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https://issues.apache.org/jira/browse/ZOOKEEPER-480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flavio Paiva Junqueira updated ZOOKEEPER-480:
---------------------------------------------
Attachment: ZOOKEEPER-480.patch
Small modification to port assignment in the test, re-running to make sure that
still passes all tests.
> FLE should perform leader check when node is not leading and add vote of
> follower
> ---------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-480
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-480
> Project: Zookeeper
> Issue Type: Bug
> Affects Versions: 3.2.0
> Reporter: Flavio Paiva Junqueira
> Assignee: Flavio Paiva Junqueira
> Fix For: 3.2.1, 3.3.0
>
> Attachments: ZOOKEEPER-480-3.2branch.patch, ZOOKEEPER-480.patch,
> ZOOKEEPER-480.patch, ZOOKEEPER-480.patch, ZOOKEEPER-480.patch
>
>
> As a server may join leader election while others have already elected a
> leader, it is necessary that a server handles some special cases of leader
> election when notifications are from servers that are either LEADING or
> FOLLOWING. In such special cases, we check if we have received a message from
> the leader to declare a leader elected. This check does not consider the case
> that the process performing the check might be a recently elected leader, and
> consequently the check fails.
> This patch also adds a new case, which corresponds to adding a vote to
> recvset when the notification is from a process LEADING or FOLLOWING. This
> fixes the case raised in ZOOKEEPER-475.
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