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Posted to issues@commons.apache.org by "Gary Gregory (JIRA)" <ji...@apache.org> on 2018/11/23 07:31:00 UTC
[jira] [Updated] (COLLECTIONS-701) StackOverflowError in
SetUniqueList.add() when it receives itself
[ https://issues.apache.org/jira/browse/COLLECTIONS-701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gary Gregory updated COLLECTIONS-701:
-------------------------------------
Summary: StackOverflowError in SetUniqueList.add() when it receives itself (was: SetUniqueList.add() crashes due to infinite recursion when it receives itself)
> 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
>
> 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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