I've been encountering errors with packages in parallel, even though everything 
is happening on one machine (julia -p 4 or -p 3 under ESS).  This isn't 
necessarily the same issue, but it seems suggestive it's arising at the same 
time.

Originally I think the packages/cache were a bit out of date, and when I ran in 
parallel things went wrong and rebuilt everywhere.  If they were all rebuilding 
in the same spot, as they seemed to, it's easy to imagine that would cause 
problems.  I also had a single CPU copy of julia running at the same time 
(idle) throughout.

After that I started up a single cpu version, did a Pkg.update(), and ran my 
code.  Everything seemed OK.

However, I then ran a parallel julia, and continued to get errors.  The 
included code is all in a module and connect to a Postgresql DB to get some 
data.

Here are excerpts from the sessions:
<first time>
   | | | | | | |/ _' |  |
   | | |_| | | | (_| |  |  Version 0.4.6-pre+28 (2016-04-22 00:59 UTC)
  _/ |\__'_|_|_|\__'_|  |  Commit 022917e (44 days old release-0.4)
 |__/                   |  x86_64-linux-gnu

 WARNING: Terminal not fully functional
 julia>
 julia> nprocs()
 5

 julia> now()
 2016-06-05T00:04:52  # Pacific time US
julia> @everywhere include("trouble.jl")
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Debug.ji for 
module Debug.
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/PDMats.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/PDMats.ji
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/PDMats.ji
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/PDMats.ji
 WARNING: Module PDMats uuid did not match cache file
   This is likely because module PDMats does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Distributions.ji
 WARNING: Module PDMats uuid did not match cache file
   This is likely because module PDMats does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Distributions.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/StatsFuns.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/StatsFuns.ji
 WARNING: Module PDMats uuid did not match cache file
   This is likely because module PDMats does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Distributions.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/StatsFuns.ji
 WARNING: Module PDMats uuid did not match cache file
   This is likely because module PDMats does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Distributions.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/StatsFuns.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ArrayViews.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ArrayViews.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ArrayViews.ji
 WARNING: replacing module Debug
 WARNING: replacing module Debug
 WARNING: replacing module Debug
 WARNING: replacing module Debug
 WARNING: Module ArrayViews uuid did not match cache file
   This is likely because module ArrayViews does not support  precompilation 
but is imported by a module that does.
WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/StatsBase.ji
 WARNING: Module ArrayViews uuid did not match cache file
   This is likely because module ArrayViews does not support  precompilation 
but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/StatsBase.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ArrayViews.ji
 WARNING: Module ArrayViews uuid did not match cache file
   This is likely because module ArrayViews does not support  precompilation 
but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/StatsBase.ji
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Distributions.ji 
for module Distributions.
 WARNING: Module ArrayViews uuid did not match cache file
   This is likely because module ArrayViews does not support  precompilation 
but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/StatsBase.ji
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/PDMats.ji for 
module PDMats.
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/SortingAlgorithms.ji
 WARNING: Module SortingAlgorithms uuid did not match cache file
   This is likely because module SortingAlgorithms does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DataFrames.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DataArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/SortingAlgorithms.ji
 WARNING: Module SortingAlgorithms uuid did not match cache file
   This is likely because module SortingAlgorithms does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DataFrames.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/SortingAlgorithms.ji
 WARNING: Module SortingAlgorithms uuid did not match cache file
   This is likely because module SortingAlgorithms does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DataFrames.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DataArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DataArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/SortingAlgorithms.ji
 WARNING: Module SortingAlgorithms uuid did not match cache file
   This is likely because module SortingAlgorithms does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DataFrames.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DataArrays.ji
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/StatsFuns.ji for 
module StatsFuns.
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/GZip.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Docile.ji
WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/GZip.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Docile.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/GZip.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Docile.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/GZip.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Docile.ji
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/ArrayViews.ji 
for module ArrayViews.
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/JSON.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ImmutableArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/JSON.ji
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/StatsBase.ji for 
module StatsBase.
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/JSON.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ImmutableArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/JSON.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ImmutableArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ImmutableArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Gadfly.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Codecs.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/FixedPointNumbers.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Colors.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ColorTypes.ji
 WARNING: both DataArrays and StatsBase export "autocor"; uses of it in module 
DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "inverse_rle"; uses of it in 
module DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "rle"; uses of it in module 
DataFrames must be qualified
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Gadfly.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Codecs.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/FixedPointNumbers.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Gadfly.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Codecs.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/FixedPointNumbers.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Colors.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ColorTypes.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Gadfly.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Codecs.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/FixedPointNumbers.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Colors.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ColorTypes.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Colors.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/ColorTypes.ji
 WARNING: both DataArrays and StatsBase export "autocor"; uses of it in module 
DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "inverse_rle"; uses of it in 
module DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "rle"; uses of it in module 
DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "autocor"; uses of it in module 
DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "inverse_rle"; uses of it in 
module DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "rle"; uses of it in module 
DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "autocor"; uses of it in module 
DataFrames must be qualified
 WARNING: both DataArrays and StatsBase export "inverse_rle"; uses of it in 
module DataFrames must be qualified
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Iterators.ji
 WARNING: Module Iterators uuid did not match cache file
   This is likely because module Iterators does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Compose.ji
 WARNING: Module StatsFuns uuid did not match cache file
   This is likely because module StatsFuns does not support  precompilation but 
is imported by a module that does.
 WARNING: Module StatsFuns uuid did not match cache file
   This is likely because module StatsFuns does not support  precompilation but 
is imported by a module that does.
 WARNING: Module StatsFuns uuid did not match cache file
   This is likely because module StatsFuns does not support  precompilation but 
is imported by a module that does.
 WARNING: node state is inconsistent: node 2 failed to load cache from 
/home/ross/.julia/lib/v0.4/Distributions.ji
 WARNING: Module StatsFuns uuid did not match cache file
   This is likely because module StatsFuns does not support  precompilation but 
is imported by a module that does.
 WARNING: node state is inconsistent: node 3 failed to load cache from 
/home/ross/.julia/lib/v0.4/Distributions.ji
 WARNING: node state is inconsistent: node 4 failed to load cache from 
/home/ross/.julia/lib/v0.4/Distributions.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Iterators.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Iterators.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Iterators.ji
 WARNING: node state is inconsistent: node 5 failed to load cache from 
/home/ross/.julia/lib/v0.4/Distributions.ji
 WARNING: Module Iterators uuid did not match cache file
   This is likely because module Iterators does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Compose.ji
 WARNING: Module Iterators uuid did not match cache file
   This is likely because module Iterators does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Compose.ji
 WARNING: Module Iterators uuid did not match cache file
   This is likely because module Iterators does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Compose.ji
 WARNING: replacing module FastGaussQuadrature
 WARNING: replacing module FastGaussQuadrature
 WARNING: replacing module FastGaussQuadrature
