Random ConcurrentModificationException occur when closing Central right after it opens :

java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819)
at java.util.ArrayList$Itr.next(ArrayList.java:791)
at org.jboss.tools.central.internal.discovery.wizards.ProxyWizardManager.notifyListeners(ProxyWizardManager.java:260)
at org.jboss.tools.central.internal.discovery.wizards.ProxyWizardManager.loadWizards(ProxyWizardManager.java:105)
at org.jboss.tools.central.internal.discovery.wizards.ProxyWizardUpdateJob.run(ProxyWizardUpdateJob.java:44)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)