错误信息：
FAILURE: Build failed with an exception.
* What went wrong:
Could not resolve all dependencies for configuration ':databus2-relay:databus2-event-producer-mock:compile'.
> Artifact 'com.oracle:ojdbc6:11.2.0.2.0@jar' not found.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED
Total time: 21 mins 56.197 secs
解决方法：将ojdbc6.jar重命名为：ojdbc6-11.2.0.2.0.jar ，这个坑总算踩过，然后就编译成功了：
