Does anyone have some clue about it? I have updated the jdk, and still cannot
solve the problem. Thx advance for any info!!
> On 27 Jun 2018, at 12:23 AM, ZongtianHou <zongtian...@icloud.com> wrote:
>
> This is the log info: org.apache.hadoop.hdfs.server.datanode.DataNode: Failed
> to read expected encryption handshake from client at /127.0.0.1:53611.
> Perhaps the client is running an older version of Hadoop which does not
> support encryption
>
> I have two more questions here.
> 1 what the client mean, it mean the application running on hdfs, how does it
> have a encryption?
> 2 I have turn off the encryption about data transfer, rpc protection, http
> protection by setting properties of hadoop.rpc.protection,
> dfs.encrypt.data.transfer and dfs.http.policy as false, why there is still
> encryption?
>
> Any clue will be appreciated.
