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
$ f1 t! j2 \! H7 \- z0 pThere was an error in creating a Selector for method step in Class swarm.analysis.EZDistributionImpl.
swarm.analysis.EZDistributionImpl.step returns null
The process will be terminated.
3 B  h. H+ w* p- ]9 [+ G8 s4 _: }7 y(Tcl -eval couldn't read file "F:Swarm-2.2-java/lib/tcl8.4//word.tcl": no such file or directory
    while executing
& Y7 [7 ~& J) `. k% h# E$ o* V$ N"source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl"
6 y; g. a* u3 Wwhile evaluating: source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl
*** event raised for warning: WarningMessage
4 ]1 i2 g5 ]  P*** function: _i_ProbeMap__addProbe_(), file: /src/swarm/src/objectbase/ProbeMap.m, line: 606
Attempt to add null probe
*** execution continuing...
9 D2 q" ?1 i" V; |/ g6 t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~