When interacting with the UI over multiple threads, the UiInternals class sometimes throws ConcurrentModificationExceptions. These even occur within the access ...
So I guess nodes is a plain HashSet which will throw. If it is not big, I'd copy it for from() and then freely delete from the original. In addition, I'd create this config subject with toSynchronized ...
The next time a Java install goes awry, see if one of these fixes gets you back on track. It seems that more and more Web applications are requiring Java ...
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