求问关于Swarm产生柱状图的问题 多谢大家了！！

mushroom89

各位好，我想请教一下，我想产生一个柱状图，但是在buildActions（）好像selector那有问题，说
! o% h. Q) {. b7 E, G9 Y' ]There was an error in creating a Selector for method step in Class swarm.analysis.EZDistributionImpl.
) x2 F# I" Z+ g- d1 o8 f, tswarm.analysis.EZDistributionImpl.step returns null
The process will be terminated.
4 n6 U% z& }3 K- [# m( A; |(Tcl -eval couldn't read file "F:Swarm-2.2-java/lib/tcl8.4//word.tcl": no such file or directory
; j. H! r% m% h7 ?3 D# S    while executing
$ ~5 x  x2 L9 m6 A/ u+ q+ S"source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl"
6 t: ]- t& r  L' b* Zwhile evaluating: source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl
2 C3 g0 C& U# T' o4 M' M*** event raised for warning: WarningMessage
" Y. H+ O8 N9 o( i- i' _*** function: _i_ProbeMap__addProbe_(), file: /src/swarm/src/objectbase/ProbeMap.m, line: 606
Attempt to add null probe
2 R% P4 J4 _; _*** execution continuing...
请问第一个参数应该是什么呢 我设的是ezdist（一个EZDistribution object），
请问是怎么回事呢？多谢大家了~