 WARNING: replacing module FastGaussQuadrature
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Cairo.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Graphics.ji
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/DataFrames.ji 
for module DataFrames.
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Cairo.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Cairo.ji
 WARNING: Module FixedPointNumbers uuid did not match cache file
   This is likely because module FixedPointNumbers does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Cairo.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
WARNING: both DataArrays and StatsBase export "rle"; uses of it in module 
DataFrames must be qualified
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Graphics.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Graphics.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Graphics.ji
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/DataArrays.ji 
for module DataArrays.
 WARNING: Module Iterators uuid did not match cache file
   This is likely because module Iterators does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Showoff.ji
 WARNING: Module Iterators uuid did not match cache file
   This is likely because module Iterators does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Showoff.ji
 WARNING: Module Iterators uuid did not match cache file
   This is likely because module Iterators does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Showoff.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Hexagons.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Hexagons.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Hexagons.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Contour.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/FixedSizeArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Contour.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Contour.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/FixedSizeArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/FixedSizeArrays.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Loess.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Loess.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Loess.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/WoodburyMatrices.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/WoodburyMatrices.ji
 WARNING: Module WoodburyMatrices uuid did not match cache file
   This is likely because module WoodburyMatrices does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/KernelDensity.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Calculus.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/WoodburyMatrices.ji
 WARNING: Module WoodburyMatrices uuid did not match cache file
   This is likely because module WoodburyMatrices does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/KernelDensity.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Calculus.ji
 WARNING: Module WoodburyMatrices uuid did not match cache file
   This is likely because module WoodburyMatrices does not support  
precompilation but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/KernelDensity.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Calculus.ji
 WARNING: Module Calculus uuid did not match cache file
   This is likely because module Calculus does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DualNumbers.ji
 WARNING: Module Calculus uuid did not match cache file
   This is likely because module Calculus does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DualNumbers.ji
 WARNING: Module Calculus uuid did not match cache file
   This is likely because module Calculus does not support  precompilation but 
is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/DualNumbers.ji
 WARNING: Module DualNumbers uuid did not match cache file
   This is likely because module DualNumbers does not support  precompilation 
but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Optim.ji
 WARNING: Module DualNumbers uuid did not match cache file
   This is likely because module DualNumbers does not support  precompilation 
but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Optim.ji
 WARNING: Module DualNumbers uuid did not match cache file
   This is likely because module DualNumbers does not support  precompilation 
but is imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Optim.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Grid.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Grid.ji
 WARNING: Module Compat uuid did not match cache file
   This is likely because module Compat does not support  precompilation but is 
imported by a module that does.
 WARNING: deserialization checks failed while attempting to load cache from 
/home/ross/.julia/lib/v0.4/Grid.ji
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/GZip.ji for 
module GZip.
 INFO: Recompiling stale cache file 
/home/ross/.julia/lib/v0.4/SortingAlgorithms.ji for module SortingAlgorithms.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Docile.ji for 
module Docile.
 WARNING: Module Docile uuid did not match cache file
   This is likely because module Docile does not support  precompilation but is 
imported by a module that does.
 WARNING: Module Docile uuid did not match cache file
   This is likely because module Docile does not support  precompilation but is 
imported by a module that does.
 WARNING: Module Docile uuid did not match cache file
