key SymPy not found for parallel computing #483
Description
Does SymPy.jl work for parallel computing?
@everywhere using SymPy
using LinearAlgebra
using SharedArrays, Distributed
julia> xx = Sym[]
julia> @syms x
julia> @sync @distributed for i = 1:3
xx = [xx, x]
end
```Unhandled Task ERROR: On worker 3:
KeyError: key SymPy [24249f21-da20-56a4-8eb1-6a02cf4ae2e6] not found
Stacktrace:
[1] getindex
@ ./dict.jl:498 [inlined]
[2] macro expansion
@ ./lock.jl:223 [inlined]
[3] root_module
@ ./loading.jl:1254
[4] deserialize_module
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:993
[5] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:895
[6] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[7] deserialize_datatype
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:1363
[8] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:866
[9] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[10] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:873
[11] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813 [inlined]
[12] deserialize_global_from_main
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/clusterserialize.jl:160
[13] #5
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/clusterserialize.jl:72 [inlined]
[14] foreach
@ ./abstractarray.jl:2774
[15] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/clusterserialize.jl:72
[16] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:959
[17] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[18] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:870
[19] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[20] deserialize_datatype
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:1388
[21] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:866
[22] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[23] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:873
[24] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813 [inlined]
[25] deserialize_msg
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/messages.jl:87
[26] #invokelatest#2
@ ./essentials.jl:729 [inlined]
[27] invokelatest
@ ./essentials.jl:726 [inlined]
[28] message_handler_loop
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/process_messages.jl:176
[29] process_tcp_streams
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/process_messages.jl:133
[30] #103
@ ./task.jl:484
...and 2 more exceptions.
Stacktrace:
[1] sync_end(c::Channel{Any})
@ Base ./task.jl:436
[2] (::Distributed.var"#177#179"{var"#355#356", UnitRange{Int64}})()
@ Distributed ./task.jl:455
ERROR: TaskFailedException
nested task error: On worker 3:
KeyError: key SymPy [24249f21-da20-56a4-8eb1-6a02cf4ae2e6] not found
Stacktrace:
[1] getindex
@ ./dict.jl:498 [inlined]
[2] macro expansion
@ ./lock.jl:223 [inlined]
[3] root_module
@ ./loading.jl:1254
[4] deserialize_module
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:993
[5] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:895
[6] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[7] deserialize_datatype
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:1363
[8] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:866
[9] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[10] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:873
[11] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813 [inlined]
[12] deserialize_global_from_main
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/clusterserialize.jl:160
[13] #5
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/clusterserialize.jl:72 [inlined]
[14] foreach
@ ./abstractarray.jl:2774
[15] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/clusterserialize.jl:72
[16] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:959
[17] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[18] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:870
[19] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[20] deserialize_datatype
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:1388
[21] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:866
[22] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813
[23] handle_deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:873
[24] deserialize
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Serialization/src/Serialization.jl:813 [inlined]
[25] deserialize_msg
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/messages.jl:87
[26] #invokelatest#2
@ ./essentials.jl:729 [inlined]
[27] invokelatest
@ ./essentials.jl:726 [inlined]
[28] message_handler_loop
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/process_messages.jl:176
[29] process_tcp_streams
@ /Applications/Julia-1.8.app/Contents/Resources/julia/share/julia/stdlib/v1.8/Distributed/src/process_messages.jl:133
[30] #103
@ ./task.jl:484
...and 2 more exceptions.
Stacktrace:
[1] sync_end(c::Channel{Any})
@ Base ./task.jl:436
[2] (::Distributed.var"#177#179"{var"#355#356", UnitRange{Int64}})()
@ Distributed ./task.jl:455
Stacktrace:
[1] sync_end(c::Channel{Any})
@ Base ./task.jl:436
[2] top-level scope
@ task.jl:455