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From "Oliver Heger (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CONFIGURATION-426) ConcurrentModificationException is thrown from CompositeConfiguration.getList
Date Mon, 01 Nov 2010 14:55:26 GMT

    [ https://issues.apache.org/jira/browse/CONFIGURATION-426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926997#action_12926997
] 

Oliver Heger commented on CONFIGURATION-426:
--------------------------------------------

Could you please provide some more information:
* A short code fragment how the configuration object is created and accessed
* Does the exception happen all the time or occasionally?
* Which version of Commons Configuration do you use?

> ConcurrentModificationException  is thrown from CompositeConfiguration.getList
> ------------------------------------------------------------------------------
>
>                 Key: CONFIGURATION-426
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-426
>             Project: Commons Configuration
>          Issue Type: Bug
>          Components: Build
>            Reporter: Tamir Lahav
>
> ConcurrentModificationException  is thrown from CompositeConfiguration.getList although
the object is used as "read only". 
> Stack trace:
> java.util.ConcurrentModificationException
>     at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:632)
>     at java.util.LinkedList$ListItr.next(LinkedList.java:567)
>     at
> org.apache.commons.configuration.CompositeConfiguration.getList(CompositeConfiguration.java:294)
>     at
> org.apache.commons.configuration.AbstractConfiguration.getList(AbstractConfiguration.java:1108)

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