error: TkExtra (instance)

[Deva Seetharam]

hi

i installed swarm on a debian linux machine. when i try to run the sample
app javaheatbugs as

javaswarm StartHeatBugs, i am getting the error message:

error: TkExtra (instance)

i dont understand what is going on. how to fix this?

thanks
Deva Seetharam

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