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I am working on CentOs 7 and I have built ambari server from source by cahanging all python 2.6 yo 2.7 I could built them sucessfully except shell. When I am trying to configure server at step 3. while registering the server it fails. There is no visible error. Please help PFB the log on UI

`Registration log for al1.iitkgp.ernet.in

==========================

Copying common functions script...

Command start time 2014-10-13 13:03:24

scp /usr/lib/python2.7/site-packages/ambari_commons host=al1.iitkgp.ernet.in, exitcode=0 Command end time 2014-10-13 13:03:24

==========================

Copying OS type check script...

Command start time 2014-10-13 13:03:24

scp /usr/lib/python2.7/site-packages/ambari_server/os_check_type.py host=al1.iitkgp.ernet.in, exitcode=0 Command end time 2014-10-13 13:03:25

==========================

Running OS type check...

Command start time 2014-10-13 13:03:25 Cluster primary/cluster OS type is redhat7 and local/current OS type is redhat7

Connection to al1.iitkgp.ernet.in closed. SSH command execution finished host=al1.iitkgp.ernet.in, exitcode=0 Command end time 2014-10-13 13:03:26

==========================

Checking 'sudo' package on remote host...

Command start time 2014-10-13 13:03:26 sudo-1.8.6p7-11.el7.x86_64

Connection to al1.iitkgp.ernet.in closed. SSH command execution finished host=al1.iitkgp.ernet.in, exitcode=0 Command end time 2014-10-13 13:03:28

==========================

Copying repo file to 'tmp' folder...

Command start time 2014-10-13 13:03:28

scp /etc/yum.repos.d/ambari.repo host=al1.iitkgp.ernet.in, exitcode=0 Command end time 2014-10-13 13:03:28

==========================

Moving file to repo dir...

Command start time 2014-10-13 13:03:28

Connection to al1.iitkgp.ernet.in closed. SSH command execution finished host=al1.iitkgp.ernet.in, exitcode=0 Command end time 2014-10-13 13:03:29

==========================

Copying setup script file...

Command start time 2014-10-13 13:03:29

scp /usr/lib/python2.7/site-packages/ambari_server/setupAgent.py host=al1.iitkgp.ernet.in, exitcode=0 Command end time 2014-10-13 13:03:30

==========================

Running setup agent script...

Command start time 2014-10-13 13:03:30 Verifying Python version compatibility... Using python /usr/bin/python2.7 ambari-agent is not running. No PID found at /var/run/ambari-agent/ambari-agent.pid Restarting ambari-agent Verifying Python version compatibility... Using python /usr/bin/python2.7 ambari-agent is not running. No PID found at /var/run/ambari-agent/ambari-agent.pid Verifying Python version compatibility... Using python /usr/bin/python2.7 Checking for previously running Ambari Agent... Starting ambari-agent Verifying ambari-agent process status... Ambari Agent successfully started Agent PID at: /var/run/ambari-agent/ambari-agent.pid Agent out at: /var/log/ambari-agent/ambari-agent.out Agent log at: /var/log/ambari-agent/ambari-agent.log (' TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 device memory 0xe7100000-e7200000

lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10 loop txqueuelen 0 (Local Loopback) RX packets 3809 bytes 1003368 (979.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 3809 bytes 1003368 (979.8 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

virbr0: flags=4099 mtu 1500 ether f2:1d:75:6c:3c:39 txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

', None)

Connection to al1.iitkgp.ernet.in closed. SSH command execution finished host=al1.iitkgp.ernet.in, exitcode=0 Command end time 2014-10-13 13:03:35

Registering with the server... Registration with the server failed.`

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It was my bad. I depended on UI log of Ambari. But the actual log can be found at var/log/ambari-agent/ambari-agent.log. I have looked in to the log file and found that CentOS 7 is nonsupported OS. hence I installed CentOs6.5 and installed HDP2.1. successfully (therewhere some glitches, but rectified some how).

Thanks Sree

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