   This is likely because module Docile does not support  precompilation but is 
imported by a module that does.
WARNING: node state is inconsistent: node 2 failed to load cache from 
/home/ross/.julia/lib/v0.4/DataFrames.ji
 WARNING: Module Docile uuid did not match cache file
   This is likely because module Docile does not support  precompilation but is 
imported by a module that does.
 WARNING: node state is inconsistent: node 3 failed to load cache from 
/home/ross/.julia/lib/v0.4/DataFrames.ji
 WARNING: node state is inconsistent: node 4 failed to load cache from 
/home/ross/.julia/lib/v0.4/DataFrames.ji
 WARNING: node state is inconsistent: node 5 failed to load cache from 
/home/ross/.julia/lib/v0.4/DataFrames.ji
 WARNING: replacing module DBI
 WARNING: replacing module DBI
 WARNING: replacing module DBI
 WARNING: replacing module DBI
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/JSON.ji for 
module JSON.
 WARNING: replacing module PostgreSQL
 WARNING: replacing module PostgreSQL
 WARNING: replacing module PostgreSQL
 WARNING: replacing module PostgreSQL
 INFO: Recompiling stale cache file 
/home/ross/.julia/lib/v0.4/ImmutableArrays.ji for module ImmutableArrays.
 WARNING: replacing module ImmutableArrays
 WARNING: replacing module ImmutableArrays
 WARNING: replacing module ImmutableArrays
 WARNING: replacing module ImmutableArrays
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Gadfly.ji for 
module Gadfly.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Codecs.ji for 
module Codecs.
 INFO: Recompiling stale cache file 
/home/ross/.julia/lib/v0.4/FixedPointNumbers.ji for module FixedPointNumbers.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Colors.ji for 
module Colors.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/ColorTypes.ji 
for module ColorTypes.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Iterators.ji for 
module Iterators.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Compose.ji for 
module Compose.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Cairo.ji for 
module Cairo.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Graphics.ji for 
module Graphics.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Showoff.ji for 
module Showoff.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Hexagons.ji for 
module Hexagons.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Contour.ji for 
module Contour.
 INFO: Recompiling stale cache file 
/home/ross/.julia/lib/v0.4/FixedSizeArrays.ji for module FixedSizeArrays.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Loess.ji for 
module Loess.
 INFO: Recompiling stale cache file 
/home/ross/.julia/lib/v0.4/WoodburyMatrices.ji for module WoodburyMatrices.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/KernelDensity.ji 
for module KernelDensity.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Calculus.ji for 
module Calculus.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/DualNumbers.ji 
for module DualNumbers.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Optim.ji for 
module Optim.
 INFO: Recompiling stale cache file /home/ross/.julia/lib/v0.4/Grid.ji for 
module Grid.
 WARNING: Module StatsFuns uuid did not match cache file
   This is likely because module StatsFuns does not support  precompilation but 
is imported by a module that does.
 WARNING: Module StatsFuns uuid did not match cache file
   This is likely because module StatsFuns does not support  precompilation but 
is imported by a module that does.
 WARNING: node state is inconsistent: node 2 failed to load cache from 
/home/ross/.julia/lib/v0.4/Gadfly.ji
 WARNING: node state is inconsistent: node 3 failed to load cache from 
/home/ross/.julia/lib/v0.4/Gadfly.ji
 WARNING: Module StatsFuns uuid did not match cache file
   This is likely because module StatsFuns does not support  precompilation but 
is imported by a module that does.
 WARNING: node state is inconsistent: node 4 failed to load cache from 
/home/ross/.julia/lib/v0.4/Gadfly.ji
 WARNING: Module StatsFuns uuid did not match cache file
   This is likely because module StatsFuns does not support  precompilation but 
is imported by a module that does.
 WARNING: node state is inconsistent: node 5 failed to load cache from 
/home/ross/.julia/lib/v0.4/Gadfly.ji
 ERROR: On worker 5:
 LoadError: LoadError: LoadError: LoadError: UndefVarError: CairoSurface not 
defined
  in include_string at loading.jl:282
  in include_from_node1 at ./loading.jl:323
  in include_string at loading.jl:282
  in include_from_node1 at ./loading.jl:323
  in require at ./loading.jl:259
  in include_string at loading.jl:282
  in include_from_node1 at ./loading.jl:323
  in require at ./loading.jl:259
  in include_string at loading.jl:282
  in include_from_node1 at ./loading.jl:323
  in eval at ./sysimg.jl:14
  in anonymous at multi.jl:1394
  in anonymous at multi.jl:923
  in run_work_thunk at multi.jl:661
  [inlined code] from multi.jl:923
  in anonymous at task.jl:63
 while loading /home/ross/.julia/v0.4/Compose/src/cairo_backends.jl, in 
expression starting on line 45
 while loading /home/ross/.julia/v0.4/Compose/src/Compose.jl, in expression 
starting on line 17
 while loading /home/ross/.julia/v0.4/Gadfly/src/Gadfly.jl, in expression 
starting on line 9
 while loading /home/ross/PCORI/trouble.jl, in expression starting on line 10
  in remotecall_fetch at multi.jl:747
  in remotecall_fetch at multi.jl:750
  in anonymous at multi.jl:1396
  in sync_end at ./task.jl:413
  in anonymous at multi.jl:1405

