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https://issues.apache.org/jira/browse/HBASE-5733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13250835#comment-13250835
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Uma Maheswara Rao G commented on HBASE-5733:
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When we can not get the children due to ZK problem, we may not be able to mark
as failover as there is no nodes.
In-fact currently it will throw NPE. Do we need to shutdown the master in this
case? or we can retry?
> AssignmentManager#processDeadServersAndRegionsInTransition can fail with NPE.
> -----------------------------------------------------------------------------
>
> Key: HBASE-5733
> URL: https://issues.apache.org/jira/browse/HBASE-5733
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 0.96.0
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
>
> Found while going through the code...
> AssignmentManager#processDeadServersAndRegionsInTransition can fail with NPE
> as this is directly iterating the nodes from
> listChildrenAndWatchForNewChildren with-out checking for null.
> Here also we need to handle with null check like other places.
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