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https://issues.apache.org/jira/browse/COLLECTIONS-701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17942178#comment-17942178
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Gary D. Gregory commented on COLLECTIONS-701:
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Hi [~volosied],
Do you have a reproducer I can run on top of git master?
> StackOverflowError in SetUniqueList.add() when it receives itself
> -----------------------------------------------------------------
>
> Key: COLLECTIONS-701
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-701
> Project: Commons Collections
> Issue Type: Bug
> Components: Collection
> Affects Versions: 3.2.2
> Reporter: Shin Hong
> Priority: Critical
> Fix For: 4.3
>
>
> Hi.
> We found that the following test case fails with a StackOverFlowError
> exception:
> {code:java}
> test() {
> SetUniqueList l = new SetUniqueList(new LinkedList<Object>()) ;
> l.add((Object) l) ;
> }{code}
> The add() execution traps into an infinite recursion which crashes the
> program.
> From the stack trace, we found that the infinite recursion occurs
> at AbstractList.hashCode() since it invokes hashCode() of each of its
> elements.
>
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