
    at /opt/local/boost/include/boost/test/impl/unit_test_suite.ipp:193
#29 0x000000000050a23e in boost::unit_test::traverse_test_tree (id=65539, V=@0x810360)
    at /opt/local/boost/include/boost/test/impl/unit_test_suite.ipp:232
#30 0x0000000000509e93 in boost::unit_test::traverse_test_tree (suite=@0xa567960, V=@0x810360)
    at /opt/local/boost/include/boost/test/impl/unit_test_suite.ipp:207
#31 0x000000000050a255 in boost::unit_test::traverse_test_tree (id=4, V=@0x810360)
    at /opt/local/boost/include/boost/test/impl/unit_test_suite.ipp:234
#32 0x0000000000509e93 in boost::unit_test::traverse_test_tree (suite=@0xa567310, V=@0x810360)
    at /opt/local/boost/include/boost/test/impl/unit_test_suite.ipp:207
#33 0x000000000050a255 in boost::unit_test::traverse_test_tree (id=2, V=@0x810360)
    at /opt/local/boost/include/boost/test/impl/unit_test_suite.ipp:234
#34 0x0000000000509e93 in boost::unit_test::traverse_test_tree (suite=@0xa565230, V=@0x810360)
    at /opt/local/boost/include/boost/test/impl/unit_test_suite.ipp:207
#35 0x000000000050a255 in boost::unit_test::traverse_test_tree (id=1, V=@0x810360)
    at /opt/local/boost/include/boost/test/impl/unit_test_suite.ipp:234
#36 0x0000000000511e4d in boost::unit_test::framework::run (id=1, continue_test=true)
    at /opt/local/boost/include/boost/test/impl/framework.ipp:441
#37 0x000000000051246c in boost::unit_test::unit_test_main (
    init_func=0x508bc0 <init_unit_test_suite(int, char**)>, argc=1, argv=0x7fffe30264a8)
    at /opt/local/boost/include/boost/test/impl/unit_test_main.ipp:185
#38 0x00000000005126e7 in main (argc=1, argv=0x7fffe30264a8)
    at /opt/local/boost/include/boost/test/impl/unit_test_main.ipp:237