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Date: Sat, 19 Jun 2010 15:42:22 -0400 (EDT)
From: "Henri Yandell (JIRA)" <jira@apache.org>
To: issues@commons.apache.org
Subject: [jira] Closed: (COLLECTIONS-346) SetUniqueList.decorate throws
 exceptions that is not documented
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     [ https://issues.apache.org/jira/browse/COLLECTIONS-346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henri Yandell closed COLLECTIONS-346.
-------------------------------------

    Resolution: Won't Fix

Agreed, but it should be javadoc'd in java.util.Arrays.asList as that's the location that is throwing the UnsupportedOperationException.

SetUniqueList.decorate() isn't the one making the decision here; the coder is as they've chosen to pass in an unmodifiable list (though Arrays.asList doesn't make that clear, at least in the 1.5 javadoc).

Resolving as nothing for us to do.

> SetUniqueList.decorate throws exceptions that is not documented
> ---------------------------------------------------------------
>
>                 Key: COLLECTIONS-346
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-346
>             Project: Commons Collections
>          Issue Type: Bug
>          Components: List
>    Affects Versions: 3.2
>            Reporter: Jimmy Shi
>
> public static void main(String[] args) {
>         List<String> testList=Arrays.asList("a","b","c","a","b","c","e");
>         SetUniqueList decoratedList = SetUniqueList.decorate(testList);
>         System.out.println(decoratedList);
>     }
>  
> throws below exception:
> Exception in thread "main" java.lang.UnsupportedOperationException
> 	at java.util.AbstractList.remove(AbstractList.java:172)
> 	at java.util.AbstractList$Itr.remove(AbstractList.java:437)
> 	at java.util.AbstractList.removeRange(AbstractList.java:662)
> 	at java.util.AbstractList.clear(AbstractList.java:258)
> 	at org.apache.commons.collections.list.SetUniqueList.decorate(SetUniqueList.java:80)
> caused by the list to decorate is unmodifiable.

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