使用Nifi 1.6删除处理器时发出警告

Question

我最近在Centos 7上将测试环境升级到Nifi 1.6。我正在使用Nifi内部zookeeper版本运行三节点集群。如果我拖入新处理器然后删除它，我会在日志中获得以下堆栈跟踪。

WARN StandardStateManagerProvider Component with ID {} was removed from Nifi instance but failed to clear clustered state for the component.  
java.lang.IllegalArgumentException: Path must start with / character
   at org.apache.zookeeper.common.PathUtils.validationPath(PathUtils.java:51)
   at org.apache.zookeeper.Zookeeper.setData(ZooKeeper.java:1257).