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
7 s! }! U3 S( d6 T) m8 CThere was an error in creating a Selector for method step in Class swarm.analysis.EZDistributionImpl.
! [# z) e" N7 k1 S6 ], f9 _9 sswarm.analysis.EZDistributionImpl.step returns null
$ d3 C  F" A7 f/ B. w6 v1 {: CThe process will be terminated.
4 O) P5 @( j) g(Tcl -eval couldn't read file "F:Swarm-2.2-java/lib/tcl8.4//word.tcl": no such file or directory
8 O1 R+ `1 n+ e, ]4 s& ^3 M    while executing
: t- K5 L8 \( h! k) S$ m8 W- Y, @"source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl"
while evaluating: source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl
: e+ @: _& t2 A4 B/ W2 @/ X+ _*** event raised for warning: WarningMessage
*** function: _i_ProbeMap__addProbe_(), file: /src/swarm/src/objectbase/ProbeMap.m, line: 606
Attempt to add null probe
" s' T; M, E5 T! R7 U*** 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~