Zookeeper Smoke test failing when on the 9th step of Install, start and test ambari setup

[#1]

I get the following screen while installing because of the error

The installation has not completed because of the zookeeper failing to pass the smoke test thus halting the processes further and giving 100% complete and with warning error on the installation page I have attached the zookeeper.txt file which shows the error.

[#2]

@Neeraj Sabharwal

Yes i was able to read that from my laptop only the ones with node2 and node 3 were not accessible

[#3]

@Kunal Gaikwad That's the issue..

Whats the final resolution of the real problem?

[#4]

I did a lot of steps to be true, not sure which resolved it actually!

I'll list all that I did:

I installed knox manually, changed the firewall settings, checked if all port were accessible from all the nodes. From what I think changing the port number for fs.default.name from 50070 to 8020 resolved it.

[#5 · Accepted solution]

@Kunal Gaikwad

Failed connect to node3.dtitsupport247.net:50075; No route to host !!
Your hostnode3 is not reachable .. most probable issue wit the network setting routing tables.
- Verify the entries in your /etc/hosts
- Check the default gateway
- check the firewall is off
Just check that you didn't miss a step in the attached doc
Then retry !!

[#6]

@Geoffrey Shelton Okot

Yes, each of those steps have been followed the issues is still the same.

[#7]

@Kunal Gaikwad

I know it's a tough thing to ask but the error is a connection problem so go again through the check list. Additionally restart the NTP servers on the 3 hosts. Check for whitespace in node3.dtitsupport247.net config files

- /etc/hosts

- /etc/sysconfig/network

- /etc/sysconfig/network-scripts/eth*

- Disable TPH

Keep me posted

[#8]

@Geoffrey Shelton Okot

I have checked the configs I have seen it all fine except i was unable to navigate to http://node1.dtitsupport247.net:50070/webhdfs/ even locally so I checking for the Knox services, I could see the Knox gateway been installed and all the user and directories in place. But i did a yum install knox, changed the port from 50070 back to 8020 and check few config files also referring some related issues in the forum and restarted the cluster and bought up all the components up! Its working now! Finally!

[#9]

Thank you all! @Geoffrey Shelton Okot @Artem Ervits @Neeraj Sabharwal for the expert solutions here!