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https://issues.apache.org/jira/browse/RAMPART-161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nandana Mihindukulasooriya resolved RAMPART-161.
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Resolution: Fixed
Fixed in revision 654445.
> java.util.ConcurrentModificationException while a token is associated with a
> user when sevaral users are using a service
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: RAMPART-161
> URL: https://issues.apache.org/jira/browse/RAMPART-161
> Project: Rampart
> Issue Type: Bug
> Components: rampart-trust
> Reporter: Keith Godwin Chapman
> Assignee: Ruchith Udayanga Fernando
> Priority: Blocker
> Fix For: 1.4
>
>
> In the WSO2 Mashup Server [1] we use rampart to secure some backend services
> using UT. We ran a load test where a user logs in (the login service is
> secured via UT) and adds a user. When a user is added hes details are also
> added to the token store so that he can login too. When we ran the above
> scenario we got a java.util.ConcurrentModificationException. You can refer to
> the JIRA at [2]. The issue is that when reading the class SimpleTokenStore
> gets a iterator on a map and then when a user is added details are added to
> this map. When this happens concurrently the above issue occurs.
> [1] http://wso2.org/projects/mashup
> [2] https://wso2.org/jira/browse/MASHUP-789
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