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https://issues.apache.org/jira/browse/RATIS-1749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sammi Chen resolved RATIS-1749.
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Resolution: Resolved
> GroupMismatchException thrown when setConfiguration
> ---------------------------------------------------
>
> Key: RATIS-1749
> URL: https://issues.apache.org/jira/browse/RATIS-1749
> Project: Ratis
> Issue Type: Bug
> Components: client, raft-group
> Affects Versions: 2.4.0
> Reporter: Song Ziyang
> Priority: Major
> Attachments: error_stack.log
>
>
> GroupMismatchException occurs when I'm trying to start and add a new server
> to the group.
> Reproduce steps:
> # call CompletableFuture.supplyAsync(admin().setConfiguration(newGroup))
> # call groupManagementApi(newServer).add(group)
> GroupMismatchException happens time to time, as in the attched log.
> I think the setConfiguration here may route the request to the NEW server to
> be added, since it does not explicitly assign a serverId in request.
> setConfiguration arrives before addNewGroup, so GroupMismatchException
> happens.
> [1][https://github.com/apache/ratis/blob/f2447cfe0b94ad5f9e72dff1623fa90b6f42f4f5/ratis-client/src/main/java/org/apache/ratis/client/api/AdminApi.java#L39]
>
>
>
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