hazelcast/hazelcast — pull request #3468 by ajermakovics (2014-09-02 09:05:39+00:00)
Title: Fix for #3454 ISet iterator.remove() now throws UnsupportedOperationException

Backporting fix to maintenance branch.
The ISet iterator is now taken from a collection wrapped in `Collections.unmodifiableCollection`. Trying to remove items from it will result in UnsupportedOperationException.