错误：无法解析以下软件包名称：在Julia中安装软件包时出错

debugcn 发表于 Dev

金罗

我正在尝试使用pkg add安装julia Flux，并遇到以下错误，

    julia> Pkg.add("Flux")
    ERROR: The following package names could not be resolved:
    * Flux (not found in project, manifest or registry)
    Please specify by known `name=uuid`.
   Stacktrace:
 

    [1] pkgerror(::String) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.0/Pkg/src/Types.jl:120
     [2] #ensure_resolved#43(::Bool, ::Function, ::Pkg.Types.EnvCache, ::Array{Pkg.Types.PackageSpec,1}) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.0/Pkg/src/Types.jl:900
     [3] #ensure_resolved at ./none:0 [inlined]
     [4] #add_or_develop#15(::Symbol, ::Bool, ::Base.Iterators.Pairs{Union{},Union{},Tuple{},NamedTuple{(),Tuple{}}}, ::Function, ::Pkg.Types.Context, ::Array{Pkg.Types.PackageSpec,1}) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.0/Pkg/src/API.jl:64
     [5] #add_or_develop at ./none:0 [inlined]
     [6] #add_or_develop#14 at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.0/Pkg/src/API.jl:34 [inlined]
     [7] #add_or_develop at ./none:0 [inlined]
     [8] #add_or_develop#11 at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.0/Pkg/src/API.jl:33 [inlined]
     [9] #add_or_develop at ./none:0 [inlined]
     [10] #add_or_develop#10 at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.0/Pkg/src/API.jl:32 [inlined]
     [11] #add_or_develop at ./none:0 [inlined]
     [12] #add#20 at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.0/Pkg/src/API.jl:74 [inlined]
     [13] add(::String) at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.0/Pkg/src/API.jl:74
     [14] top-level scope at none:0

我尝试使用，] add https://github.com/FluxML/Flux.jl但遇到了同样的错误，有人可以帮忙吗，我也尝试添加其他软件包，但是发生类似的错误，我想这可能是朱莉娅环境的错误，但不确定是否会尝试弄乱它

Przemyslaw Szufel

基本上，这种类型的错误要么表示您没有Internet连接（或位于由程序包管理器阻止连接的防火墙后面），要么您的.julia文件夹已损坏。

在第二种情况下，最容易尝试的方法是删除.julia文件夹或将系统变量设置JULIA_DEPOT_PATH为指向某个空文件夹，然后重新启动Julia。

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