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I haven't tried the mapr plugin, but here are some thoughts:

Sahara's error reporting is pretty bad... in my experience, the plugin
rarely logs the true cause of an error; you'll need to dig for it.
Configure your cluster to use a key so you can login to the nodes. You can
then login to the controller node and look in log files there. For a time
out error, it could be that a node couldn't access another node, or
couldn't access the outside world. In that case, it might be as simple as
ensuring your security groups are permissive enough.

On Wed, Oct 14, 2015 at 10:49 AM, varun bhatnagar <varun292006 at gmail.com>
wrote:

> Hi,
>
> I am having OpenStack Kilo single node setup and I am trying to launch
> Hadoop cluster using MapR plugin in Sahara.
>
> I am following the example mentioned in the below site:
>
>
> https://www.mapr.com/blog/tutorial-how-set-mapr-private-cloud-using-sahara-devstack#.Vg5ntfmqqko
>
> It starts off well but after certain time it reaches a point where the
> cluster status gets changed to "Configuring" and then after some time it
> runs into error due to timeout. Can anyone please help in successfully
> launching the cluster?
>
>
>
> *2015-10-14 16:28:37.869 30280 DEBUG sahara.context [-] Thread
> configure-sh-c1050100-1775-4654-93a8-05c2ba350864 failed with exception:
> 'Operation' timed out after 600 second(s)*
> *Error ID: e2f61330-2c84-482e-97d0-d3947a5e5f02 _wrapper
> /usr/lib/python2.7/site-packages/sahara/context.py:193*
> *2015-10-14 16:28:37.923 30280 ERROR sahara.service.ops [-] Error during
> operating on cluster LaunchCluster (reason: An error occurred in thread
> 'configure-sh-c1050100-1775-4654-93a8-05c2ba350864': 'Operation' timed out
> after 600 second(s)*
> *Error ID: e2f61330-2c84-482e-97d0-d3947a5e5f02*
> *Error ID: f533bba0-afa8-4c99-bb73-a13f8c47d4a9)*
> *2015-10-14 16:28:38.572 30280 INFO sahara.utils.general [-] Cluster
> status has been changed: id=2ee0f93f-195b-4e53-a6be-241bdeff5958, New
> status=Error*
> *2015-10-14 16:28:39.576 30280 DEBUG keystonemiddleware.auth_token [-]
> Removing headers from request environment:
> X-Service-Catalog,X-Identity-Status,X-Service-Identity-Status,X-Roles,X-Service-Roles,X-Domain-Name,X-Service-Domain-Name,X-Project-Id,X-Service-Project-Id,X-Project-Domain-Name,X-Service-Project-Domain-Name,X-User-Id,X-Service-User-Id,X-User-Name,X-Service-User-Name,X-Project-Name,X-Service-Project-Name,X-User-Domain-Id,X-Service-User-Domain-Id,X-Domain-Id,X-Service-Domain-Id,X-User-Domain-Name,X-Service-User-Domain-Name,X-Project-Domain-Id,X-Service-Project-Domain-Id,X-Role,X-User,X-Tenant-Name,X-Tenant-Id,X-Tenant
> _remove_auth_headers
> /usr/lib/python2.7/site-packages/keystonemiddleware/auth_token/__init__.py:672*
>
> BR,
> Varun
>
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