[Tinyos-help] java.lang.NoClassDefFoundError: net/tinyos/tools/Listen

[xiaowei]

Hi, I am trying to run the java Listen tool as shown in lesson 6 of the
tutorial. But I got the following error message. Can somebody help me out?

Administrator at xiaowei /opt/tinyos-1.x/tools/java
$ java net.tinyos.tools.Listen
Exception in thread "main" java.lang.NoClassDefFoundError:
net/tinyos/tools/Listen


Thanks.

Xiaowei
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