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https://issues.apache.org/jira/browse/IOTDB-303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jialin Qiao closed IOTDB-303.
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Resolution: Fixed
> Lost users information when upgrading 0.8.x to 0.9.0
> ----------------------------------------------------
>
> Key: IOTDB-303
> URL: https://issues.apache.org/jira/browse/IOTDB-303
> Project: Apache IoTDB
> Issue Type: Bug
> Reporter: Jialin Qiao
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> If creating other users in IoTDB, the upgrade from 0.8.x to 0.9.0 will lost
> users except "root".
>
> In other words, the data/system/user/*.profile is not compatible between
> 0.8.x and 0.9.0. Currently, we remove all *.profile and create a new root
> user with password root.
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