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http://jira.amdatu.org/jira/browse/AMDATU-299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=10982#comment-10982
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Ivo Ladage - van Doorn commented on AMDATU-299:
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This issue has been resolved by fixing
http://jira.amdatu.org/jira/browse/AMDATU-311
It was caused by a concurrency issue in useradmin cassandra store, not by
cassandra's eventual consistency stuff.
> Create/remove user sometimes fails (concurrency issue?)
> -------------------------------------------------------
>
> Key: AMDATU-299
> URL: http://jira.amdatu.org/jira/browse/AMDATU-299
> Project: Amdatu
> Issue Type: Bug
> Components: Amdatu OpenSocial
> Affects Versions: 0.1.0
> Reporter: Ivo Ladage - van Doorn
> Assignee: Ivo Ladage - van Doorn
> Fix For: 0.1.1
>
>
> When you run the UserAdmin JMeter build plan (available in /etc directory),
> about 0,13% of the REST calls to remove a group fails with the error below.
> [2011-02-11 11:01:20] ERROR:
> [org.ops4j.pax.useradmin.service.internal.UserAdminImpl] NotFoundException()
> Context information:
> keyspace = 'Default'
> columnfamily = 'Role'
> rowkey = 'group_jmetergroup4846'
> supercolumn = 'Members'
> column = 'basic'
> Context information:
> keyspace = 'Default'
> columnfamily = 'Role'
> rowkey = 'group_jmetergroup4846'
> supercolumn = 'Members'
> column = 'basic'
> This may be a concurrency issue, but Cassandra's "eventual consistency" could
> also be the problem.
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