The following code does not work when called from path that has blank space. using JuMP, AmplNLWriter, Ipopt_jll mod = Model(() -> AmplNLWriter.Optimizer(Ipopt_jll.amplexe)) set_attribute(mod, "output_file", joinpath(@__DIR__,"output.txt")) optimize!(mod) The output is: Ipopt 3.14.17: output_fi…

This is fixed in v1.2.3 of AmplNLWriter.jl. For earlier versions, the work-around needed to be: output_file = joinpath(@__DIR__,"output.txt") set_attribute(mod, "output_file", "\"$(output_file)\"")

Issue parsing Ipopt_jll string option when there is blank space in path

Specific Domains Optimization (Mathematical)

KSepetanc February 17, 2025, 6:48pm 5

Thank you for fixing it so quickly. Also for merging other PR’s.

1 Like

Topic		Replies	Views
AmplNLWriter.jl with Ipopt from Ipopt.jl Optimization (Mathematical)	2	520	October 27, 2020
"bad line xxx of yyy.nl file" error with AmplNLWriter (but solves with Ipopt.jl) Optimization (Mathematical)	3	271	June 7, 2022
AmplNLWriter no longer works with JuMP Optimization (Mathematical) jump , optimization	10	804	November 4, 2021
Ipopt Fails in ver. 1.5.3! Optimization (Mathematical) jump , error	13	1270	November 23, 2020
Error with Ipopt.jl and ipopt.out file Optimization (Mathematical) jump , optimization , snow , ipopt	3	109	April 2, 2025

Issue parsing Ipopt_jll string option when there is blank space in path

Related topics