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
0 ?* R$ K2 `2 _% M# fThere was an error in creating a Selector for method step in Class swarm.analysis.EZDistributionImpl.
: o1 Z) z! j+ A6 _swarm.analysis.EZDistributionImpl.step returns null
: A# k, ], u7 `. g, lThe process will be terminated.
& e4 H6 [0 G7 F/ m- Q(Tcl -eval couldn't read file "F:Swarm-2.2-java/lib/tcl8.4//word.tcl": no such file or directory
    while executing
  U+ T+ \0 p  ~0 T* s"source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl"
8 S# A' t# L+ x: e2 R9 C$ n9 }while evaluating: source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl
*** event raised for warning: WarningMessage
: i/ R: ^& x( k5 p0 H$ }" W( T7 p*** function: _i_ProbeMap__addProbe_(), file: /src/swarm/src/objectbase/ProbeMap.m, line: 606
Attempt to add null probe
*** execution continuing...
7 _+ t3 E9 ~; a) h- X: m5 g9 `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~