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From "Peeyush Bishnoi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FALCON-1165) Falcon restart failed, if defined service in cluster entity is unreachable
Date Wed, 13 May 2015 08:56:59 GMT

    [ https://issues.apache.org/jira/browse/FALCON-1165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14541622#comment-14541622
] 

Peeyush Bishnoi commented on FALCON-1165:
-----------------------------------------

Discussed the issue with [~venkatnrangan] and [~ajayyadava]. We agreed to log the error message
from onReload method, if any exception occurred when Falcon try to reload registered cluster
entities on source cluster in class SharedLibraryHostingService. Through this, Falcon will
be restarted successfully on source cluster.

Updated patch is attached, please review.

> Falcon restart failed, if defined service in cluster entity is unreachable
> --------------------------------------------------------------------------
>
>                 Key: FALCON-1165
>                 URL: https://issues.apache.org/jira/browse/FALCON-1165
>             Project: Falcon
>          Issue Type: Bug
>          Components: oozie
>            Reporter: Peeyush Bishnoi
>            Assignee: Peeyush Bishnoi
>             Fix For: 0.7
>
>         Attachments: FALCON-1165.patch, FALCON-1165.v1.patch, FALCON-1165.v2.patch
>
>
> Falcon fail to restart, if any service in the cluster entity is not reachable or down.
> For example, if there are clusters X, Y, Z. In cluster X, submit cluster entities which
points to services of cluster Y & Z. Execute some replication jobs from cluster X to Y
and even to cluster Z as well. If after certain duration, cluster Z HDFS service is down due
to maintenance activity and at the same time we require to restart Falcon service on cluster
X due to some reason, then Falcon will fail to restart on cluster X. 
> This issue has been reported internally at Hortonworks.



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