Alteryx Designer Knowledge Base

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TDCB-3742: Error: Invalid Host or Post when connecting to HDFS

clarab
Alteryx
Alteryx
Created

Error: “Invalid Host or Port”

 

Environment Details

 

The Test button in the HDFS connection sends out the following request to determine if the host is valid.

[GET] /webhdfs/v1/?op=LISTSTATUS&user.name=user
 

  • Alteryx Designer
    • Version(s): 2021
  • Hadoop Distributed File System (HDFS)

 

If the response from the HDFS takes long, the connection will be dropped even though the server is reachable and the following error is displayed:
 

Invalid Host or Port
 
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Cause

 

The error happens when the response from HDFS takes more than 15 seconds to reply. TDCB-3742 has been logged to increase the time out or provide a configurable time out.



 

Resolution

 

As a workaround, if possible, please work with your IT team to improve the time to return a response for [GET] /webhdfs/v1/?op=LISTSTATUS&user.name=user from HDFS.


 

  

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