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https://issues.apache.org/jira/browse/RATIS-1446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17451535#comment-17451535
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Tsz-wo Sze commented on RATIS-1446:
-----------------------------------
[~Nibiruxu], thanks for filing this JIRA. Would you like to submit a pull
request?
> should avoid NPE in yieldLeaderToHigherPriorityPeer
> ---------------------------------------------------
>
> Key: RATIS-1446
> URL: https://issues.apache.org/jira/browse/RATIS-1446
> Project: Ratis
> Issue Type: Bug
> Reporter: Xu Shao Hong
> Priority: Critical
> Attachments: npe-1
>
>
>
> {code:java}
> 1private void yieldLeaderToHigherPriorityPeer() {
> 2 if (!server.getInfo().isLeader()) {
> 3 return;
> 4 }
> 5 final RaftConfigurationImpl conf = server.getRaftConf();
> 6 int leaderPriority = conf.getPeer(server.getId()).getPriority(); {code}
> During my test in k8s env, I met the corner case where the ozone progress met
> NPE and was shut down. The log shows it is thrown at line 6. It is possible
> in some cases configuration may not include the server itself. The case
> happened when bootstrapping the second SCM. Thus there should have a null
> check before getPriority.
>
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