Error installing HAWQ in Ambari 2.2.2

[#1]

Tried installing HAWQ in HDP 2.4 Sandbox environment. Upgraded the Ambari to 2.2.2 and then followed the instruction from the below link :

http://hdb.docs.pivotal.io/20/install/install-ambari.html

Since the port 5432 which is the default port of HAWQ was already used in Sandbox , I check the available port and assigned port number 5433 for HAWQ Master Port.

When I am trying for install I got the below error where the HAWQ Master Start is getting error and not able to initiate the service.

[#2 · Accepted solution]

Further investigation of the error into the Hawq logs noticed that the HAWQ Master was trying to copy some folders and files in the folder /data/hawq/master , but since the folder was already populated with some files and folder , the process was expecting this folder to be empty, due to which the Master init failed.

So I backed up the content from the folder /data/hawq/master and emptied the folder. When I tried to install now through Ambari 2.2.2 , it went through and was able to successfully install the HAWQ Services in Ambari and both HAWQ and PXF Services were up and running.