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
$ s2 j  C$ c# n* X) I& m) a+ UThere 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.
* y' M* ?0 K  I& [" W(Tcl -eval couldn't read file "F:Swarm-2.2-java/lib/tcl8.4//word.tcl": no such file or directory
    while executing
2 w/ Y# ~2 `" D8 s# w) H9 G) P- B"source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl"
while evaluating: source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl
*** event raised for warning: WarningMessage
*** function: _i_ProbeMap__addProbe_(), file: /src/swarm/src/objectbase/ProbeMap.m, line: 606
0 p; B3 N# s) u3 Y3 pAttempt to add null probe
9 z+ i) u8 ?' ~- ~) _. u. b2 N*** execution continuing...
+ U$ u9 z8 W/ ?2 V, @9 B5 O; m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~