Not exactly a bug, for for those who have been using Claimable in earlier versions of OZ (for the purpose of transferOwnership followed by claimOwnership) - what are the options in v2.0.0?

Relying solely on Ownable.transferOwnership lacks a safety mechanism for accidentally transferring the ownership to an incorrect address.

At present, the only alternative that I see is copying `Cla

问题描述：关于工程中某个工作流节点单独执行不报错，保存工作流时提示：NotClassDefFoundError：Cloud not initialize class dispatch.Http$

问题原因：linkis-publish微服务关于netty-3.6.2.Final.jar升级包缺失

问题解决：将升级包上传重启linkis-publish微服务即可。

Hello-world kind of notebook would be great to integrate in Snorkel, so you don't come in an empty Zeppelin.

As discussed with @a-pagano it could also help people know where to put their data