 julia> include("/home/ross/PCORI/trouble.jl")

 WARNING: replacing module RB
 RB

 julia> @everywhere include("trouble.jl")
 WARNING: replacing module RB
 WARNING: replacing module RB
 WARNING: replacing module RB
 WARNING: replacing module RB
 WARNING: replacing module RB
 WARNING: could not import Gadfly.plot into RB
</first time>

And after the cleanup with one CPU:
<later>
 julia> nprocs()
 4
julia> @everywhere include("trouble.jl")
 WARNING: replacing module Debug
 WARNING: replacing module Debug
 WARNING: replacing module Debug
 WARNING: replacing module Distributions
 WARNING: replacing module Distributions
 WARNING: replacing module Distributions
 WARNING: replacing module FastGaussQuadrature
 WARNING: replacing module FastGaussQuadrature
 WARNING: replacing module FastGaussQuadrature
 WARNING: replacing module DataFrames
 WARNING: Method definition dump(Base.IO, DataArrays.AbstractDataArray{T<:Any, 
1}, Int64, Any) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:358
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:358.
 WARNING: Method definition vcat(Array{Void, 1}) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:677
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:677.
 WARNING: Method definition describe(AbstractArray) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:406
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:406.
 WARNING: Method definition describe(Any, AbstractArray{#T<:Number, N<:Any}) in 
module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:408
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:408.
 WARNING: Method definition describe(Any, AbstractArray{#T<:Any, N<:Any}) in 
module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:425
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:425.
 WARNING: replacing module DataFrames
 WARNING: Method definition dump(Base.IO, DataArrays.AbstractDataArray{T<:Any, 
1}, Int64, Any) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:358
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:358.
 WARNING: Method definition vcat(Array{Void, 1}) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:677
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:677.
 WARNING: Method definition describe(AbstractArray) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:406
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:406.
 WARNING: Method definition describe(Any, AbstractArray{#T<:Number, N<:Any}) in 
module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:408
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:408.
 WARNING: Method definition describe(Any, AbstractArray{#T<:Any, N<:Any}) in 
module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:425
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:425.
 WARNING: replacing module DataFrames
 WARNING: Method definition dump(Base.IO, DataArrays.AbstractDataArray{T<:Any, 
1}, Int64, Any) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:358
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:358.
 WARNING: Method definition vcat(Array{Void, 1}) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:677
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:677.
 WARNING: Method definition describe(AbstractArray) in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:406
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:406.
 WARNING: Method definition describe(Any, AbstractArray{#T<:Number, N<:Any}) in 
module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:408
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:408.
 WARNING: Method definition describe(Any, AbstractArray{#T<:Any, N<:Any}) in 
module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:425
 overwritten in module DataFrames at 
/home/ross/.julia/v0.4/DataFrames/src/abstractdataframe/abstractdataframe.jl:425.
 WARNING: replacing module DBI
 WARNING: replacing module DBI
 WARNING: replacing module DBI
 WARNING: replacing module PostgreSQL
 WARNING: replacing module PostgreSQL
 WARNING: replacing module PostgreSQL
 WARNING: replacing module ImmutableArrays
 WARNING: replacing module ImmutableArrays
 WARNING: replacing module ImmutableArrays
 WARNING: replacing module Gadfly
 WARNING: New definition
     chain(Gadfly.Data...) at /home/ross/.julia/v0.4/Gadfly/src/data.jl:57
 is ambiguous with:
     chain(Gadfly.Data...) at /home/ross/.julia/v0.4/Gadfly/src/data.jl:57.
 To fix, define
     chain()
 before the new definition.
 WARNING: replacing module Gadfly
 WARNING: New definition
     chain(Gadfly.Data...) at /home/ross/.julia/v0.4/Gadfly/src/data.jl:57
 is ambiguous with:
     chain(Gadfly.Data...) at /home/ross/.julia/v0.4/Gadfly/src/data.jl:57.
 To fix, define
     chain()
 before the new definition.
 WARNING: replacing module Gadfly
 WARNING: New definition
     chain(Gadfly.Data...) at /home/ross/.julia/v0.4/Gadfly/src/data.jl:57
is ambiguous with:
     chain(Gadfly.Data...) at /home/ross/.julia/v0.4/Gadfly/src/data.jl:57.
 To fix, define
     chain()
 before the new definition.
 ERROR: On worker 2:
 LoadError: MethodError: `prepare` has no method matching 
prepare(::PostgreSQL.PostgresDatabaseHandle, ::ASCIIString)
 Closest candidates are:
   prepare(::PostgreSQL.PostgresDatabaseHandle, ::AbstractString)
   prepare(::DBI.DatabaseHandle, ::AbstractString)
  in include_string at loading.jl:282
  in include_from_node1 at ./loading.jl:323
  in eval at ./sysimg.jl:14
  in anonymous at multi.jl:1394
  in anonymous at multi.jl:923
  in run_work_thunk at multi.jl:661
  [inlined code] from multi.jl:923
  in anonymous at task.jl:63
 while loading /home/ross/PCORI/trouble.jl, in expression starting on line 15
  in remotecall_fetch at multi.jl:747
  in remotecall_fetch at multi.jl:750
  in anonymous at multi.jl:1396
  in sync_end at ./task.jl:413
  in anonymous at multi.jl:1405
</last>


From: [email protected] [[email protected]] on behalf of 
Ethan Anderes [[email protected]]

Sent: Saturday, June 04, 2016 7:57 AM

To: julia-users

Subject: Re: [julia-users] errors using packages in parallel










Just synchronized the julia versions to the exact commit number (using `git 
checkout 430601c` on my laptop). The problem still persists. I wonder if I 
should just open an issue on github and move the conversation there. I just 
wanted to make sure I wasn't making
 an obvious mistake with the syntax since this is the first time I've tried to 
use the ssh tunnel thing. 



Ethan



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