Installing Plots

General Usage
1

I tried to install the ‘Plots’ package. But it always failed.

(@v1.9) pkg> add Plots
   Resolving package versions...
  Downloaded artifact: GR
  Downloaded artifact: GR
  Downloaded artifact: LERC
  Downloaded artifact: LERC
  Downloaded artifact: Opus
  Downloaded artifact: Opus
  Downloaded artifact: Cairo
  Downloaded artifact: Cairo
ERROR: Unable to automatically download/install artifact 'Cairo' from sources listed in 'C:\Users\8613
Sources attempted:
- https://pkg.julialang.org/artifact/3aff78028a0bb2ad40ebc3ae7e465a52dcbe2730
    Error: RequestError: HTTP/1.1 301 CN east internal redirect trigger (Failed to connect to cn-east.rver) while requesting https://pkg.julialang.org/artifact/3aff78028a0bb2ad40ebc3ae7e465a52dcbe2730
- https://github.com/JuliaBinaryWrappers/Cairo_jll.jl/releases/download/Cairo-v1.16.1+0/Cairo.v1.16.1.
    Error: RequestError: schannel: failed to receive handshake, SSL/TLS connection failed while requeses/download/Cairo-v1.16.1+0/Cairo.v1.16.1.x86_64-w64-mingw32.tar.gz

Stacktrace:
  [1] error(s::String)
    @ Base .\error.jl:35
  [2] ensure_artifact_installed(name::String, meta::Dict{String, Any}, artifacts_toml::String; platfor::Bool, io::Base.TTY)
    @ Pkg.Artifacts C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\Pkg\src\
  [3] download_artifacts(env::Pkg.Types.EnvCache; platform::Base.BinaryPlatforms.Platform, julia_versi
    @ Pkg.Operations C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\Pkg\src
  [4] add(ctx::Pkg.Types.Context, pkgs::Vector{Pkg.Types.PackageSpec}, new_git::Set{Base.UUID}; presertform)
    @ Pkg.Operations C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\Pkg\src
  [5] add
    @ C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\Pkg\src\Operations.jl:
e\julia\stdlib\v1.9\Pkg\src\REPLMode\REPLMode.jl:412
 [10] do_cmd(repl::REPL.LineEditREPL, input::String; do_rethrow::Bool)
    @ Pkg.REPLMode C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\Pkg\src\REPLMode\REPLMode.jl:390
 [11] do_cmd
    @ C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\Pkg\src\REPLMode\REPLMode.jl:380 [inlined]
 [12] (::Pkg.REPLMode.var"#24#27"{REPL.LineEditREPL, REPL.LineEdit.Prompt})(s::REPL.LineEdit.MIState, buf::IOBuffer, ok::Bool)
    @ Pkg.REPLMode C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\Pkg\src\REPLMode\REPLMode.jl:557
 [13] #invokelatest#2
    @ .\essentials.jl:819 [inlined]
 [14] invokelatest
    @ .\essentials.jl:816 [inlined]
 [15] run_interface(terminal::REPL.Terminals.TextTerminal, m::REPL.LineEdit.ModalInterface, s::REPL.LineEdit.MIState)
    @ REPL.LineEdit C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\REPL\src\LineEdit.jl:2647
 [16] run_frontend(repl::REPL.LineEditREPL, backend::REPL.REPLBackendRef)
    @ REPL C:\Users\86131\AppData\Local\Programs\Julia-1.9.4\share\julia\stdlib\v1.9\REPL\src\REPL.jl:1300
 [17] (::REPL.var"#62#68"{REPL.LineEditREPL, REPL.REPLBackendRef})()
    @ REPL .\task.jl:514

(@v1.9) pkg>

What is the problem?

2

Something is blocking you from contacting these servers.

Sources attempted:
- https://pkg.julialang.org/artifact/3aff78028a0bb2ad40ebc3ae7e465a52dcbe2730
    Error: RequestError: HTTP/1.1 301 CN east internal redirect trigger (Failed to connect to cn-east.rver) while requesting https://pkg.julialang.org/artifact/3aff78028a0bb2ad40ebc3ae7e465a52dcbe2730
- https://github.com/JuliaBinaryWrappers/Cairo_jll.jl/releases/download/Cairo-v1.16.1+0/Cairo.v1.16.1.
    Error: RequestError: schannel: failed to receive handshake, SSL/TLS connection failed while requeses/download/Cairo-v1.16.1+0/Cairo.v1.16.1.x86_64-w64-mingw32.tar.gz