@codingwangqi there is one build error in java9
```
drivers/etcd/src/main/java/org/apache/bookkeeper/metadata/etcd/EtcdBookieRegister.java:[165,24]
incompatible types: inference variable T has incompatible bounds
upper bounds: java.lang.Object
lower bounds: void
```
[ Full content available at: https://github.com/apache/bookkeeper/pull/1640 ]
This message was relayed via gitbox.apache.org for [email protected]
