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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) G6 x4 K7 L" B! ~; g 
There was an error in creating a Selector for method step in Class swarm.analysis.EZDistributionImpl. 
7 `6 y2 I! e8 i3 X' I. qswarm.analysis.EZDistributionImpl.step returns null; T0 u7 O/ q7 l$ z% E( h/ ^ 
The process will be terminated. 
7 ?8 N) j6 z. z2 u: e8 l(Tcl -eval  couldn't read file "F:Swarm-2.2-java/lib/tcl8.4//word.tcl": no such file or directory: O! Q- R3 s1 H. ], N 
    while executing3 T( n+ Z( |: k. N4 u  k  [2 H 
"source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl" 
  K, `! s; Z9 i% owhile evaluating: source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl' B1 T- \4 V7 K& ]; Y 
*** event raised for warning: WarningMessage 
9 G8 x! a9 \4 A! n& V) `( N*** function: _i_ProbeMap__addProbe_(), file: /src/swarm/src/objectbase/ProbeMap.m, line: 6067 J9 f/ b; i7 L  T+ \, T 
Attempt to add null probe" R( }2 Y- d0 H( R0 d: ?& p 
*** execution continuing...' D: T- j" M: i 
请问第一个参数应该是什么呢 我设的是ezdist(一个EZDistribution object), 
" {$ H/ V% }! ]8 j' y+ b# F请问是怎么回事呢?多谢大家了~ |   
 
 
 
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