Hi,


I tried to use the newly-supported RocksDB backend (Flink 1.1.4) on my Windows 
laptop.



However, it is not creating any state and is throwing NPE while trying to call:



org.apache.flink.streaming.util.HDFSCopyFromLocal$1.run(HDFSCopyFromLocal.java:47)



which eventually gets down to not finding Hadoop Winutils.



I am not using an hdfs path....



String statepath = parameterTool.get("statepath", 
"file:///c:/temp/flink/checkpoints<file:///c:\temp\flink\checkpoints>");

env.setStateBackend(new RocksDBStateBackend(statepath));



I notice that in v1.2.0 the async checkpoint mode has been removed

(https://issues.apache.org/jira/browse/FLINK-4340)



In the interim is there any hint to using RocksDB on Windows, or should I just 
revert to File for my playground?



Cheers

Dave Torok

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