weight matrix error in the function dijkstra_shortest_paths()

[zhangliye]

Got the following errors when apply dijkstra_shortest_paths on a MetaDiGraph object. The code is as following. This can also be found in Julia Discourse

##load graphml file to MetaGraph Object
g_file = "/Users/zhangliye/julia_dev/GraphMLReader.jl/data/large_traffic_network.graphml"
G = GraphMLReader.loadgraphml(g_file);
ids = id_dict(G)
weightfield!(G, :length)
w = weights(G)

##load test original vertices IDs
file_path = "/Users/zhangliye/julia_dev/GraphMLReader.jl/data/origin.json"
origin_ids = JSON.parsefile(file_path)

##shortest path of 20 original vertices
ts = []
i = 0
for id_origin in origin_ids[1:20] id = ids[ id_origin ]`

t = @belapsed dijkstra_shortest_paths($static_G, [$id], $w) samples=3
push!(ts, t)
i += 1
@show i
break
end

@show sum(ts)/length(ts)

The error information:
`
MethodError: no method matching LightGraphs.SimpleGraphs.SimpleEdge(::Int64, ::UInt32)
Closest candidates are:
LightGraphs.SimpleGraphs.SimpleEdge(::T, !Matched::T) where T<:Integer at /Users/zhangliye/.julia/packages/LightGraphs/siFgP/src/SimpleGraphs/simpleedge.jl:7

Stacktrace:
[1] getindex(::MetaGraphs.MetaWeights{Int64,Float64}, ::Int64, ::UInt32) at /Users/zhangliye/.julia/packages/MetaGraphs/fmYHJ/src/MetaGraphs.jl:196
[2] dijkstra_shortest_paths(::StaticDiGraph{UInt32,UInt32}, ::Array{Int64,1}, ::MetaGraphs.MetaWeights{Int64,Float64}; allpaths::Bool, trackvertices::Bool) at /Users/zhangliye/.julia/packages/LightGraphs/siFgP/src/shortestpaths/dijkstra.jl:95
[3] dijkstra_shortest_paths at /Users/zhangliye/.julia/packages/LightGraphs/siFgP/src/shortestpaths/dijkstra.jl:66 [inlined]
[4] ##core#1011(::StaticDiGraph{UInt32,UInt32}, ::Int64, ::MetaGraphs.MetaWeights{Int64,Float64}) at /Users/zhangliye/.julia/packages/BenchmarkTools/eCEpo/src/execution.jl:371
[5] ##sample#1012(::BenchmarkTools.Parameters) at /Users/zhangliye/.julia/packages/BenchmarkTools/eCEpo/src/execution.jl:377
[6] _run(::BenchmarkTools.Benchmark{Symbol("##benchmark#1010")}, ::BenchmarkTools.Parameters; verbose::Bool, pad::String, kwargs::Base.Iterators.Pairs{Symbol,Integer,NTuple{4,Symbol},NamedTuple{(:samples, :evals, :gctrial, :gcsample),Tuple{Int64,Int64,Bool,Bool}}}) at /Users/zhangliye/.julia/packages/BenchmarkTools/eCEpo/src/execution.jl:405
[7] (::Base.var"#inner#2"{Base.Iterators.Pairs{Symbol,Integer,NTuple{5,Symbol},NamedTuple{(:verbose, :samples, :evals, :gctrial, :gcsample),Tuple{Bool,Int64,Int64,Bool,Bool}}},typeof(BenchmarkTools._run),Tuple{BenchmarkTools.Benchmark{Symbol("##benchmark#1010")},BenchmarkTools.Parameters}})() at ./essentials.jl:715
[8] #invokelatest#1 at ./essentials.jl:716 [inlined]
[9] #run_result#37 at /Users/zhangliye/.julia/packages/BenchmarkTools/eCEpo/src/execution.jl:32 [inlined]
[10] run(::BenchmarkTools.Benchmark{Symbol("##benchmark#1010")}, ::BenchmarkTools.Parameters; progressid::Nothing, nleaves::Float64, ndone::Float64, kwargs::Base.Iterators.Pairs{Symbol,Integer,NTuple{5,Symbol},NamedTuple{(:verbose, :samples, :evals, :gctrial, :gcsample),Tuple{Bool,Int64,Int64,Bool,Bool}}}) at /Users/zhangliye/.julia/packages/BenchmarkTools/eCEpo/src/execution.jl:94
[11] #warmup#45 at /Users/zhangliye/.julia/packages/BenchmarkTools/eCEpo/src/execution.jl:141 [inlined]
[12] warmup(::BenchmarkTools.Benchmark{Symbol("##benchmark#1010")}) at /Users/zhangliye/.julia/packages/BenchmarkTools/eCEpo/src/execution.jl:141
[13] top-level scope at /Users/zhangliye/.julia/packages/BenchmarkTools/eCEpo/src/execution.jl:287
[14] top-level scope at In[200]:18
`

The testing data can be downloaded from testing data