Patch Set 3: I would prefer that you didn't submit this; No score

Double-clicking the Staged icon the first time gave me an error much little information, but the error log have this

Caused by: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
at java.util.HashMap$KeyIterator.next(HashMap.java:828)
at org.eclipse.egit.ui.internal.staging.StagingView.getNodeChildren(StagingView.java:525)
at org.eclipse.egit.ui.internal.staging.StagingView.access$4(StagingView.java:516)
at org.eclipse.egit.ui.internal.staging.StagingView$2.getChildren(StagingView.java:200)
at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1352)