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java.util.ConcurrentModificationException: null	at java.util.Hashtable$Enumerator.next(Hashtable.java:1367)	at aQute.bnd.osgi.Processor.keySet(Processor.java:2237)	at aQute.bnd.osgi.Processor.iterator(Processor.java:2210)	at aQute.bnd.osgi.Processor.getProperty(Processor.java:1284)	at aQute.bnd.osgi.Processor.mergeProperties(Processor.java:2551)	at aQute.bnd.osgi.Processor.mergeProperties(Processor.java:2546)	at aQute.bnd.osgi.Processor.getMergedParameters(Processor.java:2562)	at aQute.bnd.build.Workspace.addExtensions(Workspace.java:638)	at aQute.bnd.osgi.Processor.getPlugins(Processor.java:521)	at aQute.bnd.osgi.Processor.getPlugins(Processor.java:465)	at bndtools.central.WorkspaceRepositoryChangeDetector$1.run(WorkspaceRepositoryChangeDetector.java:130)	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)