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[Bug 1263447] Re: Crash on pathfinding using unconnected maps

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Can you make your map available for someone (me?) to look at -  that
crash is happening inside boost::graph library code - (or conceivably a
Mudlet helper function that we've plugged into the library code) and
something in the map data is not right - I'd want to do an autopsy on
that data to see what is breaking things...

P.S. I've just exposed my Email address id you can post the (compressed
if possible) map file!

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https://bugs.launchpad.net/bugs/1263447

Title:
  Crash on pathfinding using unconnected maps

Status in Mudlet:
  Fix Committed

Bug description:
  Import the sample map with rooms 1,2 which area in area 1 and are not
  connected. Then try to do getPath(1,2) - a crash happens.

  This happens on Mudlet 2.1, Chris7/Mudlet2/mudletDev and SF master.

  mudletDev backtrace:
  0	astar_search<boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, boost::no_property, boost::property<boost::edge_weight_t, float> >, distance_heuristic<boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, boost::no_property, boost::property<boost::edge_weight_t, float> >, float, std::vector<location> >, astar_goal_visitor<unsigned long>, unsigned long*, boost::shared_array_property_map<float, boost::vec_adj_list_vertex_id_map<boost::no_property, unsigned long> >, float*, boost::adj_list_edge_property_map<boost::directed_tag, float, float const&, unsigned long, boost::property<boost::edge_weight_t, float> const, boost::edge_weight_t>, boost::vec_adj_list_vertex_id_map<boost::no_property, unsigned long>, boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::no_property, unsigned long> >, std::less<float>, boost::closed_plus<float>, float, float>	astar_search.hpp	294	0x5f5b4a
  1	boost::astar_search<boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, boost::no_property, boost::property<boost::edge_weight_t, float, boost::no_property>, boost::no_property, boost::listS>, distance_heuristic<boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, boost::no_property, boost::property<boost::edge_weight_t, float, boost::no_property>, boost::no_property, boost::listS>, float, std::vector<location, std::allocator<location> > >, astar_goal_visitor<unsigned long>, boost::graph_visitor_t, boost::bgl_named_params<float*, boost::vertex_distance_t, boost::bgl_named_params<unsigned long*, boost::vertex_predecessor_t, boost::no_property> > >	astar_search.hpp	329	0x5f5b4a
  2	TMap::findPath	TMap.cpp	771	0x5ef6f3
  3	TLuaInterpreter::getPath	TLuaInterpreter.cpp	4221	0x4de665
  4	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff797c23c
  5	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff7986c7b
  6	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff797c64d
  7	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff797b8d7
  8	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff797c802
  9	lua_pcall	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff7978361
  10	TLuaInterpreter::call	TLuaInterpreter.cpp	10178	0x4ef23d
  11	TAlias::execute	TAlias.cpp	426	0x529368
  12	TAlias::match	TAlias.cpp	275	0x52a553
  13	TAlias::match	TAlias.cpp	284	0x529bfe
  14	AliasUnit::processDataStream	AliasUnit.cpp	281	0x537754
  15	Host::send	Host.cpp	638	0x45ca9c
  16	TCommandLine::enterCommand	TCommandLine.cpp	522	0x51dd5c
  17	TCommandLine::event	TCommandLine.cpp	236	0x51f413
  18	QApplicationPrivate::notify_helper(QObject*, QEvent*)	/home/vadi/Programs/Qt5.2.0/5.2.0/gcc_64/lib/libQt5Widgets.so.5		0x7ffff644ef34
  19	QApplication::notify(QObject*, QEvent*)	/home/vadi/Programs/Qt5.2.0/5.2.0/gcc_64/lib/libQt5Widgets.so.5		0x7ffff6452cfe
  20	QCoreApplication::notifyInternal(QObject*, QEvent*)	/home/vadi/Programs/Qt5.2.0/5.2.0/gcc_64/lib/libQt5Core.so.5		0x7ffff54eb554
  ...	<More>

  master backtrace:
  0	put<float, float>	property_map.hpp	176	0x5f14e5	
  1	astar_search<boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, boost::no_property, boost::property<boost::edge_weight_t, float> >, distance_heuristic<boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, boost::no_property, boost::property<boost::edge_weight_t, float> >, float, std::vector<location> >, astar_goal_visitor<unsigned long>, unsigned long*, boost::shared_array_property_map<float, boost::vec_adj_list_vertex_id_map<boost::no_property, unsigned long> >, float*, boost::adj_list_edge_property_map<boost::directed_tag, float, float const&, unsigned long, boost::property<boost::edge_weight_t, float> const, boost::edge_weight_t>, boost::vec_adj_list_vertex_id_map<boost::no_property, unsigned long>, boost::shared_array_property_map<boost::default_color_type, boost::vec_adj_list_vertex_id_map<boost::no_property, unsigned long> >, std::less<float>, boost::closed_plus<float>, float, float>	astar_search.hpp	294	0x5f14e5	
  2	boost::astar_search<boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, boost::no_property, boost::property<boost::edge_weight_t, float, boost::no_property>, boost::no_property, boost::listS>, distance_heuristic<boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, boost::no_property, boost::property<boost::edge_weight_t, float, boost::no_property>, boost::no_property, boost::listS>, float, std::vector<location, std::allocator<location> > >, astar_goal_visitor<unsigned long>, boost::graph_visitor_t, boost::bgl_named_params<float*, boost::vertex_distance_t, boost::bgl_named_params<unsigned long*, boost::vertex_predecessor_t, boost::no_property> > >	astar_search.hpp	329	0x5f14e5	
  3	TMap::findPath	TMap.cpp	751	0x5eb0bd	
  4	TLuaInterpreter::getPath	TLuaInterpreter.cpp	4133	0x4daee7	
  5	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff797c23c	
  6	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff7986c7b	
  7	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff797c64d	
  8	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff797b8d7	
  9	??	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff797c802	
  10	lua_pcall	/usr/lib/x86_64-linux-gnu/liblua5.1.so.0		0x7ffff7978361	
  11	TLuaInterpreter::call	TLuaInterpreter.cpp	10111	0x4eae3d	
  12	TAlias::execute	TAlias.cpp	426	0x5250b8	
  13	TAlias::match	TAlias.cpp	275	0x5262a3	
  14	TAlias::match	TAlias.cpp	284	0x52594e	
  15	AliasUnit::processDataStream	AliasUnit.cpp	281	0x5334a4	
  16	Host::send	Host.cpp	636	0x45c65c	
  17	TCommandLine::enterCommand	TCommandLine.cpp	522	0x519aac	
  18	TCommandLine::event	TCommandLine.cpp	236	0x51b163	
  19	QApplicationPrivate::notify_helper(QObject*, QEvent*)	/home/vadi/Programs/Qt5.2.0/5.2.0/gcc_64/lib/libQt5Widgets.so.5		0x7ffff644ef34	
  20	QApplication::notify(QObject*, QEvent*)	/home/vadi/Programs/Qt5.2.0/5.2.0/gcc_64/lib/libQt5Widgets.so.5		0x7ffff6452cfe	
  ...	<More>

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