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https://issues.apache.org/jira/browse/IOTDB-904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jialin Qiao reassigned IOTDB-904:
---------------------------------
Assignee: Jialin Qiao
> NullPointerException in updating last cache
> -------------------------------------------
>
> Key: IOTDB-904
> URL: https://issues.apache.org/jira/browse/IOTDB-904
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Core/Engine
> Affects Versions: 0.10.0, 0.10.1
> Reporter: Jialin Qiao
> Assignee: Jialin Qiao
> Priority: Major
>
> Thread A creates a child node under a deviceMNode when insert.
>
> Thread B gets the child node of deviceMNode at the same time when update the
> last cache, B will get a null.
>
>
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