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java.util.ConcurrentModificationException: 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:787)	at java.util.HashMap$EntryIterator.next(HashMap.java:829)	at java.util.HashMap$EntryIterator.next(HashMap.java:827)	at oracle.ideimpl.controls.SwitchablePanel.getTabPageForComponent(SwitchablePanel.java:556)	at oracle.ideimpl.controls.FlatTabbedWindow.getTabPageForComponent(FlatTabbedWindow.java:304)	at oracle.ideimpl.log.TabbedPage.getTabPageForLogPage(TabbedPage.java:238)	at oracle.ideimpl.log.TabbedLogManager.getMsgPage(TabbedLogManager.java:100)	at oracle.toplink.addin.log.POJOGenerationLoggingAdapter.updateTask(POJOGenerationLoggingAdapter.java:42)	at oracle.toplink.addin.mappingcreation.MappingCreatorImpl.fireTaskUpdated(MappingCreatorImpl.java:1102)	at oracle.toplink.addin.mappingcreation.MappingCreatorImpl.generateMappedDescriptorsForTables(MappingCreatorImpl.java:269)	at oracle.toplink.addin.mappingcreation.MappingCreatorImpl.generateMappedDescriptorsForTables(MappingCreatorImpl.java:206)	at oracle.toplink.addin.wizard.jobgeneration.JobWizard$1.construct(JobWizard.java:401)	at oracle.ide.util.SwingWorker$1.run(SwingWorker.java:119)	at java.lang.Thread.run(Thread.java:595)