Not able to upload files in hdfs

Hello Team,
I am trying to upload files in HDFS through hue but not able establish connection.

I have getting below error:

403 Client Error: Forbidden for url: http://localhost:50070/webhdfs/v1/tep5.txt.tmp?permission=0644&op=CREATE&user.name=hue&overwrite=false&doas=pjel

it seems that some permission issue. not able to resolve it. Can you please help for same.

curl o/p -

(base) [pjel@localhost conf]$ curl -i http://localhost:50070/webhdfs/v1/tep5.txt.tmp?permission=0644&op=CREATE&user.name=hue&overwrite=false&doas=pjel
[1] 25350
[2] 25351
[3] 25352
[4] 25353
bash: user.name=hue: command not found…
[2] Done op=CREATE
[4]+ Done overwrite=false
(base) [pjel@localhost conf]$ HTTP/1.1 400 Bad Request
Cache-Control: no-cache
Expires: Thu, 13 Feb 2020 13:14:07 GMT
Date: Thu, 13 Feb 2020 13:14:07 GMT
Pragma: no-cache
Expires: Thu, 13 Feb 2020 13:14:07 GMT
Date: Thu, 13 Feb 2020 13:14:07 GMT
Pragma: no-cache
Content-Type: application/json
Transfer-Encoding: chunked
Server: Jetty(6.1.26)

{“RemoteException”:{“exception”:“UnsupportedOperationException”,“javaClassName”:“java.lang.UnsupportedOperationException”,“message”:"op=NULL

What is the HDFS version?

I am using hadoop 2.7.3