I got following error when using IpoptSolver on windows. I also tried running Pkg.test(“Ipopt”) and got similar error.
LoadError: ReadOnlyMemoryError()
in solveProblem(::Ipopt.IpoptProblem) at C:\Users\agraw\.julia\v0.5\Ipopt\src\Ipopt.jl:304
in optimize!(::Ipopt.IpoptMathProgModel) at C:\Users\agraw\.julia\v0.5\Ipopt\src\IpoptSolverInterface.jl:120
in optimize!(::MathProgBase.SolverInterface.NonlinearToLPQPBridge) at C:\Users\agraw\.julia\v0.5\MathProgBase\src\SolverInterface\nonlinear_to_lpqp.jl:71
in #solve#97(::Bool, ::Bool, ::Bool, ::Array{Any,1}, ::Function, ::JuMP.Model) at C:\Users\agraw\.julia\v0.5\JuMP\src\solvers.jl:142
in solve(::JuMP.Model) at C:\Users\agraw\.julia\v0.5\JuMP\src\solvers.jl:117
in include_string(::String, ::String) at .\loading.jl:441
in include_string(::Module, ::String, ::String) at C:\Users\agraw\.julia\v0.5\CodeTools\src\eval.jl:32
in (::Atom.##61#64{String,String})() at C:\Users\agraw\.julia\v0.5\Atom\src\eval.jl:81
in withpath(::Atom.##61#64{String,String}, ::String) at C:\Users\agraw\.julia\v0.5\CodeTools\src\utils.jl:30
in withpath(::Function, ::String) at C:\Users\agraw\.julia\v0.5\Atom\src\eval.jl:46
in macro expansion at C:\Users\agraw\.julia\v0.5\Atom\src\eval.jl:79 [inlined]
in (::Atom.##60#63{String,String})() at .\task.jl:60
while loading C:\Users\agraw\Downloads\testIpopt.jl, in expression starting on line 12