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https://issues.apache.org/jira/browse/COLLECTIONS-111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Yandell closed COLLECTIONS-111.
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Resolution: Cannot Reproduce
As per my previous investigation, closing this as Cannot Reproduce.
> IteratorChain skips over elements in iterator
> ---------------------------------------------
>
> Key: COLLECTIONS-111
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-111
> Project: Commons Collections
> Issue Type: Bug
> Components: Iterator
> Affects Versions: 3.1
> Environment: Operating System: Windows XP
> Platform: PC
> Reporter: Jonathan Giles
> Fix For: 3.3
>
>
> Hi there,
> When using the IteratorChain class to add multiple iterators, it appears that
> using itChain.hasNext() and itChain.next() skips a number of elements in the
> iterator at each step.
> Given a single iterator of 7 elements, and using the following code:
> private IteratorChain buildIterator() {
> // this iterator contains the children of the current object only
> Iterator it = getChildren(p);
>
> // we use an IteratorChain to add multiple iterators together without the
> overhead of copying
> IteratorChain itChain = new IteratorChain(it);
> return itChain;
> }
> and then simply
> IteratorChain it = treeModel.getAllTreeNodes(obj);
>
> // FIXME this only prints one or two of the results, which is a bug!
> while (it.hasNext())
> System.out.println(": " + it.next().getClass());
> I put in 7 elements, but only get 2 out - the 2nd and the last elements. It
> appears that through my debugging that the nextClause variable is updated even
> when the hasNext() function is called.
> Also, if I put 7 system.out.println statements, all elements are printed as
> normal.
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