solveCliq! tripped up by tree :upMsg error

[dehann]

N=100
fg = initfg()

addVariable!(fg, :x0, ContinuousEuclid{2}, N=N)
addFactor!(fg, [:x0], Prior(MvNormal([100.0;0], [1;1.0])), graphinit=false)

addVariable!(fg, :x1, ContinuousEuclid{2}, N=N)
addFactor!(fg, [:x1], Prior(MvNormal([0.0;100.0], [1;1.0])), graphinit=false)

addVariable!(fg, :l1, ContinuousEuclid{2}, N=N)
addFactor!(fg, [:x0;:l1], EuclidDistance(Normal(100.0, 1.0)), graphinit=false)
addFactor!(fg, [:x1;:l1], EuclidDistance(Normal(100.0, 1.0)), graphinit=false)

## 

eo = [:x1; :x0; :l1]
tree = buildTreeReset!(fg, eo)

stuff = solveCliq!(fg, tree, :x1)

Produces error:

ERROR: KeyError: key :upMsg not found
Stacktrace:
  [1] getindex
    @ ./dict.jl:482 [inlined]
  [2] get_prop
    @ ~/.julia/packages/MetaGraphs/SUjFO/src/MetaGraphs.jl:256 [inlined]
  [3] getMsgUpChannel
    @ ~/.julia/dev/IncrementalInference/src/TreeMessageAccessors.jl:63 [inlined]
  [4] putBeliefMessageUp!(tree::MetaBayesTree, edge::LightGraphs.SimpleGraphs.SimpleEdge{Int64}, beliefMsg::LikelihoodMessage{IncrementalInference.NonparametricMessage})
    @ IncrementalInference ~/.julia/dev/IncrementalInference/src/TreeMessageAccessors.jl:72
  [5] postUpSolve_StateMachine(csmc::CliqStateMachineContainer{BayesTreeNodeData, LightDFG{SolverParams, DFGVariable, DFGFactor}, LightDFG{SolverParams, DFGVariable, DFGFactor}, MetaBayesTree})
    @ IncrementalInference ~/.julia/dev/IncrementalInference/src/CliqueStateMachine.jl:437
  [6] (::StateMachine{CliqStateMachineContainer})(userdata::CliqStateMachineContainer{BayesTreeNodeData, LightDFG{SolverParams, DFGVariable, DFGFactor}, LightDFG{SolverParams, DFGVariable, DFGFactor}, MetaBayesTree}, timeout::Nothing; pollinterval::Float64, breakafter::Function, verbose::Bool, verbosefid::Base.TTY, verboseXtra::IncrementalInference.CliqStatus, iterlimit::Int64, injectDelayBefore::Nothing, recordhistory::Bool, housekeeping_cb::IncrementalInference.var"#379#381"{IncrementalInference.TreeClique})
    @ FunctionalStateMachine ~/.julia/packages/FunctionalStateMachine/2JZFG/src/StateMachine.jl:82
  [7] initStartCliqStateMachine!(dfg::LightDFG{SolverParams, DFGVariable, DFGFactor}, tree::MetaBayesTree, cliq::IncrementalInference.TreeClique, timeout::Nothing; oldcliqdata::BayesTreeNodeData, verbose::Bool, verbosefid::Base.TTY, drawtree::Bool, show::Bool, incremental::Bool, limititers::Int64, upsolve::Bool, downsolve::Bool, recordhistory::Bool, delay::Bool, logger::Base.CoreLogging.SimpleLogger, solve_progressbar::Nothing, algorithm::Symbol)
    @ IncrementalInference ~/.julia/dev/IncrementalInference/src/CliqueStateMachine.jl:63
  [8] tryCliqStateMachineSolve!(dfg::LightDFG{SolverParams, DFGVariable, DFGFactor}, treel::MetaBayesTree, cliqKey::Int64, timeout::Nothing; oldtree::MetaBayesTree, verbose::Bool, verbosefid::Base.TTY, drawtree::Bool, limititers::Int64, downsolve::Bool, incremental::Bool, delaycliqs::Vector{Symbol}, recordcliqs::Vector{Symbol}, solve_progressbar::Nothing, algorithm::Symbol)
    @ IncrementalInference ~/.julia/dev/IncrementalInference/src/SolverAPI.jl:110
  [9] solveCliq!(dfgl::LightDFG{SolverParams, DFGVariable, DFGFactor}, tree::MetaBayesTree, cliqid::Symbol; verbose::Bool, recordcliq::Bool, async::Bool)
    @ IncrementalInference ~/.julia/dev/IncrementalInference/src/SolverAPI.jl:450
 [10] solveCliq!(dfgl::LightDFG{SolverParams, DFGVariable, DFGFactor}, tree::MetaBayesTree, cliqid::Symbol)
    @ IncrementalInference ~/.julia/dev/IncrementalInference/src/SolverAPI.jl:437
 [11] top-level scope
    @ REPL[6]:1

[dehann]

Hi @Affie , would you perhaps be able check quick if this is an easy fix please? Might take me a bit longer to trace how the messages work on the new tree.

I just added solveCliq! to the tests (actually part of follow on to #1051, in #1167) here:
5b9e314#diff-914efbf7c305811775c8fd16ce0c861641210a576ae8d7de5933b1dcdd7f4ba2R101