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https://issues.apache.org/jira/browse/COLLECTIONS-524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13991229#comment-13991229
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Thomas Neidhart commented on COLLECTIONS-524:
---------------------------------------------
Fixed in r1592910.
The method will now correctly remove duplicates.
Thanks for the report!
> ListOrderedSet can have duplicates
> ----------------------------------
>
> Key: COLLECTIONS-524
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-524
> Project: Commons Collections
> Issue Type: Bug
> Affects Versions: 3.2.1, 4.0
> Environment: tomcat 7, linux
> Reporter: J Goodfellow
> Fix For: 4.1
>
>
> The static method,
> org.apache.commons.collections.set.ListOrderedSet.decorate(List list), has a
> comment "If the list contains duplicates, the duplicates are removed". It
> does not remove duplicates and will leave you in an inconsistent state if
> your list has duplicates. (i.e. the .size() result is smaller than the
> number of iterations from the iterator)
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