Error passing inner function to pmap #9231
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simonster opened this Issue on Dec 2, 2014 · 0 comments
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@simonster
The Julia Language member
simonster commented on Dec 2, 2014

$ julia -p 1
[...]
  | | |_| | | | (_| |  |  Version 0.4.0-dev+1922 (2014-12-02 23:10 UTC)
 _/ |\__'_|_|_|\__'_|  |  Commit e4e1688* (0 days old master)
|__/                   |  x86_64-linux-gnu

julia> function f()
           function inner(x) end
           pmap(inner, 1:3)
       end;

julia> f()
fatal error on 2: ERROR: type: setfield!: expected Function, got Type{()}
 in deserialize at serialize.jl:559
 in deserialize at serialize.jl:514
 in handle_deserialize at serialize.jl:352
 in deserialize at serialize.jl:559
 in deserialize at serialize.jl:514
 in handle_deserialize at serialize.jl:352
 in deserialize at serialize.jl:402
 in handle_deserialize at serialize.jl:352
 in anonymous at task.jl:824
Worker 2 terminated.
1-element Array{Any,1}:
 ProcessExitedException()

This works fine on Julia 0.3, so it looks like a regression. I'll bisect if no one can guess where the problem is.
@simonster simonster added parallel regression bug labels on Dec 2, 2014
@JeffBezanson JeffBezanson added a commit that closed this issue on Dec 3, 2014
	@JeffBezanson 	fix #9231, type error deserializing function 			894ea51
@JeffBezanson JeffBezanson closed this in 894ea51 on Dec 3, 2014