本地测试，jstorm提交jar，
jstorm jar preliminary.demo-1.0-SNAPSHOT.jar com.alibaba.middleware.race.jstorm.RaceTopology
提示错误：Error: Could not find or load main class com.alibaba.middleware.race.jstorm.RaceT...
问题
在 Travis CI 编译的时候出现
Error: Could not find or load main class org.gradle.wrapper.GradleWrapperMain
错误。
详细的错误日志为：
Error: Could not find or load main class org.gradle.wrapper.GradleWrapperMainThe com...
